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Samsung constructed Tower 2

2009-09-16T22:32:00.000-07:00

Samsung constructed Tower 2 of the Petronas Twin Towers in Malaysia, the world's tallest twin buildings.

Samsung, as a subcontractor, constructed the Taipei 101 in Taiwan, the world's tallest completed skyscraper.

Samsung at the 2009 Consumer Electronics Show in Las Vegas 1938-1969 SAMSUNG's beginnings

1938: Lee Byung-Chull founded his small business as 'Samsung Store' at Daegu
1950: Lee Byung-Chull founded Samsung trading company in Seoul (YPM)
1951: SAMSUNG Moolsan established (now SAMSUNG Corporation)
1953: Samsung starts sugar production, which has since been spun off into the CJ Corporation
1958: Ankuk Fire & Marine Insurance acquired (renamed SAMSUNG Fire & Marine Insurance in October 1993)
1963: The first Shinsegae department store opens in Seoul
1963: DongBang Life Insurance acquired (renamed SAMSUNG Life Insurance in July 1989)
1964: Samsung starts Tongyang Broadcasting Company (TBC), which later merged with KBS
1965: Samsung starts the Joong-Ang Ilbo daily newspaper, which is no longer a formal subsidiary of Samsung but is still controlled by ex-Chairman Lee Kun-hee's brother-in-law.
1966: Joong-Ang Development established (known today as SAMSUNG Everland)
1969: Samsung Electronics was founded
1969: SAMSUNG-Sanyo Electronics established (renamed SAMSUNG Electro-Mechanics in March 1975 and merged with SAMSUNG Electronics in March 1977)

In 1938, Lee Byung-Chull founded Samsung, a small trading company with forty employees located in Daegu. The company prospered until the Communist invasion in 1950 when he was forced to leave Seoul and start over in Busan. During the war, Samsung's businesses flourished and its assets grew twenty-fold. In 1953, Lee started a sugar refinery—South, Korea’s first manufacturing facility after the Korean War. The company diversified into many areas and Lee sought to establish Samsung as an industry leader in a wide range of enterprises (Samsung Electronics). The company started moving into businesses such as insurance, securities, and retail. In the early 1970s, Lee borrowed heavily from foreign interests and launched a radio and television station (Samsung Electronics).

South Korean President Park Chung-hee’s regime during the 1960s and 1970s would prove a boon for Samsung. Park placed great importance on industrialization, and focused his economic development strategy on a handful of large domestic conglomerates, protecting them from competition and assisting them financially. Samsung was one of these companies. Park banned several foreign companies from selling consumer electronics in South Korea in order to protect Samsung from foreign competition and nurture an electronics manufacturing sector that was in its infancy. “To make up for a lack of technological expertise in South Korea, the South Korean government effectively required foreign telecommunications equipment manufacturers to hand over advanced semiconductor technology in return for acces.
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Samsung LCD

2009-09-16T22:28:00.000-07:00

Samsung is the world's largest manufacturer of Televisions and various other consumer electronics.

Samsung is the world's second largest mobile phone maker.

Compared to other major Korean companies, Samsung survived the Asian financial crisis of 1997-98 relatively unharmed. However, Samsung Motor Co, a $5 billion venture was sold to Renault at a significant loss. Additionally, Samsung manufactured a range of aircraft from 1980 to 1990s. The company was founded in 1999 as Korea Aerospace Industries(KAI), the result of merger between then three domestic major Aerospace divisions of Samsung Aerospace, Daewoo Heavy Industries and Hyundai Space and Aircraft Company (HYSA). Korea Aerospace Industries(KAI)- largest shareholders as of 2009 (Korea Development Bank 30.53%, Samsung Techwin 20.54%, Doosan(formerly known as Daewoo Heavy Industries)20.54%, Hyundai Motor 20.54%). Most importantly, Samsung Electronics (SEC) was officially spun-off from the Samsung Group and has since come to dominate the group and the worldwide semiconductor business, even surpassing worldwide leader Intel in investments for the 2005 fiscal year. Samsung's brand strength has greatly improved in the last few years.^[12]

Samsung became the largest producer of memory chips in the world in 1992, and is the world's second-largest chipmaker after Intel (see Worldwide Top 20 Semiconductor Market Share Ranking Year by Year).^[13] From 1999 to 2002, Samsung conspired with Hynix Semiconductor, Infineon Technologies, Elpida Memory (Hitachi and NEC) and Micron Technology to fix the prices of DRAM chips sold to American computer makers. In 2005 Samsung agreed to plead guilty and to pay a $300 million fine, the second-largest criminal antitrust fine in the US history

Samsung groups

2009-09-16T22:22:00.000-07:00

samsung dg camera

Samsung is currently the world's No. 3 maker of compact cameras.^[18]

Samsung is the world's largest producer of DRAM, SRAM and Flash Memory.

Samsung is a leading manufacturer of computers such as the Q1 Ultra Mobile PC.

Samsung is the world's largest manufacturer of LCD displays.

Samsung, the world’s number one manufacturer of CRT and TFT computer monitors.^[20]

Samsung is the world's 4th-largest manufacturer of Hard disk drives.

Samsung SDI Co., the world's second- largest maker of Lithium-ion batteries.^[21]

Samsung is the world's second- largest maker of multifunction printers.

Device solutions business

Currently, Samsung has sixteen products that have dominated the world’s market share, including: DRAM, color cathode-ray tube TVs (CPT, CDT), SRAM, TFT-LCD glass substrates, TFT-LCD, STN-LCD, tuner, CDMA handset, color television (CTV), monitor, flash memory, LCD Driver IC (LDI), PDP module, PCB for handheld (mobile phone plates), Flame Retardant ABS, and Dimethyl Formamide (DMF).^[22]

Plus in the Television market, Samsung and LG make the only screens for LCD TFT televisions and then later sell them on to the other companies.

According to Interbrand and BusinessWeek, Samsung’s brand value ranked 43rd (USD 5.2billion) in 2000, 42nd (USD 6.4 billion) in 2001, 34th (USD 8.3 billion) in 2002, 25th (USD 10.8 billion) in 2003, 21st (USD 12.5 billion) in 2004, and 20th (14.9 billion) in 2005 among top global companies.

In terms of export that directly contributes to the Korean economy, Samsung took up 18.1% of the all exports with USD 31.2 billion in 2000 and 20.7% with USD 52.7 billion in 2004. In addition, Samsung's tax payments to the Korean government in 2003 was KRW 6.5 trillion, which is about 6.3% of total tax revenue.

The market value of Samsung in 1997 reached KRW 7.3 trillion in 1997, which amounted to 10.3% of the Korean market but this figure increased to KRW 90.8 trillion taking up 22.4% in 2004.

Moreover, the annual net profit of Samsung marked KRW 5.8 trillion in 2001, KRW 11.7 trillion in 2002, KRW 7.4 trillion in 2003, and KRW 15.7 trillion in 2004, showing forth a steady increase.

In order to enhance the working environment and build a strong and trustworthy foundation, the semiconductor sector of Samsung Electronics has been conducting a ‘Great Workplace Program’ called GWP since 1998. Then, in 2003, GWP has spread throughout the entire Samsung Group as Samsung Fire and Marine Insurance, Samsung SDI, Samsung Everland, Samsung Corporation, Cheil Industries, Samsung Networks, and others started to apply its core principles. In 2006, 9 subsidiary companies of Samsung Electronics, 80 overseas branches, and 130 overseas business sectors have reported that they are actively applying the GW.

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The Nokia 770 Internet Table

2009-09-16T05:06:00.000-07:00


Manufacturer	Nokia
Type	Internet appliance
Retail availability	2005-11-03
Media	RS-MMC or MMCmobile
Operating system	Internet Tablet OS 2006 (Maemo (operating system) 2.2)
Power	BP-5L Li-Polymer 1500 mAh Battery
CPU	252 MHz Texas Instruments OMAP 1710
Memory	64MB Random Access Memory, 128MB Flash
Display	800 × 480 resolution, 4.13 in diagonal, widescreen
Input	Touchscreen
Connectivity	IEEE 802.11g, Bluetooth
Successor	Nokia N800

The Nokia 770 Internet Tablet is a wireless Internet appliance from Nokia, original
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LG touch watch

2009-09-16T05:03:00.000-07:00

In 2006, LG recorded a brand growth of 14%.^[3] Now the world's largest plasma panel manufacturer,^[4] its affiliate, LG Display, is one of the largest manufacturers of liquid crystal displays. Also in 2006, the company's mobile phone division, LG Mobile, marketed the LG Chocolate phone, changing the company's image of the maker of thick 3G phones. It now focuses on the design and marketing of phones such as the LG Shine, the LG Glimmer and LG Prada (KE850). As a result, the company was picked as "The Design Team of the Year" by the Red Dot Design Award in 2006~2007 and is often called the "New Apple" in the industry and online communities.

Billboards at Dundas Square in Toronto, Canada, featuring an LG advertisement.

LG's 3G touch watch mobile phone

Company history

The company was originally established in 1958 as GoldStar, producing radios, TVs, refrigerators, washing machines, and air conditioners.^[5] The LG Group was a merger of two Korean companies, Lucky (from the Korean "Nakhui") and GoldStar, from which the abbreviation of LG was derived. The current "Life's Good" slogan is a backronym. Before the corporate name change to LG, household products were sold under the brand name of Lucky, while electronic products were sold under the brand name of GoldStar (Hangul:금성). In January 2009 LG was able to buy the domain name, LG.com, placing it among the companies who own their two letter brand's domain name.^[6]

In 1994 GoldStar gained sponsorship from The 3DO Company to make the first 3DO Interactive Multiplayer. In 1995, GoldStar was renamed LG Electronics, and acquired Zenith Electronics of the United States. LG Solar Energy is a subsidiary formed in 2007 to allow LG Chem to supply polysilicon to LG Electronics for production of solar cells. In 2008, LG took its first dive into the solar-panel manufacturing pool, as it announced a preliminary deal to form a joint venture with Conergy. Under the deal, set to be completed by year's end, LG would acquire a 75 percent stake in Conergy's Frankfurt solar-panel plant.^[7] LG has produced camcorders called ARTCAM and DSLRs ^[8]

Sponsorship

LG Electronics sponsored the English football club Leicester City and Weyside Rovers (Guildford) from 2000 until 2002. LG Electronics currently sponsors the English football clubs Fulham F.C deals pulled together at that time by the ex-Marketing Director John Bernard, who now works for the competition, Sony Ericsson. LG also sponsor the Fremantle Football Club (an Australian Football League team) , the Australian National Rugby League club Cronulla Sharks and the Argentinian club Boca Juniors.

During the period 2001-2003 the company sponsored the snooker Grand Prix. During these years the tournament was known as the LG Cup.

LG now also sponsors London Fashion Week and the LG Arena in Birmingham.^[9]

In 2008 LG became sponsors of the Extreme Sport 'FSO4 Freeze' festival^[10] and in January 2009 LG became a Global Partner and Technology Partner of Formula One.

GSMA Mobile World

2009-09-16T04:59:00.000-07:00

WorldCongress is the combination of the world's largest exhibition for the mobile industry and a congress featuring prominent Chief Executives representing mobile operators, vendors and content owners from across the world. The event, initially named as GSM World Congress and later renamed as the 3GSM World Congress, is still often referred to as the GSM World Congress or simply the 3GSM.

In 2007, approximately 55,000 people attended.

The GSM Association Mobile. WorldCongress in 2008 took place at the Fira de Barcelona, Catalonia, Spain, in February. Until 2006, when it moved to Barcelona, it took place in Cannes.

GSM Association Mobile. WorldCongress 2008 statistics

GSMA Mobile World Congress

In total, more than 55,000 visitors — including delegates, exhibitors, contractors and media — attended the event.
More than 230 chief executives and other high-level speakers from across the world attended the show.
More than 43% of conference attendees hold C-level positions within their organizations.
2,700 international print, Web and broadcast media covered the show.
1,300 companies exhibited their offering across 1,500 stands with approximately 29,000 square meters of exhibition space and 30,000 of square meters of hospitality space.

The 2009 GSM Association Mobile. WorldCongress took place from Monday, February 16, to Thursday, February 19. The first day was dominated by Microsoft-related announcements, such as their increased partnership with LG and demonstrations of their new Windows Mobile 6.5 Operating System.

3G- MOBILE

2009-09-16T04:55:00.000-07:00

Like other GSM phone, GSM-R equipment can transmit data and voice. New GSM-R features for mobile communication are based on GSM, and are specified by EIRENE project. Call features are:

PtP Call: Point-to-Point Call, the same type of call as a normal GSM call
VGCS: Voice Group Call System, quite similar to walkie-talkie communication
VBS: Voice Broadcast System, like a VGCS but only the call initiator can speak (the other are only listeners)
REC: Railways Emergency Call, it is a special VGCS with high priority dedicated to emergencies.
Priority control of all the different calls (PtP, VGCS, VBS and REC calls)

There are other additional features:

Functional Addressing, alias system to call someone registered on the GSM-R network, only by knowing the temporary function user (engine driver of train such-and-such, …)
Shunting mode, when users work on the tracks.

GSM-R features

A graphical GSM-R cab radio interface - capable of displaying different languages

GSM-R user interface with colour display

ASCI (Advanced Speech Call Items) features

VGCS (Voice Group Call Service)

VGCS allows a great number of users to participate in the same call. This feature imitates the analogue PMR (Private Mobile Radio) group call with the PTT key (Push-to-Talk).

Three kinds of users are defined: the Talker, the Listener and the Dispatcher. The talker can become a listener by releasing the PTT key and a listener becomes a talker by pressing the PTT key.

The main advantage of VGCS compared to multi-party calls (the GSM conference call feature) is the spectrum efficiency. Indeed, when many users are in the same cell they will use only one frequency for all listeners and two frequencies for the talker (as in point-to-point call). In a multi-party call, one timeslot is dedicated to each user.

VBS (Voice Broadcast Service)

VBS is a broadcast group call: this means that compared to VGCS, only the initiator of the call can speak. The others who join the call can only be listeners. This kind of call is mainly used to broadcast

Antivirus software

2009-09-16T04:50:00.000-07:00

Antivirus (or anti-virus) software is used to prevent, detect, and remove malware, including computer viruses, worms, and trojan horses. Such programs may also prevent and remove adware, spyware, and other forms of malware.

A perfect sodftware variety of strategies are typically employed. Signature-based detection involves searching for known malicious patterns in executable code. However, it is possible for a user to be infected with new malware in which no signature exists yet. To counter such so called zero-day threats, heuristics can be used. One type of heuristic approach, generic signatures, can identify new viruses or variants of existing viruses for looking for known malicious code (or slight variations of such code) in files. Some antivirus software can also predict what a file will do if opened/run by emulating it in a sandbox and analyzing what it does to see if it performs any malicious actions. If it does, this could mean the file is malicious.

However, no matter how useful antivirus software is, it can sometimes have drawbacks. Antivirus software can degrade computer performance if it is not designed efficiently. Inexperienced users may have trouble understanding the prompts and decisions that antivirus software presents them with. An incorrect decision may lead to a security breach. If the antivirus software employs heuristic detection (of any kind), the success of it is going to depend on whether it achieves the right balance between false positives and false negatives. False positives can be as destructive as false negatives. In one case, a faulty virus signature issued by Symantec mistakenly removed essential operating system files, leaving thousands of PCs unable to boot.^[1] Finally, antivirus software generally runs at the highly trusted kernel level of the operating system, creating a potential avenue of attack.

In addition to the drawbacks mentioned above, the effectiveness of antivirus software has also been researched and debated. One study found that the detection success of major antivirus software dropped over a one-year period.

3G- MOBILE

2009-09-16T04:47:00.000-07:00

Telecommunications-2000 (IMT-2000), better known as 3G or 3rd Generation, is a family of standards for mobile telecommunications defined by the International Telecommunication Union,^[1] which includes GSM EDGE, UMTS, and CDMA2000 as well as DECT and WiMAX. Services include wide-area wireless voice telephone, video calls, and wireless data, all in a mobile environment. Compared to 2G and 2.5G services, 3G allows simultaneous use of speech and data services and higher data rates (up to 14.0 Mbit/s on the downlink and 5.8 Mbit/s on the uplink with HSPA+). Thus, 3G networks enable network operators to offer users a wider range of more advanced services while achieving greater network capacity through improved spectral efficiency.

The International Telecommunication Union (ITU) defined the third generation (3G) of mobile telephony standards – IMT-2000 – to facilitate growth, increase bandwidth, and support more diverse applications. For example, GSM (the current most popular cellular phone standard) could deliver not only voice, but also circuit-switched data at download rates up to 14.4 kbps. But to support mobile multimedia applications, 3G had to deliver packet-switched data with better spectral efficiency, at far greater bandwidths

. Laptop Computer

2009-09-13T03:17:00.001-07:00

A subnotebook, also called an ultraportable by some vendors, is a laptop designed and marketed with an emphasis on portability (small size, low weight and longer battery life) that retains the performance of a standard notebook.^[15] Subnotebooks are usually smaller and lighter than standard laptops, weighing between 0.8 and 2 kg (2 to 5 pounds);^[10] the battery life can exceed 10 hours^[16] when a large battery or an additional battery pack is installed.

To achieve the size and weight reductions, ultraportables use high resolution 13" and smaller screens (down to 6.4"), have relatively few ports, employ expensive components designed for minimal size and best power efficiency, and utilize advanced materials and construction methods. Some subnotebooks achieve a further portability improvement by omitting an optical/removable media drive; in this case they may be paired with a docking station that contains the drive and optionally more ports or an additional battery.

The term "subnotebook" is usually reserved to laptops that run general-purpose desktop operating systems such as Windows, Linux or Mac OS X, rather than specialized software such as Windows CE, Palm OS or Internet Tablet OS.

models

2009-09-11T02:35:00.000-07:00

Abstractions, concepts, and theories
Business model, a framework expressing the business logic of a firm
Business process modeling, the activity of representing processes of an enterprise
Causal model, an abstract model that uses cause and effect logic
Computer model, a computer program which attempts to simulate an abstract model of a particular system
computer simulation
Data model, a description of the structure of a database
Ecosystem model, a mathematical representation of an ecosystem
Enterprise modelling
Geologic modelling, the applied science of creating computerized models of geologic features
Mathematical model, an abstract model that uses mathematical language
Mechanistic model, a description of a system in terms of its constituent parts and mechanisms
Model (abstract), an abstraction or conceptual object used in the creation of a predictive formula
Model building (particle physics), the construction of new models beyond the Standard Model in particle physics
Model Driven Engineering, the systematic use of models in engineering
Model (economics), a theoretical construct representing economic processes
Model (macroeconomics), an economic model representing a national or regional economy

sports

2009-09-11T02:25:00.000-07:00

erminant of the outcome (winning or losing), but the term is also used to include activities such as mind sports (a common name for some card games and board games with little to no element of chance) and motor sports where mental acuity or equipment quality are major factors. Sport is commonly defined as an organized, competitive and skillful physical activity requiring commitment and fair play. Some view sports as differing from games based on the fact that there are usually higher levels of organization and profit (not always monetary) involved in sports. Accurate records are kept and updated for most sports at the highest levels, while failures and accomplishments are widely announced in sport news.

The term sports is sometimes extended to encompass all competitive activities in which offense and defense are played, regardless of the level of physical activity. Both games of skill and motor sport exhibit many of the characteristics of physical sports, such as skill, sportsmanship, and at the highest levels, even professional sponsorship associated with physical sports.

Sports that are subjectively judged are distinct from other judged activities such as beauty pageants and bodybuilding shows, because in the former the activity performed is the primary focus of evaluation, rather than the physical attributes of the contestant as in the latter (although "presentation" or "presence" may also be judged in both activities).

Sports are most often played just for fun or for the simple fact that people need exercise to stay in good physical condition.

music

2009-09-11T02:21:00.000-07:00

Music is an art form whose medium is sound. Common elements of music are pitch (which governs melody and harmony), rhythm (and its associated concepts tempo, meter, and articulation), dynamics, and the sonic qualities of timbre and texture. The word derives from Greek μουσική (mousike), "(art) of the Muses".[1]

The creation, performance, significance, and even the definition of music vary according to culture and social context. Music ranges from strictly organized compositions (and their recreation in performance), through improvisational music to aleatoric forms. Music can be divided into genres and subgenres, although the dividing lines and relationships between music genres are often subtle, sometimes open to individual interpretation, and occasionally controversial. Within "the arts", music may be classified as a performing art, a fine art, and auditory art.

To many people in many cultures music is an important part of their way of life. Greek philosophers and ancient Indian philosophers defined music as tones ordered horizontally as melodies and vertically as harmonies. Common sayings such as "the harmony of the spheres" and "it is music to my ears" point to the notion that music is often ordered and pleasant to listen to. However, 20th-century composer John Cage thought that any sound can be music, saying, for example, "There is no noise, only sound."[2] According to musicologist Jean-Jacques Nattiez, "the border between music and noise is always culturally defined—which implies that, even within a single society, this border does not always pass through the same place; in short, there is rarely a consensus.... By all accounts there is no single and intercultural universal concept defining what music might be, except that it is 'sound through time'."[

sexual attration

2009-09-09T05:10:00.000-07:00

Sexual attraction or sex appeal refers to a person's ability to attract in a sexual or erotic manner the interest of another person. The attraction may be to a physical quality of a person, or it may be to other more nebulous qualities of the person.

Though attempts have been made to devise objective criteria of sexual attractiveness, a person's sexual attractiveness is to a large extent a subjective measure dependent on another person's interest, perception and sexual orientation. For example, a gay or lesbian would typically find a person of the same-sex to be more attractive then one of the other gender. A bisexual person would typically find both sexes to be equally attractive.

Contents [hide]
1 Social and biological factors
2 See also
3 Notes
4 References
5 External links

Social and biological factors
Human sexuality has many aspects. In biology, sexuality describes the reproductive mechanism as well as the basic biological drive that exists in all species and can encompass sexual intercourse and sexual contact in all its forms. There are also emotional and physical aspects of sexuality. These relate to the bond that exists between individuals, which may be expressed through profound feelings or emotions. Sociologically, it can cover the cultural, political, and legal aspects; and philosophically, it can span the moral, ethical, theological, spiritual or religious aspects.

Which aspects of a person's sexuality attracts another is influenced by cultural factors, and has varied over time, as well as personal factors. Influencing factors may be determined more locally among sub-cultures, across sexual fields, or simply by the preferences of the individual. These preferences come about as a result of a complex variety of genetic, psychological, and cultural factors.

A person's physical appearance has a critical impact on their sexual attractiveness. This involves the impact one's appearance has on the senses, especially in the beginning of a relationship:

Visual perception (how the other looks and acts);
Audition (how the other's voice and/or movements sound).

business

2009-09-09T04:54:00.000-07:00

A business (also called a firm, or enterprise) is a legally recognized organization designed to provide good s and/or services to ...
22 KB (2939 words) - 20:54, 8 September 2009
Master of Business Administration The Master of Business Administration (MBA) is a master's degree in business administration , which attracts people from a wide range of ...
36 KB (4547 words) - 16:21, 1 September 2009
Harvard Business School Harvard Business School (HBS) is a business school in the United States. ranked number one among American business schools by the U.S. News. ...
26 KB (3888 words) - 14:42, 4 September 2009
Administration (business) In business , administration consists of the performance or management of business operations

auto insurance

2009-09-09T04:48:00.000-07:00

Vehicle insurance (also known as auto insurance, car insurance, or motor insurance) is insurance purchased for cars, trucks, and other vehicles. Its primary use is to provide protection against losses incurred as a result of traffic accidents and against liability that could be incurred in an accident.

Contents [hide]
1 Public policy
1.1 Australia
1.2 Canada
1.3 Hungary
1.4 Ireland
1.5 Romania
1.6 South Africa
1.7 United Kingdom
1.8 United States
2 Coverage levels
3 Excess
3.1 Compulsory excess
3.2 Voluntary excess
4 Basis of premium charges
4.1 Gender
4.2 Age
4.3 Marital status
4.4 Vehicle classification
4.5 Distance
4.5.1 Reasonable estimation
4.5.2 Odometer-based systems
4.5.3 GPS-based system
4.5.4 OBDII-based system
5 Auto insurance in the United States
5.1 Coverage available
5.1.1 Liability
5.1.1.1 Combined single limit
5.1.1.2 Split limits
5.1.2 Full coverage
5.1.2.1 Collision
5.1.2.2 Comprehensive
5.1.2.3 Uninsured/underinsured Motorist coverage
5.1.2.4 Loss of use
5.1.2.5 Loan/lease payoff
5.1.2.6 Towing
5.1.2.7 Personal Property
6 Behavior based insurance
7 See also
8 External links
9 Notes

[edit] Public policy
In many jurisdictions it is compulsory to have vehicle insurance before using or keeping a motor vehicle on public roads. Most jurisdictions relate insurance to both the car and the driver, however the degree of each varies greatly.

A 1994 study by Jeremy Jackson and Roger Blackman[1] showed, consistent with the risk homeostasis theory, that increased accident costs caused large and significant reductions in accident frequencies.

clothes dryer

2009-09-06T05:37:00.000-07:00

dryer or tumble dryer is a household appliance that is used to remove moisture from a load of clothing and other textiles, generally shortly after they are cleaned in a washing machine.

Most dryers consist of a rotating drum called a tumbler through which heated air is circulated to evaporate the moisture from the load. The tumbler is rotated relatively slowly in order to maintain space between the articles in the load. In most cases, the tumbler is belt-driven by an induction motor.

Using these machines may cause clothes to shrink, become less soft (due to loss of short soft fibers/ lint) and fade. For these reasons, as well as environmental concerns, many people use open air methods such as a clothes line and clotheshorse

loans

2009-09-06T05:33:00.000-07:00

... Although this article focuses on monetary loans, in practice any material object might be lent. ...
9 KB (1352 words) - 16:06, 29 August 2009
Student loan (redirect from Student loans) Student loans are loan s offered to students to assist in payment of the costs of professional education . These loans usually carry a ...
3 KB (458 words) - 18:21, 5 September 2009
Loanword A loanword (or loan word) is a word borrowed from one language and incorporated ... Direct loans , expressions

slim disktop

2009-09-06T05:32:00.000-07:00

Manager (KDM) is a graphical login interface for computers using Unix-like operating systems. It is the K Desktop Environment replacement for XDM, the default X display manager (from which it was originally developed). KDM allows users to pick their session type on a per-login basis. Like KDE, it uses the Qt toolkit and can be configured from the KDE control center. It also allows theming and user photos

new computer lab

2009-09-06T05:28:00.000-07:00

Computer Graphics Lab was a computer lab located at the New York Institute of Technology (NYIT) back in the late 1970s. It was originally located at the "pink building" on the NYIT campus.

The lab was started to produce a short high quality feature with the project name of The Works. This was never completed although millions of dollars were invested into it. It was to be a 90 minute feature that was to be the first entirely Computer generated CGI movie. Production mainly focused around DEC PDP and VAX machines.

It was linked to Computer Graphics Laboratory Inc.

Many of the original CGL team now form the elite of the CG and computer world with members going on to Silicon Graphics, Microsoft, Cisco, NVIDIA and others, including Pixar President Ed Catmull, Pixar co-founder and Microsoft Graphics Fellow Alvy Ray Smith, Pixar co-founder Ralph Guggenheim, Walt Disney Feature Animation Chief Scientist Lance Joseph Williams, Dreamworks Animator Hank Grebe, Netscape and Silicon Graphics founder Jim Clark (James H. Clark), Microsoft Graphics Fellow Jim Blinn, Thad Beier, Andrew Glassner and Tom Brigham. Systems programmer Bruce Perens went on to co-found the Open Source initiative.

black lcd

2009-09-06T05:18:00.000-07:00

monitor or display (sometimes called a visual display unit) is a piece of electrical equipment which displays images generated by devices such as computers, without producing a permanent record. The monitor comprises the display device, circuitry, and an enclosure. The display device in modern monitors is typically a thin film transistor liquid crystal display (TFT-LCD), while older monitors use a cathode ray tube (CRT).

toshiba

2009-09-06T05:17:00.000-07:00

Toshiba was founded by the merging of two companies in 1939.

One, Tanaka Seizosho (Tanaka Engineering Works), was Japan's first manufacturer of telegraph equipment and was established by Hisashige Tanaka in 1875. In 1904, its name was changed to Shibaura Seisakusho (Shibaura Engineering Works). Through the first part of the 20th century Shibaura Engineering Works became a major manufacturer of heavy electrical machinery as Japan modernized during the Meiji Era and became a world industrial power

hp laptop

2009-09-06T05:12:00.000-07:00

Pavilion dv4 is a model series of laptop/mobile computers manufactured by Hewlett-Packard Company that features a 14.1" diagonal display. The HP Pavilion dv5 features a 15.4" and the HP Pavilion dv7 a 17" display.

Contents [hide]
1 Models
2 Weight And Dimensions
3 Customizable Features
4 References

dell laptop

2009-08-27T04:05:00.000-07:00

YouTube - Dell Laptop Explodes on Chaser

27 सेकेन्ड - 4 अगस्त 2006 -

Another Dell laptop explodes but this time on Australian TV. Clearly this is a fake, but it goes nicely with all the Dells spontantiously combusting these d ...
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sports

2009-08-27T03:36:00.000-07:00

free encyclopedia
Jump to: navigation, search
This article is about roadgoing cars. For racing cars, see Sports car racing.

Lotus Super 7, a fundamental sports carThe term sports car has been defined as "an open, low-built, fast motor car."[1][2] The term describes a class of automobile with two seats, two doors, precise handling, brisk acceleration, and sharp braking — trading practical considerations such as p

mesothelioma

2009-08-26T05:09:00.000-07:00

Dell Latitude D630

Dell's Latitude laptop brand is specifically targeted at the business market which means that standardized parts are used throughout the line and are available for several years for support purposes, as opposed to the Dell Inspiron which is aimed at the consumer market and whose specifications change regularly. Whereas Inspiron may switch vendors on components several times over the course of a single model, the Latitude line generally retains identical components throughout its production. This design is intended to simplify maintenance and support tasks for large corporations, allowing components to be easily swapped between models.

Dell Latitude computers are also built to Dell's RoadReady specification which includes a durable magnesium-alloy casing, internal metal frames and Strike Zone shock protection in case the computer is dropped or suffers a severe impact. Many models also feature free-fall sensors or solid-state drives. Latitude models are also generally regarded[weasel words] to be more durable and higher quality than the consumer Inspiron line, and even above the premium Studio and XPS models. Latitude models have 3 year US-based support, as opposed to the 1 year warranty on other models. This, however, results in a price premium in the hundreds of dollars as opposed to the consumer models.

Latitude computers are also differentiated in their feature sets, due to their business focus. For example, they often include security features such as smartcard and contactless smartcard, and TPM security, which are not usable for most consumers. A lid clasp (as opposed to a magnetic latching system), DisplayPort video out (as opposed to HDMI), and support for legacy standards are all results of the requirements of the business market.

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2009-08-26T01:01:00.000-07:00

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2009-08-26T00:52:00.000-07:00

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2009-08-26T00:50:00.000-07:00

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album

2009-08-25T03:05:00.001-07:00

uses, see Album (disambiguation).

Early record "albums" were packages of 78 RPM records in book form, resembling photograph albumsAn album or record album is a collection of related audio or music tracks distributed to the public. The most common way is through commercial distribution, although smaller artists will often distribute directly to the public by selling their albums at live concerts or on their websites.

Contents [hide]
1 Tracklisting
2 History
3 Length
4 See also
5 References

[edit] Tracklisting
The tracks on an album may be related by subject, mood or sound, and may even be designed to express a unified message or tell a story (as in the case of a concept album), or the tracks may simply represent a convenient grouping of recordings made at one time or place, or recordings whose commercial rights are controlled by a single record label. A group of audio tracks is considered to be an album if it has a generally consistent track list (often with minor differences or bonus tracks in different territories, or if the album is "reissued" at different times). An album may be released in a single format, such as on compact disc, or in multiple media formats, ranging from physical ones such as CDs, DVD audio, cassettes and vinyl records, to digital ones such as MP3 and AAC files or streaming audio.

[edit] History
The term "record album" originated from the fact that 78-RPM phonograph disc records were kept in a bound container resembling a photogaph album. The first collection of records to be called an "album" was Tchaikovsky's Nutcracker Suite, released in April 1909 as a four-disc set by Odeon Records.[1][2] It retailed for 16 shillings (approximately £56 or US$101 in 2005 currency).

In 1948, Columbia produced the first 12-inch, 33⅓-RPM microgroove record made of vinyl.[1] With a running time of 23 minutes per side, these new records contained as much music as the old-style album of records and, thus, took on the name "album". For many years, the standard industry format for popular music was an album of twelve songs, originally the number related to payment of composer royalties.

Originally, albums ranged in duration from half an hour to an hour, depending on the genre and record label. American pop albums tended to be around a half hour; British pop albums were somewhat longer, often containing 14 songs instead of 11 or 12; jazz albums were longer still; and classical albums were the longest of all. From the dawn of the "album era" (in jazz, about 1954; in rock, about 1962) until about the mid-1960s, albums were often recorded as quickly as possible, sometimes in single sessions. (Prestige Records and Blue Note Records were famous for this; as well, The Beatles' first album and The Byrds' first four albums were all largely recorded in single sessions.) In the 1960s, many performers issued two or more albums of new material every year.

By the late 1960s, the growing importance of albums and advances in studio recording led many rock groups to spend more time on each release, and through the 1970s, an interval of one or two years between albums became the norm. With the advent of compact discs, even longer periods between new recordings become common; however, in some genres such as indie rock, groups often continue to produce albums at the rate of one a year.

Vinyl LP records have two sides, each comprising one half of the album. If a pop or rock album contained tracks released separately as commercial singles, these were often traditionally placed in particular positions on the album. A common configuration was to have the album led off by the second and third singles, followed by a ballad. The first single would lead off side 2. In the past, many singles (such as the Beatles' "Hey Jude") did not appear on albums, but others (such as the Beatles' "Come Together" and "Something") were also part of an album released concurrently. Today many commercial albums of music tracks feature one or more singles, which are released separately to radio, TV or the Internet as a way of promoting the album. Albums have also been issued that are compilations of older tracks not originally released together, such as singles not originally found on albums, b-sides of singles, or unfinished "demo" recordings.

Album sets of the past were arranged "in sequence" for phonographs equipped with record changers. In the case of a two-record set, for example, sides one and four would be printed on one record, and sides two and three on the other. The two records would then be stacked up on a spindle especially equipped to handle such albums, with side one on the bottom and side two on the top. The record containing side one would then automatically drop down on the turntable, and the tone arm containing the stylus needle would then automatically play the record. When that side was finished, the tone arm would swing back to allow the record containing side two to drop down on top of the record containing side one, and automatically begin to play.

Record changers persisted throughout the LP era, but were discontinued after it was discovered that the stacking up of records had the potential to warp them.

Today, with the vinyl record no longer being used as the primary form of distribution, the term "album" can still be applied to any sound recording collection, such as those on compact disc, MiniDisc, Compact audio cassette, and digital or MP3 albums. Cover art is also considered an integral part of the album. Many albums also come with liner notes and inserts giving background information or analysis of the recording, reprinted lyrics, images of the performers, or additional artwork and text. These are now often found in the form of CD booklets.

Length
Due to the large capacity of new media (compact discs originally ran to 74 minutes, later extended to 80 minutes) and the lack of any formal "side" divisions, the matter of how long an album should be is open to debate, although most albums today are at least 30 minutes long. Usually, rock albums with a particularly fast tempo, such as albums in punk rock and non-progressive thrash metal are the shortest, then albums in mainstream rock and pop; then hip hop albums are slightly longer. Progressive varieties of metal and rock, such as Dream Theater and Tool, may have songs around ten minutes long individually. Albums like these are usually around or over an hour. According to the rules of the UK Charts, a recording counts as an "album" if either it has more than four tracks or lasts more than 25 minutes.[3] Sometimes shorter albums are referred to as EPs, an abbreviation of extended play, "extended" meaning longer than a single but shorter than an LP. The term "mini-album" may also be used.

If an album becomes too long to fit this format, a recording artist may make the decision to release a double album where two vinyl LPs or compact discs are packaged together in a single case, or a triple album containing three LP's or compact discs.

Recording artists who have an extensive back catalogue will often re-release several CDs in one single box with a unified design, often containing one or more albums, or a compilation of previously unreleased recordings. These are known as box sets. Some musical artists have also released more than three compact discs or LP records of new recordings at once, in the form of boxed sets, although in that case the work is still usually considered to be an album.

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2009-08-25T03:05:00.000-07:00

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music

2009-08-24T05:35:00.000-07:00

From Wikipedia, the free encyclopedia
Jump to: navigation, search
For other uses, see Music (disambiguation).
Performing arts
Major forms
Dance · Music · Opera · Theatre · Circus Arts

Minor forms
Magic · Puppetry

Genres
Drama · Tragedy · Comedy · Tragicomedy · Romance · Satire · Epic · Lyric

Music is an art form whose medium is sound. Common elements of music are pitch (which governs melody and harmony), rhythm (and its associated concepts tempo, meter, and articulation), dynamics, and the sonic qualities of timbre and texture. The word derives from Greek μουσική (mousike), "(art) of the Muses".[1]

The creation, performance, significance, and even the definition of music vary according to culture and social context. Music ranges from strictly organized compositions (and their recreation in performance), through improvisational music to aleatoric forms. Music can be divided into genres and subgenres, although the dividing lines and relationships between music genres are often subtle, sometimes open to individual interpretation, and occasionally controversial. Within "the arts", music may be classified as a performing art, a fine art, and auditory art.

To many people in many cultures music is an important part of their way of life. Greek philosophers and ancient Indian philosophers defined music as tones ordered horizontally as melodies and vertically as harmonies. Common sayings such as "the harmony of the spheres" and "it is music to my ears" point to the notion that music is often ordered and pleasant to listen to. However, 20th-century composer John Cage thought that any sound can be music, saying, for example, "There is no noise, only sound."[2] According to musicologist Jean-Jacques Nattiez, "the border between music and noise is always culturally defined—which implies that, even within a single society, this border does not always pass through the same place; in short, there is rarely a consensus.... By all accounts there is no single and intercultural universal concept defining what music might be, except that it is 'sound through time'."[3]

Contents
1 History
1.1 Prehistoric eras
1.2 Biblical period
1.3 Antiquity
1.4 Western cultures
2 Non-Western Classical traditions
3 Performance
3.1 Aural tradition
3.2 Ornamentation
4 Production
4.1 Composition
4.2 Notation
4.3 Improvisation
4.4 Theory
5 Cognition
6 Sociology
7 Media and technology
7.1 Internet
8 Business
9 Education
9.1 Non-professional
9.2 Academia
9.3 Ethnomusicology
10 Music therapy
11 See also
12 References
13 Further reading
14 External links

History
Main article: History of music

Prehistoric eras
Ancient music can only be imagined by scholars, based on findings from a range of paleolithic sites, such as bones in which lateral holes have been pierced: these are usually identified as flutes,[4] blown at one end like the Japanese shakuhachi. Instruments, such as the seven-holed flute and various types of stringed instruments have been recovered from the Indus Valley Civilization archaeological sites.[5] India has one of the oldest musical traditions in the world—references to Indian classical music (marga) can be found in the ancient scriptures of the Hindu tradition, the Vedas.[6] The earliest and largest collection of prehistoric musical instruments was found in China and dates back to between 7000 and 6600 BC.[7]

Biblical period

"David with his harp" Paris Psalter,
c. 960, ConstantinopleAccording to Easton's Bible Dictionary, Jubal was the inventor of musical instruments (Gen. 4:21). The Hebrews were much given to the cultivation of music. Their whole history and literature afford abundant evidence of this. After the Deluge, the first mention of music is in the account of Laban's interview with Jacob (Gen. 31:27). After their triumphal passage of the Red Sea, Moses and the children of Israel sang their song of deliverance (Ex. 15). But the period of Samuel, David, and Solomon was the golden age of Hebrew music, as it was of Hebrew poetry. Music was now for the first time systematically cultivated. It was an essential part of training in the schools of the prophets (1 Sam. 10:5; 19:19-24; 2 Kings 3:15; 1 Chr. 25:6). There now arose also a class of professional singers (2 Sam. 19:35; Eccl. 2:8). Solomon's Temple, however, was the great school of music. In the conducting of its services large bands of trained singers and players on instruments were constantly employed (2 Sam. 6:5; 1 Chr. 15; 16; 23;5; 25:1-6). In private life also music seems to have held an important place among the Hebrews (Eccl. 2:8; Amos 6:4-6; Isa. 5:11, 12; 24:8, 9; Ps. 137; Jer. 48:33; Luke 15:25).[8]

Music and theatre scholars studying the history and anthropology of Semitic and early Judeo-Christian culture, have also discovered common links between theatrical and musical activity in the classical cultures of the Hebrews with those of the later cultures of the Greeks and Romans. The common area of performance is found in a "social phenomenon called litany," a form of prayer consisting of a series of invocations or supplications. The Journal of Religion and Theatre notes that among the earliest forms of litany, "Hebrew litany was accompanied by a rich musical tradition:"[9]

"While Genesis 4.21 identifies Jubal as the “father of all such as handle the harp and pipe,” the Pentateuch is nearly silent about the practice and instruction of music in the early life of Israel. Then, in I Samuel 10 and the texts which follow, a curious thing happens. “One finds in the biblical text,” writes Alfred Sendrey, “a sudden and unexplained upsurge of large choirs and orchestras, consisting of thoroughly organized and trained musical groups, which would be virtually inconceivable without lengthy, methodical preparation.” This has led some scholars to believe that the prophet Samuel was the patriarch of a school which taught not only prophets and holy men, but also sacred-rite musicians. This public music school, perhaps the earliest in recorded history, was not restricted to a priestly class--which is how the shepherd boy David appears on the scene as a minstrel to King Saul."[9]

Antiquity
Music was an important part of cultural and social life in Ancient Greece: mixed-gender choruses performed for entertainment, celebration and spiritual ceremonies; musicians and singers had a prominent role in ancient Greek theater.[10] In the 9th century, the Arab scholar al-Farabi wrote a book on music titled Kitab al-Musiqi al-Kabir ("Great Book of Music"). He played and invented a variety of musical instruments and devised the Arab tone system of pitch organisation, which is still used in Arabic music.[11]

Western cultures
During the Medieval music era (500-1400), the only European repertory which has survived from before about 800 is the monophonic liturgical plainsong of the Roman Catholic Church, the central tradition of which was called Gregorian chant. Alongside these traditions of sacred and church music there existed a vibrant tradition of secular song. Examples of composers from this period are Léonin, Pérotin and Guillaume de Machaut. From the Renaissance music era (1400-1600), much of the surviving music of 14th century Europe is secular. By the middle of the 15th century, composers and singers used a smooth polyphony for sacred musical compositions. The introduction of commercial printing helped to disseminate musical styles more quickly and across a larger area. Prominent composers from this era are Giovanni Pierluigi da Palestrina, Thomas Morley and Orlande de Lassus.

Allegory of Music, by Filippino LippiThe era of Baroque music (1600-1750) began when the first operas were written and when contrapuntal music became prevalent. German Baroque composers wrote for small ensembles including strings, brass, and woodwinds, as well as choirs, pipe organ, harpsichord, and clavichord. During the Baroque period, several major music forms were defined that lasted into later periods when they were expanded and evolved further, including the fugue, the invention, the sonata, and the concerto.[12] Composers from the Baroque era include Johann Sebastian Bach, George Frideric Handel and Georg Philipp Telemann. The music of the Classical period (1750-1800) is characterized by homophonic texture, often featuring a prominent melody with accompaniment. These new melodies tended to be almost voice-like and singable. The now popular instrumental music was dominated by further evolution of musical forms initially defined in the Baroque period: the sonata, and the concerto, with the addition of the new form, the symphony. Joseph Haydn and Wolfgang Amadeus Mozart are among the central figures of the Classical period.

In 1800, the Romantic era (1800-1890s) in music developed, with Ludwig van Beethoven and Franz Schubert as transitional composers who introduced a more dramatic, expressive style. During this era, existing genres, forms, and functions of music were developed, and the emotional and expressive qualities of music came to take precedence over technique and tradition. In Beethoven's case, motifs (developed organically) came to replace melody as the most significant compositional unit. The late 19th century saw a dramatic expansion in the size of the orchestra, and in the role of concerts as part of urban society. Later Romantic composers such as Pyotr Ilyich Tchaikovsky and Gustav Mahler created complex and often much longer musical works. They used more complex chords and used more dissonance to create dramatic tension. With 20th century music, there was a vast increase in music listening as the radio gained popularity and phonographs were used to replay and distribute music. The focus of art music was characterized by exploration of new rhythms, styles, and sounds. Igor Stravinsky, Arnold Schoenberg, and John Cage were all influential composers in 20th century art music.

Jazz evolved and became a significant genre of music over the course of the 20th century, and during the second half of that century, rock music did the same. Jazz is an American musical art form which originated in the beginning of the 20th century in African American communities in the Southern United States from a confluence of African and European music traditions. The style's West African pedigree is evident in its use of blue notes, improvisation, polyrhythms, syncopation, and the swung note.[13] From its early development until the present, jazz has also incorporated music from 19th and 20th century American popular music.[14] Jazz has, from its early 20th century inception, spawned a variety of subgenres, ranging from New Orleans Dixieland (1910s) to 1970s and 1980s-era jazz-rock fusion.

Rock music is a genre of popular music that developed in the 1960s from 1950s rock and roll, rockabilly, blues, and country music. The sound of rock often revolves around the electric guitar or acoustic guitar, and it uses a strong back beat laid down by a rhythm section of electric bass guitar, drums, and keyboard instruments such as organ, piano, or, since the 1970s, digital synthesizers. Along with the guitar or keyboards, saxophone and blues-style harmonica are used as soloing instruments. In its "purest form", it "has three chords, a strong, insistent back beat, and a catchy melody."[15] In the late 1960s and early 1970s, rock music branched out into different subgenres, ranging from blues rock and jazz-rock fusion to heavy metal and punk rock, as well as the more classical influenced genre of progressive rock.

Non-Western Classical traditions
Indian classical music is one of the oldest musical traditions in the world.[16] The Indus Valley civilization has sculptures which show dance[17] and old musical instruments, like the seven holed flute. Various types of stringed instruments and drums have been recovered from Harrappa and Mohenjo Daro by excavations carried out by Sir Mortimer Wheeler.[18] The Rigveda has elements of present Indian music, with a musical notation to denote the metre and the mode of chanting.[19] Indian classical music (marga) is monophonic, and based around a single melody line or raga rhythmically organized through talas. Carnatic music is largely devotional; the majority of the songs are addressed to the Hindu deities. There are a lot of songs emphasising love and other social issues. Hindustani music was also influenced by the Persian performance practices of the Afghan Mughals.

Asian music covers the music cultures of Arabia, Central Asia, East Asia, South Asia, and Southeast Asia. Chinese classical music, the traditional art or court music of China, has a history stretching over around three thousand years. It has its own unique systems of musical notation, as well as musical tuning and pitch, musical instruments and styles or musical genres. Chinese music is pentatonic-diatonic, having a scale of twelve notes to an octave (5+7 = 12) as does European-influenced music. Persian music is the music of Persia and Persian language countries: musiqi, the science and art of music, and muzik, the sound and performance of music (Sakata 1983). See also: Music of Iran, Music of Afghanistan, Music of Tajikistan, Music of Uzbekistan).

The music of Greece was a major part of ancient Greek theater. In Ancient Greece, mixed-gender choruses performed for entertainment, celebration and spiritual reasons. Instruments included the double-reed aulos and the plucked string instrument, the lyre, especially the special kind called a kithara. Music was an important part of education in ancient Greece, and boys were taught music starting at age six. Greek musical literacy created a flowering of development; Greek music theory included the Greek musical modes, eventually became the basis for Western religious music and classical music. Later, influences from the Roman Empire, Eastern Europe and the Byzantine Empire changed Greek music.

Performance
Main article: Performance

Chinese Naxi musiciansPerformance is the physical expression of music. Often, a musical work is performed once its structure and instrumentation are satisfactory to its creators; however, as it gets performed, it can evolve and change. A performance can either be rehearsed or improvised. Improvisation is a musical idea created without premeditation, while rehearsal is vigorous repetition of an idea until it has achieved cohesion. Musicians will sometimes add improvisation to a well-rehearsed idea to create a unique performance.

Many cultures include strong traditions

models

2009-08-24T05:32:00.001-07:00

Jump to: navigation, search

This disambiguation page is currently linked from a large number of articles.Please help direct these ambiguous links to articles dealing with the specific meaning intended.

Look up model in Wiktionary, the free dictionary.
A model is a pattern, plan, representation (especially in miniature), or description designed to show the main object or workings of an object, system, or concept.
Model may also refer to:
Contents
1 Abstractions, concepts, and theories
2 Culture
3 Geography
4 History
5 Human and animal behavior
6 Lighting
7 Occupations
8 Representations of objects
9 People
10 See also
//

[edit] Abstractions, concepts, and theories
Business model, a framework expressing the business logic of a firm
Business process modeling, the activity of representing processes of an enterprise
Causal model, an abstract model that uses cause and effect logic
Computer model, a computer program which attempts to simulate an abstract model of a particular system
computer simulation
Data model, a description of the structure of a database
Ecosystem model, a mathematical representation of an ecosystem
Enterprise modelling
Geologic modelling, the applied science of creating computerized models of geologic features
Mathematical model, an abstract model that uses mathematical language
Mechanistic model, a description of a system in terms of its constituent parts and mechanisms
Model (abstract), an abstraction or conceptual object used in the creation of a predictive formula
Model building (particle physics), the construction of new models beyond the Standard Model in particle physics
Model Driven Engineering, the systematic use of models in engineering
Model (economics), a theoretical construct representing economic processes
Model (macroeconomics), an economic model representing a national or regional economy
Model theory, study of the representation of mathematical concepts
Model-view-controller, an architectural pattern in software engineering
Molecular modelling, methods and techniques to model the behaviour of molecules
Morphological modelling, a problem-solving technique used for problems with which causal modelling does not function well
A pre-clinical development model of a biological process, used in biological or medical research
Process modeling, a core concepts in the discipline of Process Engineering
Scientific modelling, the process of generating abstract models
Similitude (model), in engineering, used in the scientific testing of physical models
The Standard Model, the theory in particle physics which describes certain fundamental forces and particles
Statistical model, in applied statistics, a parameterized set of probability distributions
Toy model, a simplified system that illustrates or exhibits the same behaviour as the more complex, general system
Working Model, engineering software

[edit] Culture
Model (manhwa), a manhwa series by Lee So Young
"Model," a song by Avail from their 1994 album Dixie
Models, a 1999 film by Ulrich Seidl
Models (band), an alternative rock group from Australia
"Das Model" (spelling on album: "Das Modell"; English version title: "The Model"), a song by the German band Kraftwerk. Later covered by German band Rammstein.
The Model, novel by Norwegian writer Lars Saabye Christensen

[edit] Geography
Model, Colorado, an unincorporated town in the United States
Model, Masovian Voivodeship, east-central Poland

[edit] History
Movement for Democracy in Liberia, MODEL

[edit] Human and animal behavior
Internal model, a process by which the brain in order to better control them predicts its own actions
Mental model, a person's cognitive representation of an idea or thought process
Modelling (psychology), learning by imitating or observing a person's behavior
NLP Modeling, a method in neuro-linguistic programming for acquiring expertise through imitation
An organism (or set of signals originating from it) that is mimicked by another
Role model, a person who serves as a behavioural or moral example to others

[edit] Lighting
Modeling in lighting, how a key light reveals the three-dimensional form of a subject
Modeling light, a continuous light source that visualizes the effect of a photographic flash

[edit] Occupations
Model (person), a person employed to display his or her looks or something such as a commercial product, e.g., a fashion model (see also supermodel). Subcategories include:
Fetish model, a model who wears the clothing and/or devices of sexual fetishes
Model (art), a person who poses to be depicted in art, for example in art school
Promotional model, a person who interacts with consumers to draw attention to and often inform them about a product

[edit] Representations of objects
3D model, a 3D polygonal representation of an object, usually displayed with a computer
Model aircraft
Model building, a hobby centered around construction of material replicas
Model (physical), a physical representation of an object
Scale model, a replica or prototype of an object
Solid modeling, study of unambiguous representations of the solid parts of an object

[edit] People
Rick Martel, professional wrestler known as "The Model" during the late 1980's and early 1990's
Walther Model, German field marshal in World War II
Eddie Taubensee, baseball player who was known as "The Model" during his playing days

[edit] See also
Domain-specific modelling (DSM)
General-purpose modeling (GPM)
Model Transformation Language (MTL)
Modeling languages
MOF (for OMG software engineering models)
Non-quantified modelling
Unified Modeling Language (UML)
Systems Modeling Language (SysML)
Scientific modelling
Software for molecular mechanics modeling

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Mobile Phone

2009-08-23T05:43:00.000-07:00

Several examples of non-flip mobile phones.

A mobile phone or mobile (also called cellphone and handphone,^[1] as well as cell phone, wireless phone, cellular phone, cell, cellular telephone, mobile telephone or cell telephone) is a long-range, electronic device used for mobile telecommunications (mobile telephony, text messaging or data transmission) over a cellular network of specialized base stations known as cell sites. In addition to the standard voice function, current mobile phones may support many additional services, and accessories, such as SMS for text messaging, email, packet switching for access to the Internet, gaming, Bluetooth, infrared, camera with video recorder and MMS for sending and receiving photos and video, MP3 player, radio and GPS. Most current mobile phones connect to a cellular network consisting of switching points and base stations (cell sites) owned by a mobile network operator (the exception is satellite phones, which are mobile but not cellular).

As opposed to a radio telephone, a mobile phone offers full duplex communication, automatised calling to and paging from a public switched telephone network (PSTN), and handoff (American English)/handover (British/European English) during a phone call when the user moves from one cell (base station coverage area) to another. A mobile phone offers wide area service, and should not be confused with a cordless telephone, which also is a wireless phone, but only offer telephony service within a limited range, e.g. within a home or an office, through a fixed line and a base station owned by the subscriber.

The International Telecommunication Union estimated that mobile cellular subscriptions worldwide would reach approximately 4.1 billion by the end of 2008.^[2] Mobile phones have gained increased importance in the sector of Information and communication technologies for development in the 2000s and have effectively started to reach the bottom of the economic pyramid.^[3]

[hide]

1 History
2 Handsets
- 2.1 Features
- 2.2 Software and Applications
- 2.3 Power supply
- 2.4 SIM card
- 2.5 Market
- 2.6 Media
3 Related systems
4 Other Uses
5 Privacy
6 Health risks
7 Restriction on usage
- 7.1 Driving
- 7.2 Schools
8 Controversial raw materials
9 See also
10 References
11 Further reading
12 External links

History

Main article: History of mobile phones

Analog Motorola DynaTAC 8000X Advanced Mobile Phone System mobile phone as of 1983

In 1908, U.S. Patent 887,357 for a wireless telephone was issued in to Nathan B. Stubblefield of Murray, Kentucky. He applied this patent to "cave radio" telephones and not directly to cellular telephony as the term is currently understood.^[4] Cells for mobile phone base stations were invented in 1947 by Bell Labs engineers at AT&T and further developed by Bell Labs during the 1960s. Radiophones have a long and varied history going back to Reginald Fessenden's invention and shore-to-ship demonstration of radio telephony, through the Second World War with military use of radio telephony links and civil services in the 1950s, while hand-held cellular radio devices have been available since 1973. A patent for the first wireless phone as we know today was issued in US Patent Number 3,449,750 to George Sweigert of Euclid, Ohio on June 10, 1969.

In 1945, the zero generation (0G) of mobile telephones was introduced. Like other technologies of the time, it involved a single, powerful base station covering a wide area, and each telephone would effectively monopolize a channel over that whole area while in use. The concepts of frequency reuse and handoff, as well as a number of other concepts that formed the basis of modern cell phone technology, were described in the 1970s; see for example Fluhr and Nussbaum,^[5] Hachenburg et al.^[6] , and U.S. Patent 4,152,647, issued May 1, 1979 to Charles A. Gladden and Martin H. Parelman, both of Las Vegas, Nevada and assigned by them to the United States Government.

Martin Cooper, a Motorola researcher and executive is widely considered to be the inventor of the first practical mobile phone for hand-held use in a non-vehicle setting. Cooper is the first inventor named on "Radio telephone system" filed on October 17, 1973 with the US Patent Office and later issued as US Patent 3,906,166;^[7] other named contributors on the patent included Cooper's boss, John F. Mitchell, Motorola's chief of portable communication products, who successfully pushed Motorola to develop wireless communication products that would be small enough to use outside the home, office or automobile and participated in the design of the cellular phone.^[8]^[9] Using a modern, if somewhat heavy portable handset, Cooper made the first call on a hand-held mobile phone on April 3, 1973 to a rival, Dr. Joel S. Engel of Bell Labs.^[10]

The first commercial citywide cellular network was launched in Japan by NTT in 1979. Fully automatic cellular networks were first introduced in the early to mid 1980s (the 1G generation). The Nordic Mobile Telephone (NMT) system went online in Denmark, Finland, Norway and Sweden in 1981.^[11]

Personal Handy-phone System mobiles and modems used in Japan around 1997–2003

In 1983, Motorola DynaTAC was the first approved mobile phone by FCC in the United States. In 1984, Bell Labs developed modern commercial cellular technology (based, to a large extent, on the Gladden, Parelman Patent), which employed multiple, centrally controlled base stations (cell sites), each providing service to a small area (a cell). The cell sites would be set up such that cells partially overlapped. In a cellular system, a signal between a base station (cell site) and a terminal (phone) only need be strong enough to reach between the two, so the same channel can be used simultaneously for separate conversations in different cells.

Cellular systems required several leaps of technology, including handover, which allowed a conversation to continue as a mobile phone traveled from cell to cell. This system included variable transmission power in both the base stations and the telephones (controlled by the base stations), which allowed range and cell size to vary. As the system expanded and neared capacity, the ability to reduce transmission power allowed new cells to be added, resulting in more, smaller cells and thus more capacity. The evidence of this growth can still be seen in the many older, tall cell site towers with no antennae on the upper parts of their towers. These sites originally created large cells, and so had their antennae mounted atop high towers; the towers were designed so that as the system expanded—and cell sizes shrank—the antennae could be lowered on their original masts to reduce range.

Management

2009-08-19T04:05:00.000-07:00

Management in all business and human organization activity is simply the act of getting people together to accomplish desired goals and objectives. Management comprises planning, organizing, staffing, leading or directing, and controlling an organization (a group of one or more people or entities) or effort for the purpose of accomplishing a goal. Resourcing encompasses the deployment and manipulation of human resources, financial resources, technological resources, and natural resources.

Overview

The verb manage comes from the Italian maneggiare (to handle — especially a horse), which in turn derives from the Latin manus (hand). The French word mesnagement (later ménagement) influenced the development in meaning of the English word management in the 17th and 18th centuries.^[1]

Some definitions of management are:

Organization and coordination of the activities of an enterprise in accordance with certain policies and in achievement of clearly defined objectives. Management is often included as a factor of production along with machines, materials, and money. According to the management guru Peter Drucker (1909–2005), the basic task of a management is twofold: marketing and innovation.

Directors and managers who have the power and responsibility to make decisions to manage an enterprise. As a discipline, management comprises the interlocking functions of formulating corporate policy and organizing, planning, controlling, and directing the firm's resources to achieve the policy's objectives. The size of management can range from one person in a small firm to hundreds or thousands of managers in multinational companies. In large firms the board of directors formulates the policy which is implemented by the chief executive officer.

Theoretical scope

Mary Parker Follett (1868–1933), who wrote on the topic in the early twentieth century, defined management as "the art of getting things done through people". She also described management as philosophy.^[2] One can also think of management functionally, as the action of measuring a quantity on a regular basis and of adjusting some initial plan; or as the actions taken to reach one's intended goal. This applies even in situations where planning does not take place. From this perspective, Frenchman Henri Fayol^[3] considers management to consist of seven functions:

planning
organizing
leading
co-ordinating
controlling
staffing
motivating

Some people, however, find this definition, while useful, far too narrow. The phrase "management is what managers do" occurs widely, suggesting the difficulty of defining management, the shifting nature of definitions, and the connection of managerial practices with the existence of a managerial cadre or class.

One habit of thought regards management as equivalent to "business administration" and thus excludes management in places outside commerce, as for example in charities and in the public sector. More realistically, however, every organization must manage its work, people, processes, technology, etc. in order to maximize its effectiveness. Nonetheless, many people refer to university departments which teach management as "business schools." Some institutions (such as the Harvard Business School) use that name while others (such as the Yale School of Management) employ the more inclusive term "management."

English speakers may also use the term "management" or "the management" as a collective word describing the managers of an organization, for example of a corporation. Historically this use of the term was often contrasted with the term "Labor" referring to those being managed.

Nature of managerial work

The neutrality of this section is disputed. Please see the discussion on the talk page. Please do not remove this message until the dispute is resolved. (December 2007)

In for-profit work, management has as its primary function the satisfaction of a range of stakeholders. This typically involves making a profit (for the shareholders), creating valued products at a reasonable cost (for customers), and providing rewarding employment opportunities (for employees). In nonprofit management, add the importance of keeping the faith of donors. In most models of management/governance, shareholders vote for the board of directors, and the board then hires senior management. Some organizations have experimented with other methods (such as employee-voting models) of selecting or reviewing managers; but this occurs only very rarely.

In the public sector of countries constituted as representative democracies, voters elect politicians to public office. Such politicians hire many managers and administrators, and in some countries like the United States political appointees lose their jobs on the election of a new president/governor/mayor.

Public, private, and voluntary sectors place different demands on managers, but all must retain the faith of those who select them (if they wish to retain their jobs), retain the faith of those people that fund the organization, and retain the faith of those who work for the organization. If they fail to convince employees of the advantages of staying rather than leaving, they may tip the organization into a downward spiral of hiring, training, firing, and recruiting. Management also has the task of innovating and of improving the functioning of organizations.