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This article is about the machine. For other uses, see Computer (disambiguation). "Computer technology" redirects here. For the company, see Computer Technology Limited. Look up computer in Wiktionary, the free dictionary. The NASA Columbia Supercomputer.

A computer is a machine that manipulates data according to a list of instructions.

The first devices that resemble modern computers date to the mid-20th century (around 1940 - 1945), although the computer concept and various machines similar to computers existed earlier. Early electronic computers were the size of a large room, consuming as much power as several hundred modern personal computers.[1] Modern computers are based on tiny integrated circuits and are millions to billions of times more capable while occupying a fraction of the space.[2] Today, simple computers may be made small enough to fit into a wristwatch and be powered from a watch battery. Personal computers in various forms are icons of the Information Age and are what most people think of as "a computer"; however, the most common form of computer in use today is the embedded computer. Embedded computers are small, simple devices that are used to control other devices — for example, they may be found in machines ranging from fighter aircraft to industrial robots, digital cameras, and children's toys.

The ability to store and execute lists of instructions called programs makes computers extremely versatile and distinguishes them from calculators. The Church–Turing thesis is a mathematical statement of this versatility: any computer with a certain minimum capability is, in principle, capable of performing the same tasks that any other computer can perform. Therefore, computers with capability and complexity ranging from that of a personal digital assistant to a supercomputer are all able to perform the same computational tasks given enough time and storage capacity.

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Cell Phone Buyers Beware
Cell Phone Buyers Beware by Mike J Orange About the only piece of technology that now advances faster than that of computers is the cell phone but this can annoy many buyers; many buyers become

Snowboarding - Teacher blazes snowboard trail - Centretown News
Students from eight Ottawa high schools had the pleasure of carving up powder at the Ontario Federation of School Athletic Associations’ annual ... he teaches math and computers, works as a guidance counsellor, and coaches many sports, including

news 2 use: If you do not forget to to register, insure, protect new electronics
December 29, 2007 BY KIM KOMANDO GANNETT news SERVICE you’ve opened their Christmas gifts now, and, which her May a treasure trove of new digital good things — laptop have, digitally camera, iphone, Zune, ipod, Nintendo Wii, PlayStation and video games galore

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KGB Employee Monitor 4.22 Monitor employees or remote computers in real time with a centralized, computer-based surveillance system. Whether you are a manager or a system administrator, KGB Employee

Provide remote assistance to any PC (Desktop Sharing)
Many a times it so happens that our friends/family etc require support from us regarding their computers and need guidance as to how to proceed further, but as we are not sitting right next to them

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Hoy en mi lectura matinal de blogs, descubro una web increíble ... » Computers Blank CD & DVD Bluetooth & IrDA Cables & Adapters Card Readers Computer

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Microsoft employee lists reasons why to use Linux A Microsoft.com page from 2004 that explains "new" features in Windows XP. From the article: "Over time, computers get slower for a variety of reasons: files become disorganized, unnecessary software consumes resources, unused network drives slow startup, or too many

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Job Vacancies at Organised Mum
Boxhouse Publishing the company behind the Organised Mum brand a range of stationery designed to help organise busy lives is expanding its operation ... its one calendar or four thousand. Strong attention to detail and a basic working knowledge of computers

When Speed Was King: Vinod Dham and the Birth of the Pentium - MyNews.in
When Speed Was King: Vinod Dham and the Birth of the Pentium MyNews.in, India - 1 hour ago It seems like only yesterday that people were tapping away on computers powered by chips called 286, 386, and so on -- the so-called "X86" series of ...

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Last news

Officials find child pornography on 20,000 Va. computers
WASHINGTON — Law enforcement officials working undercover were sent child pornography files from nearly 20,000 private computers in Virginia over a 30-month period, according to a report by an expert on the distribution of Internet child porn.

Whistleblower: 'I gave computers'
"THE computers were not stolen by The Sunday Times. They were given to them by me.

Storm surge fries computers
A week after thunderstorms battered the metro area, many residents regaining power are finding problems with their computers - providing repair shops with weeks worth of work.

Tennessee: Kids to receive 3,000 free computers
Tennessee's economically disadvantaged students will receive 3,000 free computers in the next three years through the Computers 4 Kids initiative, officials announced Friday.

Police seize computers to determine if boy accessed child pornography
Little Elm police officers confiscated two computers from a 14-year-old boy who is suspected of accessing child pornography on his computer.

Tennessee kids from struggling families will get free computers
Tennessee's economically disadvantaged students will receive 3,000 free computers in the next three years through the Computers 4 Kids initiative, officials announced today.

Total Recall
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Ten Weirdest Types of Computers
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Top websites

PC World - Software, Hardware, Electronics & Gadgets Reviews, Downloads, How-To's & Pricing
Computer magazine helping managers plan what to buy, where to buy, and how to use the technologies to keep ahead of the competition.

Computers - BestBuy
Offers brand-name desktops, laptops, monitors, printers, networking equipment, software, and other computer products.

HP United States - Computers, Laptops, Servers, Printers and more
Worldwide maker of computers, PCs laptops, digital cameras, printers, scanners, software, monitors and projectors, servers, workstations, televisions, and DVD burners.

CompUSA.com - Computers, Laptops, Televisions, Software, and Electronics from the All-New CompUSA!
Shop CompUSA, retailer of personal computer hardware, software, accessories, and related products and services.

Gateway Computers & Home Electronics: Laptops, Notebooks, Monitors, Desktops, All-in-one, One, Displays
Allows customers to configure and buy their own Gateway PC, desktop, or portable computer online.

Computers - Amazon.com
Offers desktop and notebook computers from Sony, Apple, Toshiba, and other leading brands, as well as monitors, printers, accessories, and more.

Computer Hardware and Accessories, Memory, Storage, Printers, Laptop, components - Buy.com
Offers computer hardware, software, accessories, memory, storage, printers, and other products.

Dell | Corporate Information
Dell designs, builds, and customizes a broad range of computer products and services for consumer and professional use. Find out about special deals on PCs and shipping, buy a new computer online, or get customer service support.

Computers - How To Information - eHow.com
Research scores of software, hardware and operating systems and their accompanying computer models using eHow's vast reservoir of computer knowledge. Get the last...

Computers & Software - BizRate.com
Find Computers & Software at bargain prices. Comparison shop for the lowest prices, check store ratings & read product reviews before you buy.

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