A computer is a machine for manipulating data according to a list of instructions known as a program.
Computers are extremely versatile. In fact, they are universal information-processing machines. According to the Church–Turing thesis, a computer with a certain minimum threshold capability is in principle capable of performing the tasks of any other computer, from those of a personal digital assistant to a supercomputer, as long as time and memory capacity are not considerations. Therefore, the same computer designs may be adapted for tasks ranging from processing company payrolls to controlling unmanned spaceflights. Due to technological advancement, modern electronic computers are exponentially more capable than those of preceding generations (a phenomenon partially described by Moore's Law).
Computers take numerous physical forms. Early electronic computers were the size of a large room, and such enormous computing facilities still exist for specialized scientific computation — supercomputers — and for the transaction processing requirements of large companies, generally called mainframes. Smaller computers for individual use, called personal computers, and their portable equivalent, the laptop computer, are ubiquitous information-processing and communication tools and are perhaps what most non-experts think of as "a computer". However, the most common form of computer in use today is the embedded computer, small computers used to control another device. Embedded computers control machines from fighter aircraft to digital cameras.
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Computer Hardware
Stores :: Hacking
Geeks and Nerds :: Subcultures

Fraglesstees - A small selection of computer, geek, and gaming shirts.
Meta Description: [ Gaming Tees for the Masses!! Computer Geek and Gaming Shirt! ]
FreeToBeGeek - Geek focused Linux shirts.
Geek Shop - Linux and Tux shirts.
Meta Description: [ Order online geek cdroms and tshirts ]
Hackerstickers Clothing - T-Shirts and hats for geek guys and girls.
500
Load Rage - Retro gaming designs.
Meta Description: [ Re-live the summer of '86 this summer with our newest range of high-quality retro game arcade inspired t-shirts and clothing. The retrogame t-shirts come in three flavours.... ]
Nosediver Tech Apparel - Designs for programmers, linux hackers, and open source coders.
Meta Description: [ Your online source for buffing,
polishing, and power tool accessories! New Paint and Wash mitts. Check
out our hot buys. ]
NTKmart - Anarchic geek designs for those that Need To Know. UK-based.
OffLine - Featuring MMORPG, computer lifestyle, and fantasy shirts.
Meta Description: [ Hundreds of Original T-shirts for Computer Geeks, MMORPG, RPG, and FPS Gaming Freaks, Fantasy Lovers and anyone who enjoys strange humor. Over 10 t-shirt styles for men and women plus mugs, hats, buttons and stickers. ]
Omega Impressions - T-shirts and baseball shirts with a small collection of geekish slogans, including a NetHack screen shot.
Openstuff - Linux/Tux, Debian, and FSF shirts and ties, plus other open source clothing and novelty items for European geeks.
Meta Description: [ Linux store for european geeks: tshirts debian, tux ties, fsf shirts. ]
ShirtMonger.com - Linux and classic video game designs.
Meta Description: [ T-Shirt designs for everybody. ]
SplitReason.com! - Gamer and gamer logo products, t-shirts, Stikfas and Super Mario toys.
Meta Description: [ Selling t-shirts, hats, and other apparel and products for geeks, gamers, computer programmers, and digital musicenthusiasts. ]
SysWear - Humorous computer-oriented t-shirts.
Meta Description: [ An online t-shirt store selling tech themed clothing to the geeks and gamers of the internet. ]
Wonkwear - Small collection of T-shirt slogans for gamers, geeks, and sysadmins.
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