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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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MSN Shopping: Results for Digital Cameras
Canon PowerShot SX100 IS - digital camera - on sale from $197.95
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Thu, 22 May 2008 00:00:00 -0000
Given the success of Canon's highly acclaimed G Series, it's no surprise that ambitious photographers have been eagerly anticipating the next model in its evolution. The wait has paid off handsomely with the introduction of the PowerShot...
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Thu, 22 May 2008 00:00:00 -0000
Memorable photos are at your fingertips with two new slim, yet powerful Sony Cyber-shot T-series camera. This camera offers an intuitive touch screen that allows you to instantly select the subject you want to focus on (in shooting mode)...
123 Computer Books - Selection of new books.
Book Pool - Technical and computer books.
Computer Courseware - Supplier of books and training materials for the computer professional.
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Digital Guru - Online computer bookstore featuring books and training.
Fire in the Valley - Paul Freiberger and Michael Swaine's account of the beginning of Silicon Valley and the personal computer.
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ITIL Service Management - A series of documents that are used to aid the implementation of a framework for IT Service Management.
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Manning Publications - Publishes computer books for professionals. Includes catalog and history.
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Safari - O'Reilly Books Online - Selected technical books.
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Web Hosting - Carl Burnham's book on reselling web services, and web hosting options. Overview of the market, security and infrastructure.
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| MISTAKE AT THE START LOL. I HIT MA FOOT ON THE CORNER OF MA COMPUTER NEX TO THE COMP MONITOR!!! DW I WAS OK.. | |
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