How Computers Work

How Computers Work - notebook computers Fits on a desktop...

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Click to edit Master subtitle style 7/21/11 How Computers Work By Brandon Hunter
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7/21/11 So what is a computer, really? A computer is an electronic device that receives data (input), processes data, stores data, and produces a result (output). It performs only three operations Arithmetic operations (adding, subtracting, dividing, and
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7/21/11 Types of Computers Type Size Power Purpose Supercomputer s Largest Fastest processing speeds compared to other computers Cost can be several million dollars For corporations with lots of data to be processed Mainframe computers Large Less powerful than supercomputers but large compared to personal computers Can cost hundreds of thousands of dollars Performs centralized processing tasks for many users Minicomputers Larger than microcomputers but smaller than mainframe computers Same as microcomputers Used for companies with many users and large amounts of data and can run on any computer hardware Microcomputers and
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Unformatted text preview: notebook computers Fits on a desktop Not meant for large amount of data Writing papers, tracking finances, playing games, connecting to the Internet. 7/21/11 Software System Software 1. Controls access to hardware 2. Operating system 3. Language translators 4. Utility programs 7/21/11 Types of Operating Systems Operating System Features Windows Vista Includes improved security; desktop searching; and synchronization with mobile devices, cameras, and Internet services Windows XP Reliable, robust operating system for powerful PCs with versions for both home and corporate users. Windows Server 2003 Most recent Windows operating system for servers. Mac OS X Operating system for the Macintosh computer. Is stable and reliable, with powerful search capabilities UNIX Used for powerful PCs, workstations, and network servers. Supports multitasking, multiuser processing, and networking....
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This note was uploaded on 07/21/2011 for the course IT 205 taught by Professor Kurts during the Summer '08 term at University of Phoenix.

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How Computers Work - notebook computers Fits on a desktop...

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