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Inside the Computer

Inside the Computer . Mr. Rowe Computer Tech 2011-2012. Something goes in. What went in gets changed. What comes out is different. Let’s take a look at some key computer terms and what goes on INSIDE the Grinder. System unit.

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Inside the Computer

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  1. Inside the Computer Mr. Rowe Computer Tech 2011-2012

  2. Something goes in What went in gets changed What comes out is different

  3. Let’s take a look at some key computer terms and what goes on INSIDE the Grinder

  4. System unit • Sometimes called the chassis. A box-like case made from metal or plastic that protecs the internal electronic components of the computer from damage.

  5. CPU • Central Processing Unit. Also called the processor. The electronic device that interprets and carries out the basic instructions that operate the computer.

  6. CPU • Central Processing Unit. Also called the processor. The electronic device that interprets and carries out the basic instructions that operate the computer.

  7. Hertz • One Hertz = one cycle per second. • Megahertz = one millions cycles per second. The common measure of speed for processors and electronic activities inside the computer.

  8. Hard Drive • A data storage medium that houses all of the electronic information and software programs on your computer.

  9. Storage devices • Hardware used to record and retrieve items to and from a storage medium; often functions as a source of input because it transfers items from storage into memory.

  10. Input devices • Any hardware component that allows a user to enter data, programs, commands, and user responses into a computer. Includes the keyboard, mouse, microphone, digital camera, scanner, etc.

  11. Output devices • Any hardware component that can convey information to a user. Includes display devices, printers, monitors, speakers, headsets, data projectors, fax machines, etc.

  12. Peripheral devices • Any external device that attaches to the system unit such as keyboard, mouse, printer, etc.

  13. Taking a look inside the unit • http://computer.howstuffworks.com/inside-computer.htm Scroll down to see the video window; play the video which illustrates a “CPU”

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