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

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Presentation on theme: "Inside the Computer Mr. Rowe Computer Tech 2011-2012."— Presentation transcript:

1 Inside the Computer Mr. Rowe Computer Tech

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

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

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

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

9 Storage devices O 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 O 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 O 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 O Any external device that attaches to the system unit such as keyboard, mouse, printer, etc.

13 Taking a look inside the unit O computer.htm computer.htm Scroll down to see the video window; play the video which illustrates a “CPU”


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