Tuesday, December 8, 2009

Revieew on pages 36-43 COMPUTERS!

-What are the four basic functions of a computer?
The four basic units of a computer is an output device, and input device, a memory board, and a microprocessor.
- What does CPU stand for?
CPU stands for Central Processing Unit. Its is the brain of the computer.
- Explain what a bit is.
A bit is a binary number. It is the smallest unit of information a computer can process.
- Name two codes used to convert words, etc. into bits.
One cods is ASCII (American Standard Code for Information) and Unicode.
- Why is informations stored in some kind of binary format in computers?
Information is stored in some kind of binary format in computers because computer chips are made with transistors that can only be on or off position.

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