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Computers and How They Work

Computer Terms

Tools

A	B
Four main functions	Memory, Processing, Input, Output
Memory is measured in	Bytes
ROM	Read only memory
RAM	Random Access Memory
Multitasking	able to run more than one program
temporary memory	cache
Brains of the computer	microprocessor
Most common output device	monitor or screen
Most common input device	keyboard
CPU	Central Processing Unit
PC	Personal Computer
Modem	Standard method of connecting to the internet