Computer Systems

input and outputs

user interfaces e.c.t

?
What is a CPU?
Central processing unit
1 of 5
What is an input device?
allows user to enter data into a system Examples include keyboards and scanners.
2 of 5
What is an output device?
allows the system to transfer, or display (output) data. Examples include printers and monitors.
3 of 5
What is ROM?
read-only memory contains the commands that are designed to be read only, such as the system’s boot-up instructions
4 of 5
What is RAM?
random-access memory holds the data needed by the programs currently in use.
5 of 5

Other cards in this set

Card 2

Front

What is an input device?

Back

allows user to enter data into a system Examples include keyboards and scanners.

Card 3

Front

What is an output device?

Back

Preview of the front of card 3

Card 4

Front

What is ROM?

Back

Preview of the front of card 4

Card 5

Front

What is RAM?

Back

Preview of the front of card 5

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