How Computers Work Review

Front

How many megabytes are in a gigabyte?

Back

1000

Front

Which tells the computer what to do, like open a file or play a game?

Back

Operating system

Front

What is the role of the central processing unit (CPU) in a computer?

Back

It interprets and executes instructions.

Front

What is the primary function of a disk cache?

Back

To store data used often

Front

What type of data can users enter as input?

Back

Text, images, and sounds

Front

What is the role of a scanner in input devices?

Back

To convert images into digital format

Front

What is the function of emulating in computers?

Back

To copy another platform's system

Front

What is the role of RAM in a computer?

Back

To store temporary instructions and data

Front

In an analog system, how does data vary?

Back

Continuously in strength or quality

Front

What are some characteristics of a digital system?

Back

Uses electricity and may be automated