Data Units

Question 1

Why do computers use binary?

Answer 1

• Computer systems consist of billions of tiny transistors which are switches that only have two values - on (1) or off (0).
• Therefore, all data must be represented and processed in this way.

Question 2

4 bits =

Answer 2

Nibble

Question 3

8 bits =

Answer 3

Byte

Question 4

1,000 bytes

Answer 4

Kilobyte

Question 5

1,000 kilobytes

Answer 5

Megabyte

Question 6

1,000 megabytes

Answer 6

Gigabyte

Question 7

1,000 gigabytes

Answer 7

Terabyte

Question 8

1,000 terabytes

Answer 8

Petabyte