Data Representation

What number system is primarily used by computers?

• Decimal

• Binary

• Octal

• Hexadecimal

What does 1 byte equal to?

• 4 bits

• 8 bits

• 16 bits

• 2 bits

Which of the following is a hexadecimal number?

• 1101

• 128

• 7F

• 1001X

What is the binary equivalent of the decimal number 13?

• 1101

• 1011

• 1001

• 1110

ASCII is used to represent:

• Images

• Colors

• Text characters

• Videos

Binary numbers use digits from 0 to 9.

• True

• False

The hexadecimal number system uses digits from 0 to F.

• True

• False

Unicode can represent more characters than ASCII.

• True

• False

Text, images, audio, and video can all be represented in binary.

• True

• False

All data in a computer is ultimately represented in binary.

• True

• False