Binary

How many bits are in a byte?

• 1

• 2

• 4

• 8

In computing, a bit is

• 8 bytes
• a single    0 or 1     on or off

How many colours can be used for each pixel if the colour depth is 4 bit?

• 4 colours
• 5 colours
• 15 colours
• 16 colours

What would be the colour depth of an image which can use up to 256 colours?

• 256 bit
• 8 bit
• 8 byte
• 256 byte

Denary is a base ____ number system

• 2

• 10

• 16

• 50

Binary is a base ______ number system

• 2

• 10

• 16

• 45

The following is a correct order of units of storage from lowest to highest:

• a bit, a nibble, a byte, a kilobyte, a megabyte, a gigabyte, a terabyte
• a bit, a byte, a nibble, a kilobyte, a megabyte, a gigabyte, a terabyte
• a bit, a nibble, a byte, a megabyte, a kilobyte, a gigabyte, a terabyte
• a byte, a bit, a nibble, a megabyte, a kilobyte, a gigabyte, a terabyte

Choose the best answer about character sets:

• All characters in character sets are stored in binary.
• Some characters in character sets are stored in binary.
• Only binary characters in character sets are stored in binary.

Pixel stands for:

• Picture Element

• Picture Cell

• Picture Length

Quality of an image depends on:

• Resolution
• Metadata
• Screen size
• Computer's speed