Data Representation

The smallest unit of data stored in an image file is called:

• Pixels
• Resolution
• Alpha
• Bitmap.

Bitmap graphics are made up of

• dots.

• images.

• mathematics formulas.

• coloured pixels.

A character set is...

• What language can be used in a computer system.
• The fonts that a computer has installed.
• The possible characters that can be represented by a computer system.

The (standard) ASCII code is capable of representing non-European languages.

• True
• False

Convert the binary number 1001 to denary.

• 4

• 5

• 9

• 11

Convert the binary number 1110 to denary.

• 3

• 10

• 15

• 14

Convert the binary number 1010 to denary.

• 8

• 10

• 9

• 7

Convert the denary number 4 to binary.

• 1000

• 0101

• 0010

• 0100

Convert the denary number 14 to binary.

• 1110

• 1100

• 1011

• 0101

What can a bit hold?

• 1 and 0

• 1 or 0