Year 8 Spring 2 Independent Learning - Data Rep

What is the binary representation of the decimal number 10?

• 1010

• 1100

• 1001

• 1110

What is the main difference between ASCII and Unicode?

• ASCII uses more bits than Unicode

• Unicode can represent more characters than ASCII

• ASCII is used for images, Unicode is used for text

• Unicode is older than ASCII

How many bits are there in a byte?

• 4

• 8

• 16

• 32

What is the binary equivalent of the decimal number 5?

• 101

• 110

• 111

• 100

Which of the following is a binary unit of measurement?

• Kilometre

• Megabyte

• Pound

• Ounce

How many different values can be represented with 3 bits?

• 4

• 6

• 8

• 10

Which of the following is NOT a binary unit?

• Byte

• Bit

• Kilogram

• Gigabyte

Convert the binary number 1101 to its decimal equivalent.

• 11

• 12

• 13

• 14

Convert the decimal number 7 to its binary equivalent.

• 111

• 101

• 110

• 100

What is the decimal equivalent of the binary number 1010?

• 8

• 9

• 10

• 11