Year 8 Half Term 1 Summary quiz

Convert the binary number 1010 to decimal.

• 100

• 10

• 15

• 5

Convert the decimal number 25 to binary.

• 10010

• 11111

• 11001

• 10101

Convert the binary number 00011010 to hexadecimal.

• 1A

• 1C

• 1B

• 1D

Convert the hexadecimal number 2F to binary.

• 00101111

• 11101111

• 11011111

• 10101111

What is the smallest unit of data storage?

• bit

• gigabyte

• megabyte

• byte

Which unit of data storage is larger: kilobyte or megabyte?

• gigabyte

• kilobyte

• terabyte

• megabyte

How many bits are in a byte?

• 8

• 4

• 16

• 32

What is the binary representation of the decimal number 10?

• 1010

• 0101

• 1100

• 1111

What is the decimal representation of the binary number 00001111?

• 12

• 7

• 10

• 15

What is the hexadecimal representation of the decimal number 20?

• A

• B

• 14

• C