Year 9 Computing Quiz

What does CPU stand for?

• Control Processing Unit

• Central Power Unit

• Central Processing Unit

• Center Power Unit

What is the purpose of the CPU?

• To process all the data and instructions.

• To turn the computer on.

• To create PowerPoint presentations.

• To provide power to the computer.

Looking at the value of each column

what is this binary number worth ?

• 2

• 4

• 6

• 8

Looking at the value of each column

what is this binary number worth ?

• 64

• 1

• 65

• 8

Looking at the value of each column

what is this binary number worth ?

• 32

• 96

• 64

• 128

Looking at the value of each column

what is this binary number worth ?

• 2

• 128

• 132

• 130

CONVERT the binary number

00 00 11 00

• 1100

• 12

• 16

• 8

Convert the binary number

00 00 01 11

• 15

• 13

• 9

• 7

Convert the binary number

10 00 01 00

• 128

• 4

• 130

• 132

Convert the DECIMAL number

16

• 00 00 00 10

• 00 00 01 10

• 00 01 00 00

• 10 00 00 00