Year 9 Computer Science Mid Term Exam Practice

What is the binary equivalent of the denary number 8?

• 1001

• 1000

• 1010

• 1100

Convert the denary number 5 to binary.

• 1010

• 111

• 101

• 1001

Enter the binary equivalent of the denary number 13:

Convert 23 in denary to binary.

Which binary number represents 20 in denary?

• 10100

• 10010

• 10001

• 11000

Convert the denary number 3 to binary.

• 10

• 100

• 11

• 101

Enter the binary equivalent of the denary number 15:

Convert the denary number 12 to binary.

• 1010

• 1110

• 1100

• 1001

What is the binary equivalent of the denary number 7?

• 111

• 110

• 101

• 100

Enter the binary equivalent of the denary number 18: