Computer Number Systems

What is the base of the Binary Number System?

• 2

• 8

• 16

• 5

How many digits are used in the Decimal Number System?

• 12

• 5

• 8

• 10

What is the base of the Octal Number System?

• 2

• 8

• 10

• 16

Which alphabet is used in the Hexadecimal Number System after 9?

• C

• B

• A

• D

Convert the binary number 1010 to decimal.

• 10

• 1111

• 101

• 1100

Convert the decimal number 25 to binary.

• 11001

• 11100

• 10011

• 10101

Convert the octal number 34 to binary.

• 011101

• 011110

• 011100

• 011111

Convert the hexadecimal number 1A to binary.

• 00111010

• 00011011

• 00011100

• 00011010

What is the value of 1101 in decimal?

• 13

• 16

• 15

• 14

What is the value of 47 in octal?

• 77

• 67

• 57

• 37