Binary Number System Quiz

What digits are used in the binary number system?

• 0–9

• 1–9

• 0 and 1

• 1 and 2

What is the base of the denary number system?

• 2

• 8

• 10

• 16

What is the binary representation of the denary number 13?

• 1101

• 1011

• 1110

• 1001

What does the binary number 00001111₂ represent in denary?

• 11

• 15

• 8

• 7

What is the value of the most significant bit (MSB) in 10000000₂?

• 1

• 0

• 128

• 8

What is the place value of the third digit from the right in binary?

• 2

• 4

• 8

• 16

Which of the following binary numbers equals 255 in denary?

• 11111111

• 11110000

• 10101010

• 00001111

What is the denary value of 01010101₂?

• 85

• 45

• 95

• 75

How many bits are in one byte?

• 4

• 8

• 16

• 32

What is the binary equivalent of the denary number 25?

• 11001

• 10101

• 11100

• 10011