Binary Numbers and Hexadecimal Quiz

What is the base of the binary number system?

• 8

• 10

• 16

• 2

How many different digits are used in the binary number system?

• 2

• 8

• 10

• 16

What is the largest value that can be represented by a 4-bit binary number?

• 7

• 8

• 15

• 16

What is the binary equivalent of the denary number 9?

• 1001

• 1010

• 1100

• 1111

What is the denary equivalent of the binary number 00110101?

• 32

• 53

• 64

• 128

What is the most significant bit in a binary number?

• The left-most bit

• The right-most bit

• The middle bit

• There is no most significant bit

What is the purpose of using hexadecimal in programming?

• To make numbers shorter

• To reduce input errors

• To simplify conversions

• All of the above

What is the denary value of the hexadecimal character 'A'?

• 9

• 10

• 11

• 12

What is the binary equivalent of the hexadecimal number '8C'?

• 10001100

• 11001100

• 11110000

• 10101010

What is the effect of a left binary shift on a binary number?

• Multiplication

• Division

• Addition

• Subtraction