Binary, Denary, Hex, and Two's Complement Quiz

What is the binary representation of the denary number 13?

• 1000

• 1011

• 1110

• 1101

Convert the hexadecimal number 1A to binary.

• 11010

• 11100

• 10011

• 10101

Explain the two's complement method for representing negative numbers in binary.

• Adding 1 to the positive binary number

• Multiplying the positive binary number by -1

• Flipping the bits of the positive binary number and adding 1 to the result

• Dividing the positive binary number by 2

What is the denary equivalent of the binary number 101010?

• 101010

• 111000

• 110011

• 42

Convert the denary number -7 to binary using the two's complement method.

• 0111

• 1111

• 0000

• 1001

What is the hexadecimal representation of the binary number 110011?

• 78

• 33

• 4D

• A6

Describe the sign and magnitude method for representing negative numbers in binary.

• The leftmost bit represents the sign of the number and the remaining bits represent the magnitude.

• The rightmost bit represents the sign of the number and the remaining bits represent the magnitude.

• The sign is represented by the absence of a bit and the magnitude is represented by the presence of a bit.

• The sign is represented by a separate binary sequence and the magnitude is represented by another binary sequence.

What is the denary equivalent of the binary number 1111?

• 8

• 10

• 15

• 12

Convert the denary number 25 to hexadecimal.

• 2A

• 41

• 32

• 19

Explain the difference between denary, binary, and hexadecimal number systems.

• Denary is base 10, binary is base 2, and hexadecimal is base 16.

• Denary is base 3, binary is base 5, and hexadecimal is base 7.

• Denary is base 16, binary is base 10, and hexadecimal is base 2.

• Denary is base 5, binary is base 8, and hexadecimal is base 12.