Binary and Hexadecimal Quiz

What is the binary equivalent of the decimal number 25?

• 11001

• 10110

• 10011

• 11100

Which of the following is the hexadecimal equivalent of the binary number 10110111?

• B7

• 6F

• A9

• D2

What is the result of adding the binary numbers 1101 and 1011?

• 11000

• 10110

• 10100

• 10010

Which binary number represents the decimal value 15?

• 1110

• 1111

• 1011

• 1101

Convert the hexadecimal number A3 to binary.

• 10100011

• 11000011

• 11100010

• 10101001

What is the 2's complement of the binary number 01101?

• 10011

• 01101

• 11011

• 10111

Which of the following represents the octal equivalent of the binary number 110101?

• 65

• 75

• 31

• 45

What is the binary equivalent of the hexadecimal number 1F?

• 11110

• 11011

• 10110

• 11111

How many bits are needed to represent the decimal number 128 in binary?

• 6

• 7

• 8

• 9

Which of the following is the binary equivalent of the decimal number 7?

• 111

• 101

• 110

• 100