Binary and Hexadecimal Quiz

Which of the following is the binary representation of the decimal number 57?

• 111001

• 101101

• 111000

• 100111

Which of the following binary numbers represents the largest value in an 8-bit signed number system using 2's complement?

• 01111111

• 10000000

• 11111111

• 11000000

What is the result of the 2's complement of the binary number 101011?

• 010101

• 110101

• 010110

• 110111

What is the binary equivalent of the decimal number 43?

• 101101

• 101011

• 100101

• 110101

Which of the following is the correct binary code for the decimal number 25 using 8-bit representation?

• 00011001

• 11001100

• 10100111

• 11111001

What is the decimal equivalent of the 2's complement representation 11110110?

• -10

• -5

• -6

• -4

Which logic gate is represented by the Boolean expression A + B?

• AND Gate

• OR Gate

• NOT Gate

• NAND Gate

What is the binary equivalent of the hexadecimal number 3F?

• 111111

• 00111111

• 111110

• 111101

Convert the decimal number 215 to its binary equivalent.

• 11010111

• 11011011

• 10110111

• 11101011

What is the hexadecimal equivalent of the decimal number 255?

• FF

• 7F

• 100

• E0