What is the 2’s complement representation of -5 using 8 bits?

Options

  • A. 00000101
  • B. 11111010
  • C. 11111011
  • D. 10000101
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. 11111011

Detailed Explanation

Correct Answer: (C) 11111011
First write +5 in 8-bit binary: 00000101.
Invert all bits: 11111010.
Add 1: 11111010 + 1 = 11111011. This is the 8-bit 2’s complement representation of -5.