What is the 2's complement of the binary number 0101?

Options

  • A. 1010
  • B. 1011
  • C. 1100
  • D. 1110
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. 1011

Detailed Explanation

Explanation: To find 2's complement, first calculate 1's complement and then add 1.
0101 → 1010 + 1 = 1011.