In even parity, what should be the total number of 1s including the parity bit?

Options

  • A. Always odd
  • B. Always even
  • C. Always zero
  • D. Always one
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Always even

Detailed Explanation

Correct Answer: (B) Always even
In even parity, the parity bit is selected so that the total number of 1s in the data and parity bit is even. For example, data 1011 contains three 1s, so the parity bit is 1.