According to De Morgan’s theorem, what is the complement of A + B?

Options

  • A. A' + B'
  • B. A' · B'
  • C. A · B
  • D. A + B
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. A' · B'

Detailed Explanation

Explanation:
According to De Morgan’s first theorem:
(A + B)' = A' · B'
The complement of an OR operation is equivalent to the AND operation of the individual complements.