According to De Morgan's law, (A + B)' equals:

  1. (AB)'
  2. AB
  3. A'B'
  4. A' + B'
Answer

C) A'B'

Break the bar and change the sign: NOT(A OR B) = NOT A AND NOT B. SLO CS-11-A-01

Computer Science MCQ · More Unit 1: Computer Systems MCQs · Practise