How many different Boolean functions can be defined using 2 input variables?

Options

  • A. 4
  • B. 8
  • C. 16
  • D. 32
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. 16

Detailed Explanation

Explanation: For n input variables, the number of possible Boolean functions is 2^(2^n). For 2 inputs, 2^(2^2) = 2^4 = 16 Boolean functions.