Question

What is the number of boolean function of four variables

• A. 16
• B. 256
• C. 512
• D. $2^{16}$

Answer 1

Answer: (D)

$2^{16}$

The number of Boolean function of four variables is 2^16.

Boolean functionis a function of the form ƒ : B^k → B, where B = {0, 1} is a Boolean domain and k is a non-negative integer called the arity of the function.