Two or more ones X67345

Design a circuit that receives four inputs and produces one output. The output must be 1 when there are two or more inputs at 1. Otherwise, the output must be 0.

Specification

module two_or_more_ones(a, b, c, d, out); input a, b, c, d; output out;

Input

• a, b, c and d are the four inputs.

Output

• out is the output.