Two or more ones

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.

Problem information

Author: Jordi Cortadella

Generation: 2026-02-03T12:16:17.777Z

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