X1 X2 X3 X4 Z1z2 00 0001 0 0 011 0 0 0 00 1 01 000 0 0101 0 1 0 0 1 1 1 10001 1 011 Table Q37065106 December 7, 2021 by Administrator X1 X2 X3 X4 Z1Z2 00 0001 0 0 011 0 0 0 00 1 01 000 0 0101 0 1 0 0 1 1 1 10001 1 011 Table 1: Truth table for Z1 and OR OR