TS EAMCET 11-Sep-2020 Shift 2 Solved Paper

The Boolean expression of NOR gate is
Y=A+B
where, A and B are inputs and Y is the output.
Truth table of NOR gate is

A	B	Y=A+B
0	0	1
0	1	0
1	0	0
1	1	0

Hence, when all inputs (A and B ) are low (0), then output of NOR gate is high (1).