Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Digital Electronics Logic Gates and Boolean Algebra Logic Gates
Which of the following logic gates are called ‘universal gates’?
1
NOR and NAND gates
2
OR and NOR gates
3
AND and NAND gates
4
More than one of the above
5
None of the above