1) Describe why NAND gate is called Universal gate?
2) What do you mean by an error detection codes?
3) Write down and prove Demorgan’s Theorem.
4) Simplify the Boolean function F = x’yz + xy’z + xyz + xyz’?
5) Write down the logic diagram of a half adder?
6) Compare Multiplexer with Demultiplexer?
7) What is T flip-flop? Describe in detail with suitable diagram.
8) Write down the logic diagram of a 4-bit register.
9) What is meant by Ripple counter?
10) Explain BCD counter in detail with suitable example.