GATE CSE: Digital logic

Question 1 of 10

The minimum number of 2-input NAND gates needed to build XOR is:

Question 2 of 10

What is the 8-bit two's complement of 00010110?

Question 3 of 10

An 8-bit two's complement number ranges from:

Question 4 of 10

A + A'B simplifies to:

Question 5 of 10

A 4-to-1 multiplexer has how many select lines?

Question 6 of 10

A mod-10 counter needs at least how many flip-flops?

Question 7 of 10

Which flip-flop changes state on every clock edge when its input is 1?

Question 8 of 10

(1101.1)₂ in decimal is:

Question 9 of 10

A truth table for a function of 5 inputs has how many rows?

Question 10 of 10

The dual of the identity A + 0 = A is: