List of top Computer Science & Information Technology Questions on Digital Logic

Which gate is used for Boolean addition?

In a 4-bit ripple carry adder, the worst-case delay occurs when _______.

Which of these flip-flops cannot be used to construct a serial shift register?

The output of a JK flip-flop for inputs \( J=1, K=1 \) and clock transition from 1 to 0 is _______.

Assuming 5-bit addition is done on registers, the sum \( 12 + 7 \) leads to _______.

What is the minimal sum of products form of $F(A, B, C, D) = AB + \overline{A}BC + \overline{A}B\overline{C}D$?

Which of the following expression is a tautology?

The 2’s complement representation of the decimal value $-15$ is

Which flip flop is commonly used for counters and shift registers?

$(217)_8$ is equivalent to

What are the minimum number of gates required to implement Half adder if we have to use only two input NOR gates?