List of top Computer Science Questions on Logic Circuits

Match List-I with List-II.

List-IList-II
A. ANDI. Output 1 only if both inputs are 1
B. ORII. Output 1 if any input is 1
C. NANDIII. Output 0 only if both inputs are 1
D. NORIV. Output 1 only if both inputs are 0


Choose the correct answer from the options given below:

Which of the following are Combinational Circuit?
• [A.] Half adder
• [B.] SR flip-flop
• [C.] Full adder
• [D.] D flip-flop
Choose the correct answer from the options given below:
The length of the number of data elements of the array can be obtained from the index set by which of the following formula?

Match List-I with List-II.

List-IList-II
A. ANDI. Output 1 only if both inputs are 1
B. ORII. Output 1 if any input is 1
C. NANDIII. Output 0 only if both inputs are 1
D. NORIV. Output 1 only if both inputs are 0


Choose the correct answer from the options given below:

Which of the following are Combinational Circuit?
• [A.] Half adder
• [B.] SR flip-flop
• [C.] Full adder
• [D.] D flip-flop
Choose the correct answer from the options given below:
The length of the number of data elements of the array can be obtained from the index set by which of the following formula?
Consider the following statements.
(A) Combinational logic circuits do not have memory, while sequential logic circuits have memory elements.
(B) Sequential logic circuits depend only on the current inputs, while combinational logic circuits depend on both current and past inputs.
(C) Flip-flops and latches are examples of combinational logic circuits.
(D) Multiplexer is an example of combinational logic circuit.