Aspire Faculty ID #17374 · Topic: CUET MCA 2026 · Just now
CUET MCA 2026

Which of the following are combinational circuit

A. Half adder

B. SR flip flop

C. Full adder

D. D flip flop

Options:

(a) A, C

(b) B, D

(c) B, C, D

(d) A, B, C, D

Solution

Half Adder → Combinational circuit
Full Adder → Combinational circuit

SR Flip Flop → Sequential circuit
D Flip Flop → Sequential circuit

Combinational circuits depend only on present input, while sequential circuits depend on present input and previous state.

Correct Answer: (a) A, C

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