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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
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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