What are the difference between the combinational circuits and sequential circuits?
flipflops,registers,adders..etc are used in circuits in electronic circuits analysis.
Sequential circuits have memory elements because their present or current output depends on the present inputs and the past history of inputs. What I mean is, the o/p of the Sequential ckt may depend on the past inputs and so it should have some kind of memory to store the state of past i/p's.
Combinational circuits have no memory elements and their present o/p depends on present i/p's only. If you change the i/p's the ckt keeps no knowledge of previous i/p.
A sequential ckt is basically a combination of combinational ckt and memory.
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