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Counters - Technical MCQs

Q1:

What is the difference between combinational logic and sequential logic?

A Combinational circuits are not triggered by timing pulses, sequential circuits are triggered by timing pulses.

B Combinational and sequential circuits are both triggered by timing pulses.

C Neither circuit is triggered by timing pulses.

ANS:A - Combinational circuits are not triggered by timing pulses, sequential circuits are triggered by timing pulses.

A latch is not triggered. Is this a sequential circuit or a combinational one?

Well what I think is a combinational circuit works on the present input only whereas a sequential circuit also depends on the past output.