1.Sync. ckts all f/fs are clocked by single clock.
Async. ckts o/p of f/f becomes clk for next f/f.
2. Sync ckts are fast.
Async ckts are slow.
3.Sync.ckts are easy to design.
Async.ckts are difficult to design.
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A: A digital counter can be made to run synchronous with the clock meaning events will coincide with the clock. Asynchronous means that it is free running even thought there is a clock.
it can be either, depending on parts used in the circuit and their connections.
a sequential circuit is an interconnection of combinational circuit and storage elements.The storage elements is called flip-flop,store binary information that indicates the sequentiol circuit at that time.
combinational circuit
yes
hazards in combinational and sequential circuits