Answer / mohammed shahnawaz

in sync mode, operation is performed with respect to
clock<timing is maintained>.used in time based
application.eg:traffic signal<exceppt during peak hours,and
emergency such as ambulance,etc
in asynch mode,operation is performed without a
clock.eg;fire alarm system.

Answer / bhavana

Synchronous is based on Edge Triggering
Asynchronous is based on Level Triggering

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