Synchronous counter - Propagation delay

Q.  Why is the extent of propagation delay in synchronous counter much lesser than that of asynchronous counter?
- Published on 29 Sep 15

a. Due to clocking of all flip flops at the same instant
b. Due to increase in number of states
c. Due to absence of connection between output of preceding flip flop and clock of next one
d. Due to absence of mode control operation

ANSWER: Due to clocking of all flip flops at the same instant

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