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Digital Concepts - Technical MCQs

Q1:

What is one relative disadvantage of serial transfer?

A It requires too many conductors.

B Its interconnect system is complex.

C It is slow.

D It can only be used over very short distances.

ANS:C - It is slow.

As we know serial adder is the sequential circuit, and the conversion time is T conversion = NT that is addition of bit is depend on no of bit so for this reason this is not widely used. And carry look ahead adder is use for fast conversion.