The carry propagation delay in 4-bit full-adder circuits ____________. – McqOptions

MCQOPTIONS

1.	The carry propagation delay in 4-bit full-adder circuits ____________.
A.	is normally not a consideration because the delays are usually in the nanosecond range
B.	is cumulative for each stage and limits the speed at which arithmetic operations are performed
C.	decreases in direct ratio to the total number of full-adder stages
D.	increases in direct ratio to the total number of full-adder stages, but is not a factor in limiting the speed of arithmetic operations
Answer» C. decreases in direct ratio to the total number of full-adder stages

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