Arithmetic Operations and Circuits - Technical MCQs
Q1: The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits:A
increase ripple delay
B
add a 1 to complemented inputs
C
reduce propagation delay
D
determine sign and magnitude
ANS:C - reduce propagation delay Look-ahead and carry adders are low delay based adders&high speed. |
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