An N-bit carry lookahead adder, where N is a multiple of 4, employs ICs 74181 (4-bit ALU) and 74182 (4-bit carry lookahead generator). The minimum addition time using the best architecture for this adder is:

Last Updated :
Discuss
Comments

An N-bit carry lookahead adder, where N is a multiple of 4, employs ICs 74181 (4-bit ALU) and 74182 (4-bit carry lookahead generator). The minimum addition time using the best architecture for this adder is:

(GATE 1997 | MCQ | 2 marks)

proportional to N

proportional to logN

a constant

None of the above

This question is part of this quiz :

Digital Logic & Number representation,GATE-CS-2007,Combinational Circuits,Digital Logic GATE CS PYQ Quiz,Number System in Digital logic PYQ quiz GATE CS
Tags:
Computer Organization and Architecture
GATE
Digital Logic
GATE CS
+1 More
Share your thoughts in the comments