Sequential-Circuits
October 26, 2023GATE 1999
October 26, 2023Digital-Logic-Design
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Question 20
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An N-bit carry look ahead adder, where N is a multiple of 4, employs ICs 74181 (4 bit ALU) and 74182 (4 bit carry look ahead generator).
The minimum addition time using the best architecture for this adder is
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proportional to N
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proportional to log N
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a constant
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None of the above
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Correct Answer: B