Sequential-Circuits
October 26, 2023GATE 1999
October 26, 2023Digital-Logic-Design
| Question 20 |
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
| proportional to N | |
| proportional to log N | |
| a constant | |
| None of the above |
Correct Answer: B