GateQA is a free GATE CS preparation platform featuring 3,500+ previous-year questions (1987–2026),
36,000+ aptitude questions, subject-wise and year-wise mock tests, performance analytics,
and full offline support. Practice Operating Systems, Algorithms, DBMS, Computer Networks,
Theory of Computation, Discrete Mathematics, Compiler Design, Digital Logic, and more.
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…
Answer: B
This static SEO snapshot loads the full interactive GateQA app when JavaScript is available.