GATE CSE · 2026 · CS2
Question 59: Digital Logic
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Question 59
CS2NAT2 marksNeeds review
Consider the digital circuit shown below with two input lines A and B, two select lines S0 and S1, and an output line Y. The blocks Q and M represent active high 2:4 decoder and 4-to-1 multiplexer, respectively. Out of 16 possible input combinations, the number of combinations that produce Y=1 is __________. (answer in integer)
Note: One input combination is an instance of [A B S1 S0].
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2026CS2
GATE CSE 2026 · Paper 2
Computer Science and Information Technology · Original paper archive
- Section
- Section CS2
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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