Official PYQ · 1997Set 1 · Q4.2Combinatorial CircuitsMCQ1 mark

GATE EC 1997 Set 1 Q4.2 — Combinatorial Circuits

The decoding circuit shown in the figure is has been used to generate the active low chip select signal for a microprocessor peripheral. (The address lines are designated as $\mathrm{AO}$ to $\mathrm{A} 7$ for $\mathrm{l} / \mathrm{O}$ addresses)

The peripheral will correspond to $1 / \mathrm{O}$ addresses in the range

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Answer: A

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Published 10 Oct 2026

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