Official PYQ · 2020Set 1 · Q14LTI SystemsMCQ1 mark

GATE EC 2020 Set 1 Q14 — LTI Systems

Which one of the following pole-zero plots corresponds to the transfer function of an $\text{LTI}$ system characterized by the input-output difference equation given below?

$y\left [ n \right ]=\sum ^{3}_{k=0}\left ( -1 \right )^{k}x\left [ n-k \right ]$

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Answer: A

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Published 10 Oct 2026

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