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GATE EC 2022: Signals & Systems Quiz 2

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Question 1

Energy of signal n u[n] is

Question 2

Which of the following is the mathematical representation of unit sinc function?

Question 3

Represent the following signal as sum of its singularities:
Singularities.png

Question 4

What will be the value of

Question 5

A continuous time system has input and output x (t) and y (t) respectively. The system is defined by its input output relation y (t) = x (t2). The system is

Question 6

The impulse response of four CT systems S1, S2, S3 and S4 are given respectively as

h1(t) = δ(t)

h4(t) = cos(100t) u(t)

Which of these system is not BIBO stable

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Sep 27ESE & GATE EC