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ISRO 2023 Quiz 8

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Question 1

Consider a floor of 578 cm × 374 cm dimensions. This floor is to be covered with square shape tiles. Total number of such square shape tiles required are:

Question 2

Consider an ideal op-amp circuit shown below:

If R = 1MΩ,

Then the value of C is ______________μF.

Question 3

For a digital counter circuit, number of flip-flops required are _________ if there are 6 states.

Question 4

For obtaining a (–90°) phase shift in the signal x(t) then, signal should be delayed by __________m sec, provided x(t) = A cos 2000 πt

Question 5

For a discrete time system, input-output relation is given as,

y(n) = y(n–1) + nx(n)

with y (–1) = 1, x(3) = 1/3 and y (3) = 0

Then x(1) + 2x(2) = ___________

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Jun 16ESE & GATE EE