Basic Operations on Signals – 2 MCQ’s

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This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Basic Operations on Signals – 2″.

1. Considering Figure 1, sketch y= -3* x (t).

signals-systems-interview-questions-answers-freshers-q2a

a)

signals-systems-interview-questions-answers-freshers-q2b

b)

signals-systems-interview-questions-answers-freshers-q2c

c)

signals-systems-interview-questions-answers-freshers-q2d

d)

2. In the following diagram, X [n] and y [n] are related by ______

signals-systems-interview-questions-answers-freshers-q3

a) Y [n] = 2*x [n]
b) Y [n] = -2*x [n]
c) Y [n] = x [2n]
d) Y [n] = x [-2n]

3. Considering Figure 1, sketch y= 2* x (t).

signals-systems-interview-questions-answers-freshers-q1a

a)

b)

c)

d)

4. X [n] and y [n] is as shown below, the relationship between x [n] and y [n] is given by ______

signals-systems-interview-questions-answers-freshers-q4

a) X [n] = y [n]/3
b) X [n] = 3* y [n]
c) Y [n] = x [n]/3
d) Y [n] = 3*x [n]

5. Considering figure 3 above, is the following figure true for y [n] = x [n/2]?

signals-systems-interview-questions-answers-freshers-q6

a) True
b) False

6. . Consider figure 4, is the given y (t) a differentiation of x (t)?

signals-systems-interview-questions-answers-freshers-q8
signals-systems-interview-questions-answers-freshers-q8a

a)

b)

c)

d)


7. Considering figure 3 above, is the following figure true for y [n] = x [2n]?

signals-systems-interview-questions-answers-freshers-q5a

a) True
b) False

8. Consider figure 4, is the given y (t) an integration of x (t)?
a) Y (t) = ∫x (t).dt
b) Y (t) = ∫x2 (t).dt
c) Y (t) = 3* ∫x (t).dt
d) Y (t) = 3* ∫x2 (t).dt

9. The given pair x (t) and y (t) is _______

signals-systems-interview-questions-answers-freshers-q9

a) Y (t) = d/dt (x (t))
b) Y (t) = ∫x (t).dt
c) Y (t) = x (t) -1
d) Y (t) = x (t) /2

10. The given pair x (t) and y (t) is related by _______

signals-systems-interview-questions-answers-freshers-q10

a) Y (t) = d/dt (x (t))
b) Y (t) = x (t) + 1
c) Y (t) = ∫x (t) .dt
d) Not related

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