GATE 2019: Signal & System Quiz 3

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Question 1

The roots of the characteristic some continuous-time LTI systems are given below. Which of the following LTI systems have an unbounded impulse response?
I.
II.
III.
IV. .

• A(I) and (II)
• B(I) and (III)
• C(II) and (III)
• D(II) and (IV)

Question 2

The unit sample response of a LTI system is described as:

The above described LTI system is a:

• AIIR system
• BFIR system
• CNone of the above
• DInsufficient information

Question 3

Find the system’s response to the input x(t)=u(t) if the unit impulse response h(t)of a DT LTI system is h(t) =

• A() u (t)
• B() u (t)
• C() u (t)
• DNone of these

Question 4

Consider the LTI system whose impulse response is input to the system is the output obtained from the system then will be negative __________?

• A0.14
• B0.15
• C0.17
• D0.19

Question 5

Find the system response to the input x(t) =u(t) if the unit impulse response h(t) of a CT LTI system is h(t) =  by using convolution theorem ?

• A
• B
• C
• DNone of these

Question 6

An input is applied to an LTI system with impulse response The output is

• A
• B
• C
• D

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