# Signals And Systems (Quiz-3)

5 Questions | Total Attempts: 199  Settings  • 1.
A signal x(t) is delayed by T time, corresponding ROC in the S – plane will shift by
• A.

Exponential (-sT)

• B.

Exponential (sT)

• C.

T

• D.

0

• 2.
An LTI system’s transfer function is represented by (1/s). If unit step signal is applied at the input of this system, corresponding output will be
• A.

Sinc function

• B.

Cosine function

• C.

Unit impulse

• D.

Unit ramp function

• 3.
An LTI system with rational system function having poles at -19, -6 and -1 and ROC is on the right side of the rightmost pole. The system is
• A.

Causal-Unstable

• B.

Non-causal-stable

• C.

Causal-stable

• D.

Non-causal-unstable

• 4.
The convolution process associated with the Laplace Transform, in time domain results into
• A.

Simple multiplication in complex frequency domain

• B.

Simple division in complex frequency domain

• C.

Simple multiplication in complex time domain

• D.

Simple division in complex time domain

• 5.
ROC in Z plane excludes unity circle, it signifies….
• A.

Z transform converges but Fourier transform does not converge

• B.

Fourier transform converges but Z transform does not converge

• C.

Both Fourier and Z transform converge

• D.

Both Fourier and Z transform do no converge

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