Signals and Systems MCQ Questions and Answers Pdf - 2

Question: 6

The function which has its Fourier transform, Laplace transform and Z-transform unity is

(A) Pulse

(B) Sine

(C) Impulse

(D) Gaussian

Question: 7

The units of the spectrum obtained by Fourier transforming the covariance function of a stationary stochastic process is

(A) Power per second

(B) Energy per second

(C) Power per Hertz

(D) Energy per Hertz

Question: 8

A Hibert transformer is a

(A) Low pass system

(B) Time varying system

(C) Non linear system

(D) Non causal system

Question: 9

A function of one or more variables which conveys information on the nature of physical phenomenon is called

(A) Signal

(B) System

(C) Noise

(D) Interference

Question: 10

An LTI system has a wide sense stationary (WSS) input signal with zero mean. Its output is

(A) Non-zero mean and WSS signal

(B) Zero-mean and non-WSS signal

(C) Non zero mean and non-WSS signal

(D) Zero mean and WSS signal