Process Types MCQs : This section focuses on the "Process Types". These Multiple Choice Questions (MCQs) should be practiced to improve the Process Types skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
A rectangular pulse of duration T is applied to a matched filter. The output of the filter is a
A. Rectangular pulse of duration T
B. Rectangular pulse of duration 2T
C. Triangular pulse
D. Sine function
Question 2
A stationary stochastic process has
A. Finite energy signal
B. Infinite zero signal
C. Zero energy signal
D. None of the mentioned
Question 3
For a periodic function, the spectral density and auto correlation functions form
A. Fourier transform pair
B. Laplace transform pair
C. Hilbert transform pair
D. Z transform pair
Question 4
In a communication system, a process in which statistical averages and time averages are equal is called as
A. Stationary
B. Ergodic
C. Gaussian
D. Poisson
Question 5
Ionospheric communication can take place in
A. High frequency band
B. Very high frequency band
C. Ultra high frequency band
D. Super high frequency band
Question 6
Non uniform tree _____ bit rate.
A. Increases
B. Decreases
C. Does not affect
D. None of the mentioned
Question 7
Possible timing error detection methods are
A. Early late
B. Zero crossing
C. Early late & Zero crossing
D. None of the mentioned
Question 8
Satellite communication takes place in
A. Ultra high frequency band
B. Super high frequency band
C. Ultra & Super high frequency band
D. None of the mentioned
Question 9
The auto-correlation of white noise is
A. A delta function
B. A constant
C. Gaussian
D. None of the mentioned
Question 10
The line code has a zero dc component for pulse transmission of random binary data is
A. NRZ
B. RZ
C. Alternate mark inversion
D. None of the mentioned
Question 11
The power spectral density function of the stochastic process is
A. Real
B. Odd
C. Real & odd
D. None of the mentioned
Question 12
The weighing matrix is
A. Positive quantity
B. Inverse of covariance matrix of the input vector
C. Positive quantity & Inverse of a covariance matrix of the input vector
D. None of the mentioned
Question 13
Two clock with rates T1 and T2 are incommensurate if its ratio is
A. Rational
B. Irrational
C. Equal
D. None of the mentioned
Question 14
Voltage generated by lightning is an example for
A. Energy signal
B. Power signal
C. Energy & Power signal
D. None of the mentioned
Question 15
Which has minimum power loss during transmission?
A. Twisted Copper cable at 1KHz
B. Optical fiber
C. Twisted copper cable at 100KHz
D. Wave guide