Digital Signal Processing Interview Online Exam Quiz
Digital Signal Processing Interview GK Quiz. Question and Answers related to Digital Signal Processing Interview. MCQ (Multiple Choice Questions with answers about Digital Signal Processing Interview
If F1 and F2 are the lower and upper cutoff frequencies of a band pass signal, then what is the condition to be satisfied to call such a band pass signal as narrow band signal?
Options
A : (F1-F2)>frac{F_1+F_2}{2}(factor of 3 or less)
B : (F1-F2)?frac{F_1+F_2}{2}(factor of 10 or more)
C : (F1-F2)<frac{F_1+F_2}{2}(factor of 3 or less)
D : (F1-F2)?frac{F_1+F_2}{2}(factor of 10 or more)
Which of the following condition is to be satisfied for the Fourier transform of a sequence to be equal as the Z-transform of the same sequence?
Options
A : |z|=1
B : |z|<1
C : |z|>1
D : Can never be equal
What is the frequency range(in Hz) of Electroencephalogram(EEG)?
Options
A : 10-40
B : 1000-2000
C : 0-100
D : None of the mentioned
What is the Fourier transform of the signal x(n) which is defined as shown in the graph below?
Options
A : Ae-j(?/2)(L)frac{sin?(frac{?L}{2})}{sin?(frac{?}{2})}sin(?L2 )sin(?2 )
B : Aej(?/2)(L-1)frac{sin?(frac{?L}{2})}{sin?(frac{?}{2})}sin(?L2 )sin(?2 )
C : Ae-j(?/2)(L-1)frac{sin?(frac{?L}{2})}{sin?(frac{?}{2})}sin(?L2 )sin(?2 )
D : None of the mentioned
What are the main characteristics of Anti aliasing filter?
Options
A : Ensures that bandwidth of signal to be sampled is limited to frequency range
B : To limit the additive noise spectrum and other interference, which corrupts the signal
C : All of the mentioned
D : None of the mentioned
If a power signal has its power density spectrum concentrated about zero frequency, the signal is known as ______________
Options
A : Low frequency signal
B : Middle frequency signal
C : High frequency signal
D : None of the mentioned
Which of the following electromagnetic signals has a frequency range of 30kHz-3MHz?
Options
A : Radio broadcast
B : Shortwave radio signal
C : RADAR
D : Infrared signal
For a signal x(n) to exhibit even symmetry, it should satisfy the condition |X(-?)|=| X(?)|.
Options
A : True
B : False
C :
D :
In general, a digital system designer has better control of tolerances in a digital signal processing system than an analog system designer who is designing an equivalent analog system.
Options
A : True
B : False
C :
D :
The term ‘bandwidth’ represents the quantitative measure of a signal.
Options
A : True
B : False
C :
D :
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