Digital Communications Signals Online Exam Quiz
Digital Communications Signals GK Quiz. Question and Answers related to Digital Communications Signals. MCQ (Multiple Choice Questions with answers about Digital Communications Signals
Constellation diagram is plotted in
Options
A : Constellation space
B : Signal space
C : Orthogonal space
D : Boundary space
A band-pass signal has
Options
A : DC component
B : No DC component
C : No side lobes
D : Cannot be determined
Properties of Fourier transform are
Options
A : Duality property
B : Time shifting property
C : Modulation property
D : All of the mentioned
Which can be used for periodic and non periodic?
Options
A : Fourier series
B : Fourier transforms
C : Fourier series & transforms
D : None of the mentioned
Fourier transform of a signal gives the
Options
A : Frequency content
B : Bandwidth
C : Frequency content & Bandwidth
D : None of the mentioned
In down-conversion multiplication with cosine wave is followed by
Options
A : Low pass filter
B : High pass filter
C : Bandpass filter
D : Bandstop filter
Cumulative distributive function is
Options
A : Non negative
B : Non decreasing
C : Non negative & decreasing
D : None of the mentioned
ADSL has _____ information channels.
Options
A : One
B : Three
C : Four
D : None of the mentioned
A band-pass signal has a Fourier transform equal to
Options
A : One
B : Zero
C : Infinity
D : Cannot be determined
In the digital communication system, signals in different frequency bands are
Options
A : Orthogonal
B : Non orthogonal
C : Orthogonal & Non orthogonal
D : None of the mentioned
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