Digital Communications Digital Communication Online Exam Quiz
Digital Communications Digital Communication GK Quiz. Question and Answers related to Digital Communications Digital Communication. MCQ (Multiple Choice Questions with answers about Digital Communications Digital Communication
The attenuation level in bounded power spectral density is
Options
A : 35
B : 50
C : 35 & 50
D : none of the mentioned
Digital system includes
Options
A : Better encryption algorithm
B : Difficult data multiplexing
C : All of the mentioned
D : None of the mentioned
Advantages of digital communication are
Options
A : Easy multiplexing
B : Easy processing
C : Reliable
D : All of the mentioned
Which system uses digital transmission?
Options
A : ISDN
B : LANs
C : ISDN & LANs
D : None of the mentioned
Examples of digital communication are
Options
A : ISDN
B : Modems
C : Classical telephony
D : All of the mentioned
Digital communication is _______ to environmental changes?
Options
A : Less sensitive
B : More sensitive
C : Does not depend
D : None of the mentioned
What are the disadvantages of digital communication?
Options
A : Needs more bandwidth
B : Is more complex
C : Needs more bandwidth & Is more complex
D : None of the mentioned
The interval of frequencies outside which the spectrum is zero is called as ________
Options
A : null to null bandwidth
B : normalized bandwidth
C : absolute bandwidth
D : none of the mentioned
What is necessary for digital communication?
Options
A : Precision timing
B : Frame synchronization
C : Character synchronization
D : All of the mentioned
Analog to digital conversion includes
Options
A : Sampling
B : Quantization
C : Sampling & Quantization
D : None of the mentioned
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