Digital Communication Questions and Answers
Q1.
Auto-correlation function is a
Answer :
Even function
Q2.
The quantization will be finer when
Answer :
Larger the number of discrete amplitudes
Q3.
From digital filter we will get the output pulse as the ____ of the current and the previous pulse.
Answer :
Summation
Q4.
The method which has greater bandwidth efficiency is called as
Answer :
Polybinary signalling
Q5.
In which waveform one is represented by half bit wide pulse positioned during the first half and zero is represented by half bit wide pulse positioned in the second half?
Answer :
Bi-p-L
Q6.
Which waveform type has better noise immunity?
Answer :
NRZ
Q7.
In M-ary PPM waveform, modulation is effected by
Answer :
Delaying & Advancing
Q8.
Which type is used and preferred in digital logic circuits?
Answer :
NRZ-L
Q9.
Phase encoded group consists of
Answer :
1. Manchester coding
2. Bi-phase-mark
3. Miller coding
Q10.
Uniform quantization provides better quantization for
Answer :
Strong signals
🎕🎕🎕
🎕🎕🎕
0 Comments