Digital Communication Questions and Answers
Q1.
What is the bit depth used for audio recording?
Answer :
1. 8 bit
2. 16 bit
3. 24 bit
Q2.
Structured sequences are
Answer :
1. Block codes
2. Convolutional codes
3. Turbo codes
Q3.
If the parity bit takes value one then the summation of code-word gives
Answer :
Even result
Q4.
The capacity per cell is ____ Eb/N0.
Answer :
Inversely proportional
Q5.
In orthogonal signalling as k increase there is
Answer :
Improved error performance
Q6.
Which codes perform better?
Answer :
Biorthogonal
Q7.
FSK reception is
Answer :
Phase Coherent & non coherent
Q8.
If we correlate the received signal with both orthogonal function the inner product will be
Answer :
In phase and quadrature
Q9.
Which has same probability of error?
Answer :
BPSK and PAM
Q10.
Matched filter
Answer :
Produces maximum output SNR
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