Digital Communication Questions and Answers
Q1.
Which has continuous transmission?
Answer :
Synchronous
Q2.
Which can detect two bit errors?
Answer :
Cyclic redundancy check
Q3.
Packet switched connection is provided for
Answer :
Data
Q4.
The services provided by ISDN
Answer :
1. Bearer service
2. Teleservice
3. Secondary service
Q5.
Which reduces the dynamic range of quantization noise in PCM?
Answer :
Adaptive quantizer
Q6.
Stochastic processes are
Answer :
Wide sense stationary process
Q7.
Routing is
Answer :
Static & Dynamic
Q8.
Which tells about low level transmission and framing?
Answer :
G series
Q9.
Channel can provide connectivity to
Answer :
1. Point to point
2. 1 to many
3. Many to many
Q10.
The radiation loss increases as
Answer :
Frequency increases
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