Digital Communication Questions and Answers, Set 61

Digital Communication Questions and Answers

Q1. 

Transmitter synchronization implies

Answer :  

Two way communication

Q2. 

Which method requires external authority and is inflexible?

Answer :   

Open loop method

Q3. 

The system which has ______ signal to noise ratio can tolerate larger timing error.

Answer :   

Large

Q4. 

Which is more simpler to implement?

Answer :   

Direct sequence spread spectrum

Q5. 

CDMA uses

Answer :   

Soft hand off

Q6. 

TDM can be employed to transmit channels having unequal bandwidth,

Answer :  

True

Q7. 

In digital communication, interaction between ______ is possible.

Answer :   

One layer to next layer

Q8. 

Reservation systems are useful when

Answer :  

Delay is large

Q9. 

INTELSAT II and III operates their TWTA in

Answer :   

Linear region

Q10. 

SPADE uses

Answer :   

QPSK

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