INTELSAT

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This set of Digital Communications Multiple Choice Questions & Answers (MCQs) focuses on “INTELSAT”.

1. INTELSAT II and III operates their TWTA in
a) Saturation region
b) Linear region
c) Hard limiting region
d) None of the mentioned

2. As the number of carriers, the capacity of the transponder
a) Increases
b) Decreases
c) Remains the same
d) None of the mentioned

3. As the number of carriers increases, the number of guard bands
a) Increases
b) Decreases
c) Remains the same
d) None of the mentioned

4. TWTA which operates in the linear region
a) Reduces interference
b) Provide less overall power
c) Is power limited
d) All of the mentioned

5. Which method is better when traffic is heavy?
a) SPADE
b) Binary tree search
c) SPADE & Binary tree search
d) None of the mentioned

6. SPADE uses
a) QPSK
b) BPSK
c) FSK
d) MSK

7. SPADE is a
a) MAA system
b) DAMA system
c) MAA & DAMA system
d) None of the mentioned

8. In SPADE system, the carrier is done based on
a) Fixed assignment
b) Demand assignment
c) Fixed & Demand assignment
d) None of the mentioned

9. Which is more costlier?
a) TDMA
b) FDMA
c) ALOHA
d) None of the mentioned

10. Which technique needs precise synchronization?
a) TDMA
b) FDMA
c) TDMA & FDMA
d) None of the mentioned

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