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Electronics and Communication Engineering - Satellite Communication

Exercise : Satellite Communication - Section 1
26.
In a stop-and-wait ARQ system, the transmitting terminal
waits for positive or negative acknowled-gement from the receiving terminal after sending a block
sends another block if positive acknowledge is received through ACK character
resends the previous block if negative acknowledgement is received through a NAK character
does not wait for acknowledgement after sending a block
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
A geostationary satellite is one which
hangs motionless in space about 36000 km about Earth
travels around the Earth in 24 hours
remains stationary above the Earth
appears stationary to everybody on Earth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The geostationary communication satellite APPLE is parked in the equatorial orbit at
102° E longitude over Sumatra
90° E longitude over Bangladesh
74° E longitude over India
67° E longitude over Pakistan
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Power received from Sun per m2 surface area of a geosynchronous satellite in nearly __________ watt.
100
500
2000
1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
A certain sound has 10000 times more energy than another sound. The number of times it would sound stronger to a listener is
40
10000
100
10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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