Question 31 : In which technique, packet size are constant?
1. Pure Aloha
2. Slotted Aloha
3. Pure & Slotted Aloha
4. None of the mentioned
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Question 32 : Companding is used to
1. Increase the information transmission rate
2. Use only one carrier frequency to handle different signals
3. To use different frequency bands for different signals
4. To protect all small signals in PCM from quantizing noise
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Question 33 : The radio meter consists of
1. Low pass filter
2. High pass filter
3. Band pass filter
4. Band reject filter
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Question 34 : Which is more costlier?
1. TDMA
2. FDMA
3. ALOHA
4. None of the mentioned
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Question 35 : Minimum packet size increases as
1. Speed increases
2. Distance increases
3. Speed & Distance increases
4. None of the mentioned
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Question 36 : Which method is better when traffic is heavy?
1. SPADE
2. Binary tree search
3. SPADE & Binary tree search
4. None of the mentioned
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Question 37 : In SPADE system, the carrier is done based on
1. Fixed assignment
2. Demand assignment
3. Fixed & Demand assignment
4. None of the mentioned
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Question 38 : Which maintains better fidelity?
1. Analog communication
2. Digital communication
3. Analog & Digital communication
4. None of the mentioned
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Question 39 : SPADE uses
1. QPSK
2. BPSK
3. FSK
4. MSK
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Question 40 : In which reusing of components can be made possible?
1. Analog communication
2. Digital communication
3. Analog & Digital communication
4. None of the mentioned
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