Question 31 : A modulation technique that improves channel bandwidth utilization.
1. direct
2. modulation
3. demodulation
4. multiplexing
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Question 32 : FDM stands for?
1. Frequency Division Multiplexing
2. Frequency Dependent Multiplexing
3. Frequency Diverged Multiplexing
4. Frequency Derived Multiplexing
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Question 33 : An example of FDM:
1. broadcast radio
2. telephone
3. machines
4. semi-duplex
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Question 34 : A multiplexing technique based on sampling.
1. FDM
2. TDM
3. SDM
4. FM
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Question 35 : Controlling the phase is referred as __________
1. modulation
2. half modulation
3. amplitude modulation
4. phase modulation
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Question 36 : The carrier wave is a _________
1. tan wave
2. cosec wave
3. sine wave
4. cot wave
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Question 37 : In TDM, the samples occupy adjacent time slots.
1. True
2. False
3.
4.
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Question 38 : A walkie-talkie operates in ____________
1. simplex
2. half duplex
3. full duplex
4. semi-duplex
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Question 39 : A technique of transmitting data or images or videos (information) using a continuous signal.
1. direct
2. network
3. analog
4. multiple
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Question 40 : Fire alarms are based on this type of transmission:
1. direct
2. network
3. analog
4. multiple
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