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Transmission Questions

MCQ
31.
In ______ schemes, the voltages are on the both sides of the time axis. For example, the voltage level for 0 can be positive and the voltage level for 1 can be negative.
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MCQ
32.
In _____, the level of the voltage determines the value of the bit.
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MCQ
33.
In ______, the change or lack of change in the level of the voltage determines the value of the bit.
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MCQ
34.
The idea of RZ and the idea of NRZ-L are combined into the ________ scheme.
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MCQ
35.
The idea of RZ and the idea of NRZ-I are combined into the ________ scheme
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MCQ
36.
. In _______ encoding, the duration of the bit is divided into two halves. The voltage remains at one level during the first half and moves to the other level in the second half. The transition at the middle of the bit provides synchronization.
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MCQ
37.
In ___________ there is always a transition at the middle of the bit, but the bit values are determined at the beginning of the bit. If the next bit is 0, there is a transition; if the next bit is 1, there is none.
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MCQ
38.
In Manchester and differential Manchester encoding, the transition at the middle of the bit is used for __________
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MCQ
39.
The minimum bandwidth of Manchester and differential Manchester is ____ that of NRZ.
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MCQ
40.
In _______encoding, we use three levels: positive, zero, and negative
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