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In _____, the level of the voltage determines the value of the bit
In ______, the change or lack of change in the level of the voltage determines the value of the bit
The idea of RZ and the idea of NRZ-L are combined into the ________ scheme
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
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
In Manchester and differential Manchester encoding, the transition at the middle of the bit is used for __________
The minimum bandwidth of Manchester and differential Manchester is ____ that of NRZ
In _______encoding, we use three levels: positive, zero, and negative
The _____ scheme uses data patterns of size 2 and encodes the 2-bit patterns as one signal element belonging to a four-level signal
The ______ scheme uses three levels (+V, 0, and -V) and three transition rules to move between the levels
_____ substitutes eight consecutive zeros with 000VB0VB
_____ substitutes four consecutive zeros with 000V or B00V
ASK, PSK, FSK, and QAM are examples of ________ conversion
AM and FM are examples of ________ conversion
In QAM, both ________ of a carrier frequency are varied
If the baud rate is 400 for a QPSK signal, the bit rate is ________ bps
If the bit rate for an ASK signal is 1200 bps, the baud rate is ________
If the bit rate for an FSK signal is 1200 bps, the baud rate is ________
If the bit rate for a 16-QAM signal is 4000 bps, what is the baud rate?
If the baud rate for a 64-QAM signal is 2000, what is the bit rate?
total questions: 237

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