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MCQ

Q.

_____ substitutes eight consecutive zeros with 000VB0VB

A

B4B8

B

HDB3

C

B8ZS

D

none of the above

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How many carrier frequencies are used in QPSK?

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A

equal to the lowest frequency of a signal

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. In _________ transmission, we send bits one after another without start or stop bits or gaps. It is the responsibility of the receiver to group the bits.

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polar

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