Multiple Choice
A carrier wave is modulated with 4 amplitudes and 4 phase changes; how many bits can be represented with each signal change?
A) 1
B) 2
C) 3
D) 4
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q35: The process of error control involves two
Q36: When no character is being transmitted,the line
Q37: Analog signals are:<br>A)continuous<br>B)discrete<br>C)discontinuous<br>D)all of the above
Q38: Standards are important when devices must communicate
Q39: The efficiency of an asynchronous transmission using
Q40: If a carrier wave is modulated with
Q41: Parity checking for error detection is most
Q42: _ is the physical propagation of the
Q43: In _ the phase of the carrier
Q45: It is difficult to use low frequencies