The data on a network is transmitted through an
electrical signal called…….
a) periodic signal
b) Aperiodic signal
c) carrier signal
d) digital signal
What is the change mode to signal is called?
a) modulation
b) signal modulation
c) both a & b
d) none of these
How many types of modulation?
a) one
b) two
c) three
d) four
Explanation: Amplitude modulation, Frequency Modulation, Phase Modulation
Which of the following modulation refers to change in the height of carrier wave?
a) Amplitude modulation
b) frequency modulation
c) phase modulation
d) none of these
Which of the following bit represent highest peaks of signal in Amplitude
modulation?
a) 0 bit
b) 1 bit
c) n bit
d) none
Which of the following bit represent lowest peaks of signal in Amplitude modulation?
a) 0 bit
b) 1 bit
c) n bit
d) none
