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Electrical Engineering
Modulation And Demodulation
Quiz 5
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Q.1
Which data communication method is used to transmit the data over a serial communication link?
Simplex
Half-duplex
Full duplex
All of above
Q.2
Which of the following performs modulation and demodulation?
fiber optics
switch
modulator
modem
Q.3
Transmission media lie below the _______ layer.
physical
network
transport
application
Q.4
Twisting in a twisted-pair help reduce the __________.
length
cost
noise
None of the choices are correct
Q.5
In electromagnetic spectrum for wireless communication, reserved range for Radio waves and microwaves is known as
ground propagation
sky propagation
line-of-sight propagation
None
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