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WorksheetsPrinciples of Electronic Communication ; A review
Total questions: 10
Worksheet time: 4mins
A complete communication system must include
a modulator, demodulator and a channel
a transmitter, a receiver, and a channel
a transmitter, a receiver, and a antenna
a multiplexer, a demultiplexes, and a channel
The process of modifying a high frequency carrier with the information to be transmitted is called the
Multiplexing
Detection
Modulation
Demodulation
Continuous voice or video signals are referred to as being
baseband
analog
digital
continuous wave
______ data are continuous and take discrete values
digital
analog or digital
analog
none of the choices
____ signals can have an infinite number of values in a range
Analog
Digital
analog or digital
none of the choices
An information that can be sent directly and unmodified over the medium or can be used to modulate a carrier for transmission over the medium is referred to as______
Baseband Signal
Broadband Signal
Fiber Optic
Fiber Optic
This is referred to as collection of electronic components and circuits that accepts the transmitted message from the channel and converts it back into a form understandable by humans.
Transmitter
Receiver
Medium
Channel
Many transmissions are of signals that originate in digital form but must be converted to analog form to match the transmission medium. This statement is
True
False
It is made up of oscillators, amplifiers, tuned circuits and filters, demodulators, frequency mixers, frequency synthesizers, and other circuits that converts into form suitable by the medium
Transmitter
Receiver
Chanel
Medium
The process of modifying a high frequency carrier with the information to be transmitted is called the
Multiplexing
Detection
Modulation
Demodulation
