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Title
The channel in the data communication model can be
The EIA-232 interface has _____ pins
Which of the following signals is not standard RS - 232-C signal?
A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer:
Most data communications involving telegraph lines use:
Telecommunications networks come in a wide range of speed and capacity capabilities. Select the best fit for answer:
What frequency range is used for TV transmission and low power microwave applications?
Which of the following statement is correct ?
In communication satellite, multiple repeaters are known as
We can receive data either through our television aerial or down our telephone lines and display this data on our television screen. What is the general name given to this process?
The frequency range : 300 kHz to 3 MHz is used for
Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as
The core diameter of a single-mode fibers is about
Which of the following is an example of bounded medium?
Multilevel Amplitude Shift Keying (MASK) is not implemented with pure Amplitude Shift Keying (ASK), it is implemented with
In a constellation diagram, a signal element type is represented as a
The term that refers to the phase continues through the boundary of two signal elements is
The example of an analog to analog conversion is
The total bandwidth required for Amplitude Modulation (AM) is
The total bandwidth required for AM can be determined from the bandwidth of the audio signal
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