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Question
A communications device that combines transmissions from several I/O devices into one line is a:
A communications device that combines transmissions from several I/O devices into one line is a:
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Solution
The correct option is B multiplexer
A communications device that combines
transmissions from several I/O devices into one line is a multiplexer.
A multiplexer is a device that selects one of several analog or digital input signals
and forwards the selected input into a single line. A multiplexer of
inputs has select lines, which are used to select which input line to send to
the output. A multiplexer of 2n inputs has n select lines that will be used
to select input line to send to the output.
Multiplexingbasically involves
taking multiple signals and combining them into one signal for transmission
over a single medium, such as a telephone line.
A communications device that combines transmissions from several I/O devices into one line is a multiplexer.
A multiplexer is a device that selects one of several analog or digital input signals and forwards the selected input into a single line. A multiplexer of inputs has select lines, which are used to select which input line to send to the output. A multiplexer of 2n inputs has n select lines that will be used to select input line to send to the output.
Multiplexingbasically involves taking multiple signals and combining them into one signal for transmission over a single medium, such as a telephone line.
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