Answer:
ELECTRONICS
a range of frequencies within a given band, in particular that used for transmitting a signal.
2.
the energy or mental capacity required to deal with a situation.
Explanation:
Simplex, simplex, and half duplex.
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Answer:
Computer is called versatile and diligent device because it is used in almost all the fields for various purposes and it can perform the task repeatedly without loosing its speed and accuracy for long time.
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