Computer Science Ques 493

Question: The____ is a device that connects n inputs to m outputs.

Options:

A) Crossword

B) Crossbar

C) Modem

D) RAM

E) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

  • A crossbar switch is a switch connecting multiple inputs to multiple outputs in a matrix manner. If a crossbar switch has M inputs and N outputs, then across bar has a matrix with MXN cross-points or places where the “bars” cross. A each cross point is a switch; When closed, it connects one of M inputs lo one of N outputs.
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