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In which circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM 

  • A.space-division
  • B.time-division
  • C.virtual
  • D.packet

Answer: B

Correct answer: time-division

A time-division switch works by writing incoming samples into memory and reading them out in a different order, so each sample must be stored and fetched again. That store-and-fetch is the source of the delay; a space-division crossbar makes a direct path and adds none.

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