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Q. The word ‘serial’ describes

  • (A) an inexpensive card reader that reads one column at a time
  • (B) a character-by-character transfer of data between an input/output or auxiliary storage unit and a channel
  • (C) is a serial communication physical interface through which information transfers in or out one bit at a time
  • (D) both (a) and (b)
  • Correct Answer - Option(D)
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