8255 PPI Quiz
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Questions and Answers

How many 8-bit bidirectional I/O ports does the Intel 8255 PPI consist of?

  • Two
  • Three (correct)
  • Four
  • One

    • Which port of the 8255 PPI can be further divided into two 4-bit ports?

  • Port A
  • Port B
  • Port C (correct)
  • None of the above

    • In how many modes can Port A work in the input-output mode of 8255 PPI?

  • Four
  • One
  • Two
  • Three (correct)

    • Which control groups does the 8255 PPI have?

    <p>Control group A and control group B</p> Signup and view all the answers

    Which microprocessor can the 8255 PPI be used with?

    <p>Almost any microprocessor</p> Signup and view all the answers

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