Master the Modes

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Questions and Answers

Which operating mode of the 8255 microprocessor allows Port A and Port B to be configured as bidirectional I/O ports?

  • Mode 2 (correct)
  • Mode 0
  • Mode 3
  • Mode 1

In which operating mode of the 8255 microprocessor are the three ports (Port A, Port B, and Port C) configured individually as input or output?

  • Mode 1
  • Mode 3
  • Mode 2
  • Mode 0 (correct)

Which operating mode of the 8255 microprocessor includes additional control signals to enable latching of input data and/or output data?

  • Mode 2
  • Mode 0
  • Mode 3
  • Mode 1 (correct)

How many operating modes does the 8255 microprocessor have?

<p>3 (C)</p> Signup and view all the answers

Which port of the 8255 microprocessor is configured as a control port for setting various operational modes in Mode 2?

<p>Port C (D)</p> Signup and view all the answers

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