Multiple choice

Which of the following ports in 8255 microprocessor are basically bidirectional I/O pins that act as latched outputs or buffered inputs depending upon the control word loaded into the control word register?

  1. D0-D7

  2. PB0-PB7

  3. PA0-PA7

  4. PC0-PC7

  5. RD
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C Correct answer
Explanation

These ports in 8255 microprocessor are basically bidirectional I/O pins that act as latched outputs or buffered inputs depending upon the control word loaded into the control word register.

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