Multiple choice

Which of the following I/O modes in 8255 allows handshake signals to exchange between the microprocessor and peripherals prior to data transfer?

  1. Mode 0

  2. Mode 1

  3. Mode 2

  4. IBF

  5. INTR

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This I/O mode in 8255 allows handshake signals to exchange between the microprocessor and peripherals prior to data transfer.