Question

The feature of mode 2 of 8255 is

(a) single 8-bit port is available

(b) both inputs and outputs are latched

(c) port C is used for generating handshake signals

(d) all of the mentioned

This question was addressed to me in an internship interview.

I need to ask this question from Modes of Operation of 8255 in chapter Basic Peripherals and their Interfacing with 8086/88 of Microprocessor

Answer 1

Correct answer is (d) all of the mentioned

For explanation: In mode 2 of 8255, a single 8-bit port is available i.e group A.