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The feature of mode 0 is

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in Microprocessor by (39.4k points)
The feature of mode 0 is

(a) any port can be used as input or output

(b) output ports are latched

(c) maximum of 4 ports are available

(d) all of the mentioned

I got this question during an online interview.

Question is taken from Modes of Operation of 8255 topic in chapter Basic Peripherals and their Interfacing with 8086/88 of Microprocessor

1 Answer

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by (49.2k points)
Correct answer is (d) all of the mentioned

For explanation: In mode 0, any port can be used as input or output and output ports are latched.

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