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The 8255 is a ______ chip.

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+1 vote
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in Microcontroller by (14.6k points)
The 8255 is a ______ chip.

(a) Input/Output

(b) Analog to Digital

(c) Digital to analog

(d) None of the mentioned

The question was asked during an internship interview.

This key question is from Interfacing with 8255 in division AVR Microcontroller of Microcontroller

1 Answer

0 votes
by (24.2k points)
Right choice is (a) Input/Output

To elaborate: The 8255 is Input/Output (I/O) chip. It has three separate accessible ports. The 8255 chip is used to expand the I/O ports of microcontrollers.

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