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Which of the following can be described as general-purpose?

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Which of the following can be described as general-purpose?

(a) multifunction I/O port

(b) input port

(c) dma port

(d) output port

I have been asked this question in my homework.

My doubt is from Parallel Ports topic in section Basic Peripherals of Embedded Systems

1 Answer

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Correct option is (a) multifunction I/O port

The explanation is: The multifunction I/O ports can be described as the general-purpose and it can be shared with other peripherals.

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