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Which of the following is an asynchronous bus?

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Which of the following is an asynchronous bus?

(a) VMEbus

(b) timer

(c) data bus

(d) address bus

The question was posed to me in an online interview.

This interesting question is from Priority Inversion in chapter Real Time Operating systems of Embedded Systems

1 Answer

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Best answer
The correct answer is (a) VMEbus

Explanation: The VMEbus is based on Eurocard sizes and is asynchronous which is similar to the MC68000.

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