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Question

In 8279, a scanned sensor matrix mode, if a sensor changes its state, the __________ line goes ___________ to interrupt the CPU.

a.

CS, high

b.

A0, high

c.

IRQ, high

d.

STB, high

Posted under Microprocessor

Answer: (c).IRQ, high

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Q. In 8279, a scanned sensor matrix mode, if a sensor changes its state, the __________ line goes ___________ to interrupt the CPU.

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