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If the external interrupt sources control the flags IE0 and IE1, then the interrupt programmed is

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in Microprocessor by (39.4k points)
If the external interrupt sources control the flags IE0 and IE1, then the interrupt programmed is

(a) level-sensitive

(b) edge-sensitive

(c) in serial port

(d) in parallel port

The question was posed to me in unit test.

The above asked question is from Interrupt and Stack of 8051 -1 topic in chapter Microcontroller 8051 of Microprocessor

1 Answer

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by (49.2k points)
The correct option is (a) level-sensitive

Easy explanation: If the interrupts are programmed as level sensitive, then the flags IE0 and IE1 are controlled by external interrupt sources themselves.

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