Which one of the following is true for a CPU having a single interrupt request…

GATE · 2005 · CS

1. A.

   Neither vectored interrupt nor multiple interrupting devices are possible.

2. B.

   Vectored interrupts are not possible but multiple interrupting devices are possible.

3. C.

   Vectored interrupts and multiple interrupting devices are both possible.

4. D.

   Vectored interrupt is possible but multiple in­terrupting devices are not possible.

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