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Which one of the following is true with regard to a CPU having a single interrupt request line and single interrupt grant line?
i) Neither vectored nor multiple interrupting devices is possible.
ii) Vectored interrupts is not possible but multiple interrupting devices is possible.
iii) Vectored interrupts is possible and multiple interrupting devices is not possible.
iv) Both vectored and multiple interrupting devices is possible.
  • a)
    iii
  • b)
    i,iv
  • c)
    ii,iii
  • d)
    iii,iv
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which one of the following is true with regard to a CPU having a singl...
Explanation:

Single interrupt request line and single interrupt grant line:
- When a CPU has a single interrupt request line and a single interrupt grant line, it means that only one interrupt can be processed at a time.

Possibilities with a single interrupt request line and single interrupt grant line:
- With this configuration, neither vectored interrupts nor multiple interrupting devices are possible.
- Vectored interrupts require multiple interrupt request lines to differentiate between different types of interrupts.
- Multiple interrupting devices would require separate interrupt request lines for each device, which is not possible with only one interrupt request line.
Therefore, the correct statement is:
- Neither vectored interrupts nor multiple interrupting devices is possible with a CPU having a single interrupt request line and a single interrupt grant line.
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Which one of the following is true with regard to a CPU having a single interrupt request line and single interrupt grant line?i) Neither vectored nor multiple interrupting devices is possible.ii) Vectored interrupts is not possible but multiple interrupting devices is possible.iii) Vectored interrupts is possible and multiple interrupting devices is not possible.iv) Both vectored and multiple interrupting devices is possible.a)iiib)i,ivc)ii,iiid)iii,ivCorrect answer is option 'A'. Can you explain this answer?
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