How does the software trigger an interrupt?

Question

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Executing a special program called system program

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Sending signals to CPU through bus

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Executing a special operation called system call

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Executing a special program called system program

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Executing a special program called interrupt trigger program

1.	How does the software trigger an interrupt?
A.	Sending signals to CPU through bus
B.	Executing a special operation called system call
C.	Executing a special program called system program
D.	Executing a special program called interrupt trigger program
Answer» C. Executing a special program called system program

Discussion