OPERATING SYSTEMS FOR COMPUTERS
COMPUTER OPERATING SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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when an interrupt occurs, a signal is sent to the CPU via the ____ or, in the case of a sodftware interrupt, a flag is set.
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control bus
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data bus
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address bus
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None of the above
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Explanation:
Detailed explanation-1: -Interrupt procedure CPU gererates an interrupt signal or receives one from an external device. If the signal comes while an instruction is being executed, it is held until the execution of the instruction is complete.
Detailed explanation-2: -An interrupt is a signal to the processor emitted by hardware or software indicating an event that needs immediate attention. Whenever an interrupt occurs, the controller completes the execution of the current instruction and starts the execution of an Interrupt Service Routine (ISR) or Interrupt Handler.
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