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Questions and Answers
What is an interrupt in a processor?
What is an interrupt in a processor?
- An input from an external device or peripheral to inform the processor that it is ready for communication (correct)
- A command executed by the processor to initiate communication with peripherals
- A signal sent by the processor to external devices for synchronization
- A process that halts the processor's operation temporarily
What happens when peripheral devices activate an interrupt signal?
What happens when peripheral devices activate an interrupt signal?
- The processor stops all operations immediately
- The processor increases the clock speed
- The processor resets the program counter value
- The processor branches to a program called interrupt service routine (correct)
What does the processor do before branching to the interrupt service routine?
What does the processor do before branching to the interrupt service routine?
- Completes the execution of the current instruction (correct)
- Clears the program status word register value
- Halts all operations immediately
- Resets the interrupt flag
What is the purpose of the interrupt service routine?
What is the purpose of the interrupt service routine?
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What action does the processor take after executing the interrupt service routine?
What action does the processor take after executing the interrupt service routine?
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