COMPUTER SOFTWARE
SYSTEM SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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process
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Instruction
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processor scheduling
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Interrupt
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Detailed explanation-1: -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.
Detailed explanation-2: -Definition. A hardware interrupt is an interrupt generated from an external device while the software interrupt is a type of interrupt caused by an instruction in the program. Thus, this is the main difference between hardware and software interrupt.
Detailed explanation-3: -An interrupt request (IRQ) is a signal sent to a computer’s processor to momentarily stop (interrupt) its operations.