Question

give the five examples of external interrupts an internal interrupts. what is the difference between a software interrupt and a subroutine call?

Answer 1

Answer:

Give 5 examples of external interrupts and 5 examples of internal interrupts.

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The interrupt is usually initiated by external or internal signal rather than from the execution of an instruction. (except for software interrupt) ... Subroutine call is called by the user through instructions, whereas Interrupt is called by the hardware or any external signal.

Explanation:

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Answer 2

Five examples of external interrupts are:

• I/O device
• timeout interrupts
• power failure interrupt
• the time that elapsed by an event
• request transferring of data by I/O devices

Five examples of internal interrupts are:

• Stack overflow
• stack underflow
• violation of protection
• divide by zero
• by invalid operation code

One of the main differences between subroutine and software interrupt is that:

• A subroutine is a code that we write and call as per our requirement
• An interrupt is system bound and the user cannot call the interrupt. It occurs when something happens in which immediate attention is required.

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