Computer Science for IGCSE & O level - Software (Section 10 - No. 39)
What happens when an interrupt is serviced?
The CPU continues with its current task.
The operating system is shut down.
The contents of the registers are reloaded.
The current task is interrupted, and the interrupt's routine is executed.
Forklaring
When an interrupt is serviced, the CPU stops its current operation to handle the interrupt request.