Question: We need an interval timer to support a preemptive scheduler. The pseudo - code for an IntervalTimer ( ) is illustrated as follows: IntervalTimer (

We need an interval timer to support a preemptive scheduler. The pseudo-code for an IntervalTimer() is illustrated as follows:
IntervalTimer(){
InterruptCount--;
if (InterruptCount <=0){
InterruptRequest=True;
InterruptCount=K;
}
}
Q->How is the above routine IntervalTimer() invoked? That is, what triggers the IntervalTimer()?

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