Answer:
Interrupt chaining is defined as, it is a technique in which each element in interrupt vector points to the head of a list of interrupt handler. When an interrupt is lifted, the handler on the consecutive list are called one by one, until one can find the service request. The processor interrupt the present program flow and execute an interrupt routine service,when an interrupt occurred.
There are two types of interrupt chaining:
- Daisy chaining
- Software polling
