Interrupt chaining
A) allows CPU to defer processing of low-priority interrupts without masking all interrupts.
B) splits interrupt management between first level and second level interrupt handlers.
C) is used to handle interrupts but not exceptions.
D) is a compromise between the overhead of a huge interrupt table and the inefficiency of dispatching to a single interrupt handler.

Question

Quizplus · Accepted Answer

Interrupt chaining is a compromise approach between a large interrupt table and a single interrupt handler. With interrupt chaining, the CPU is able to defer processing of low-priority interrupts without masking all interrupts. This helps to reduce the overhead of a large interrupt table and improve the efficiency of interrupt handling. Interrupt chaining is used to handle both interrupts and exceptions. Therefore, option D is the correct answer.

Interrupt Chaining