What is interrupt? and give me information about interruptstypes and processes and works?

Interrupt is defined as, in computer system interrupts are the signal sent to the central processing unit by the external devices. The main function of interrupt is that, an operating system that provide multiprocessing and multitasking. The interrupt is a signal that causes the operating system to stop work on one processor and started work on another processor.

There are basically two type of interrupts:

answer; availability;