Interrupt can be termed as signal send by the hardware to processor. The signal
tells that hardware is ready. When an interrupt signal comes, the processor stops
or suspend what it is doing and give attention to the signal.
Processor is the central unit of a computer. Computer consist number of devices, input/output devices. Every devices are controlled and monitored by CPU. This is done by checking the status of every devices attached. For instance, CPU checks the status of the keyboard, printer, monitor to see if it is ready or not. Ready means if the user is typing, keyboard is ready and CPU give attention to device and if the user wants to print some thing CPU checks the status of the printer. If it is ready then execute some routine to perform the printing task.But the typing