Thursday, 20 December 2012

Interrupt-All Computer Topics


By on 23:53

Interrupts:-Interrupts are the signals which tells the CPU that an output and input required.The action on interrupts are taken by Operating System.
Each interrupt has their own priority level(means those signal who has high priority than they execute first).

Interrupt are divided into different-2 categories:-



1)Hardware Interrupts:-Hardware Interrupts are those interrupts which are generated by Hardware
devices like keyboard,microprocessor etc.

2)Software Interrupts:-Software Interrupts are those interrupts which are generated by Software.
That programs called as trap.

3)Internal Interrupts:-Internal Interrupts are those interrupts which are generated by internal device.

4)External Interrupts:-External Interrupts are those interrupts which are generated by external device.

5)Vector Interrupt:-Vector Interrupts are those interrupts in which interrupts device supply the address of subroutine.

7)Non-Vector Interrupt:-Non-Vector Interrupts are those interrupts in which interrupts device does not supply the address of subroutine.

8)Priority Interrupts:-Priority Interrupts are those interrupts in which each signal are described at their priority level.High devices gives as high priority like disc and low device as low priority like keyboard.



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