Device driver

Such as those which written in article of What Is Computer 1, there are three division software that is operating system itself, application user, and last of device driver. This opportunity, I will a littel studying about device driver, in a word device driver is channel of place software communicate with hardware.

Simply device driver is same as other application, although with a few very important difference. First, device driver not use the window and icon to communicate with the user, but there is among program which You use and hardware itself. Ordinary application will not men-crash of overall of system if there are bug, but device driver have to be writed by cleanness and dites so that can work properly.

In a lot of matter of device driver loo like by Dynamic [is] Link Library or file DLL used by Windows and each;every program for the save of part of code which often used. When device driver walk, he give the information ( so-called object driver) to Windows hit to which hardware the communicate and what can do of.

Follow the example of the communications device that is when You wish to print the document or incircuit to Internet, Windows will check the Function Dispatch Table to see the such as code which can do the the request. After finishing, Windows later;then will give the the request to pertinent device driver so that executed, so that Your printer make a move and Your modem turn around the number ISP.

FURTHERMOR visited windowsupdate.microsoft.com or go.microsoft.com
from pc media