UNIBLUE DRIVERSCANNER 2009 Informations techniques Page 10

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www.uniblue.com Back to Chapter 2 - Understanding drivers
Back to Contents
Drivers also called device drivers or software drivers enable high-level computer
programs to operate hardware. Just about all the equipment that runs on or in you
computer (from the motherboard, the hard-disk and the video card, through to the
mouse, screen and printer) will be operated using their own particular software. Drivers
are specific to the particular hardware device and the operating system used which
means that you will need to ensure that the installed driver is right for that combination
of equipment and operating system.
The driver will take a generic high level command from the operating system and
then translate this into a low-level form that the hardware understands. This makes
programming simpler since the creator of a word processing application doesn’t need
to program a different set of instructions for every single printer that it may be expected
to print to. Drivers also give hardware developers more freedom to change, alter and
expand the functionality of their equipment without having to worry about the high
level applications being able to communicate with the hardware.
What are drivers?2.1
This comprehensive tutorial gives more information on the most important aspects of
system drivers.
Understanding drivers
2
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