Not many people know about device drivers until they need to find one, be it for a printer or most commonly a modem driver. Finding one can be very difficult to say the least if you are using HSP based modem drivers.
What is a Device Driver?
Every device, be it be a printer, modem, or keyboard, must have a driver program. Many device drivers, such as the keyboard driver, come with the operating system. For other devices, you may need to load a new driver when you connect the device to your computer. Note that in the older DOS systems, drivers are files with a.SYS extension. now in Windows environments, drivers often have a.DRV extension.
What do they do?
A device driver is nothing more than a glorified translator which fits between the device and programs that use the device. Each device be it a modem or printer has its own set of commands that only its driver knows. That bieng said, however most programs access devices by using generic commands. The device driver, therefore, accepts generic commands from a program and then translates them into specialized commands for the device.
Finding them:
Finding a driver can be very difficult as...
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