What is device drivers, Computer Engineering

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A device driver is software interface that manages communication with and control of a particular I/O device or type of device. It is task of device driver to convert logical requests from user into specific commands directed to device itself. For illustration a user request to write a record to a floppy disk will be realised within device driver as a sequence of actions like checking for presence of a disk in drive, locating the file via disk directory, positioning the heads etc..


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