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2 definitions found
 for device driver
From WordNet (r) 3.0 (2006) :

  device driver
      n 1: (computer science) a program that determines how a computer
           will communicate with a peripheral device [syn: driver,
           device driver]

From The Free On-line Dictionary of Computing (18 March 2015) :

  device driver
      Software to control a hardware component
     or peripheral device of a computer such as a magnetic
     disk, magnetic tape or printer.
     A device driver is responsible for accessing the hardware
     registers of the device and often includes an interrupt
     handler to service interrupts generated by the device.
     Device drivers often form part of the lowest level of the
     operating system kernel, with which they are linked when
     the kernel is built.  Some more recent systems have loadable
     device drivers which can be installed from files after the
     operating system is running.

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