device driver

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device driver

[di′vīs ‚drīv·ər]
(computer science)
A subroutine which handles a complete input/output operation.

device driver

(operating system)
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.
References in periodicals archive ?
The company's DriverBoost software helps PC owners update their hardware drivers, which are small bits of code that allow component hardware to communicate with the operating system.
NI Upgrades Software Packages, Adds 64-Bit Hardware Drivers to Support Latest Microsoft Operating System
Today's announcement comes as a result of Pinnacle's decision not to support hardware drivers for future versions of the Adobe Premiere product line.
NI also released new 32-bit and 64-bit hardware drivers with support for the 32-bit and 64-bit versions of Windows Vista.
Other new hardware drivers for RT-LAB offer support for * Greenspring MIL-STD-1553 Interface * National Instrument PCI-DIO-96 * 8255-based Digital I/O (NI-6025E, NI-6508) * An extended array of FireWire hardware.
Complete reference design -- including RF, hardware drivers, application software, and full simulation and verification environment
The development suite contains the LinxSmart library, hardware drivers, the LinxSmart Loyalty Manager software with full documentation, and source code in Borland(R) Delphi(TM) and TURBOPOWER(R) Orpheus(TM) (both sold separately).
All Data Translation USB and PCI hardware drivers will work with Vista and because of the underlying DT-Open Layers for .
No hardware drivers or additional software are required to fully support connectivity with PCs running the latest operating systems including Windows(R) XP, 2000, Me and 98 and Mac OS(TM) 8.
NI application software including LabVIEW, LabWindows[TM]/CVI, Measurement Studio and SignalExpress, as well as NI hardware drivers for PCI Express, PCI, PXI and USB devices, will be available for use with Windows Vista shortly after Microsoft releases the operating system to the general public.
The development suite contains the LinxSmart library, hardware drivers, and the LinxSmart Loyalty Manager software with full documentation, and source code in Borland(R) Delphi(TM) and TURBOPOWER(R) Orpheus(TM) (both sold separately).
These problems can occur for many reasons including being left-behind after the un-installation or incorrect removal of software, by missing or corrupt hardware drivers, or orphaned startup programs.

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