Definition

1. Noun:
   • (Computing) A software program that enables a computer's operating system to communicate with and control a specific hardware component or peripheral device. It acts as a translator between the high-level commands from the OS and the specific electrical signals the hardware understands. Without the correct driver, a device like a printer, graphics card, or scanner may not function properly or at all.

Usage Examples

• Noun:
  • I need to update the device driver for my new graphics card to improve performance.
  • The printer isn't working because the computer is missing the necessary device driver.
  • Windows automatically installed a generic device driver for the webcam.

Advanced Usage

• "to install/load a device driver": The process of adding the driver software to the operating system so it can recognize and use the hardware.

  • You must install the device driver from the manufacturer's website for full functionality.

• "driver conflict": A situation where two or more device drivers interfere with each other, causing system instability.

  • The blue screen error was caused by a driver conflict between the new sound card and the old network adapter.

• "signed driver": A device driver that has been digitally certified by the operating system vendor (e.g., Microsoft) to ensure its authenticity and stability.

  • For better security, the system administrator only allows signed drivers to be installed on company computers.

Variants and Related Words

• Driver (n): A common shortened form of "device driver."

  • Make sure you have the latest driver for your Wi-Fi adapter.

• Driver software (n): A synonymous phrase emphasizing the programmatic nature of a device driver.

  • The driver software for this scanner is included on the installation disc.

• Kernel-mode driver (n): A type of device driver that operates with high-level privileges in the core of the operating system, typically for critical hardware.

• User-mode driver (n): A type of device driver that operates with lower privileges, often for less critical peripherals, to improve system stability.

Synonyms

• Controller: Often used interchangeably in a hardware/software context.
• Hardware driver: A more explicit synonym.
• Peripheral driver: Specifically emphasizes drivers for external devices.

Related Phrases

• "Plug and Play": A standard that allows a system to automatically configure and install device drivers for new hardware.

  • Most USB devices are Plug and Play, so the operating system finds the device driver automatically.

• "Roll back a driver": To revert to a previous version of a device driver, often to fix problems caused by an update.

  • After the update, my mouse stopped working, so I had to roll back the driver.

Idioms

(Note: As a technical term, "device driver" is not commonly used in idiomatic expressions. Its usage is almost exclusively literal within computing contexts.)

Noun

1. (computer science) a program that determines how a computer will communicate with a peripheral device