A device driver of an output device

interprets input provided by the user into a computer-usable form

interprets computer output into user-understandable form

translates user inputs into output device

facilitates user to communicate with the output device

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Answer is Wrong!

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UPSC CISF-AC-EXE – 2019

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The correct option is B.

A device driver is a software component that allows the operating system to communicate with a hardware device. For an output device (like a monitor or printer), the device driver receives data and instructions from the operating system or applications in a standardized format. It then translates this data into commands and signals that are specific to the particular output device, enabling the device to produce output in a form that is understandable or usable by the user (e.g., displaying graphics on a screen, printing text on paper). Option B accurately describes this translation process from computer output to a user-understandable form.

For input devices, the driver performs the opposite function: it translates the signals received from the device (e.g., keyboard presses, mouse movements) into a format that the operating system and applications can understand.

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