ITPEC IP October 2021 Question 12
ITPEC IP October 2021 — Question 12 of 100
A device driver is software that controls and operates a peripheral device on behalf of the operating system. It translates general OS requests into commands understood by a specific printer, display adapter, storage device, or other hardware.
Answer (a)
Why not others:
- a compiler translates source programs
- middleware supplies common services between applications and platforms
- utility software performs maintenance or support tasks rather than acting as the hardware-specific control interface
Key rule: The device driver is the software layer through which the OS communicates with a particular hardware device.
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