Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).

Software & Operating SystemsOperating System Functions

What essential software does a computer require to boot up?

A.Application Software
B.Device Driver
C.Firmware
D.Operating SystemCorrect answer

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Quick fact: A computer requires an Operating System to boot up, as it manages hardware resources and provides the platform for all other software to run.

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