Among the given options (GPU, Keyboard, Disc, Printer), the "Disc" (referring to the hard drive or storage device) holds the operating system, programs, and data that the computer needs to function. Without storage, a general-purpose computer cannot load its software or store information.
The most important part of a computer is
Asked in UPPCS Prelims 2012 · Topic: Components of a Computer System (Central Processing Unit (CPU): Architecture, ALU, Control Unit, Registers)
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