Subject

    Computer Technology (Bank)

    Topic

    Operating System

    ................. refers to the philosophy of sharing computer-processing resources.

    ক)
    Cloud Computing
    খ)
    Operating System
    গ)
    Block Chain
    ঘ)
    Key Chain

    Explanation

    The **Operating System (OS)** is fundamentally the philosophy and mechanism for sharing the computer's central processing resources (CPU time, memory, I/O) among multiple users or applications. It manages these resources to ensure efficient and fair access for everything running on the machine. * 'Cloud Computing' involves delivering computing services over the internet, not the core philosophy of internal resource sharing. * 'Block Chain' is a distributed ledger technology for recording transactions securely. * 'Key Chain' typically refers to a collection of cryptographic keys or a physical object, not a computing philosophy.

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