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    What does the abbreviation 'PCB' stand for in operating systems?
    Question

    What does the abbreviation 'PCB' stand for in operating systems?

    A.

    Process Communication Block

    B.

    Program Control Block

    C.

    Primary Communication Bus

    D.

    Process Control Block

    Correct option is D

    The correct answer is (d) Process Control Block
    Explanation:
    . PCB stores information about a process
    . Includes process state, registers and program counter
    . Essential for process scheduling
    . Used by operating system kernel
    Information Booster:
    . One PCB exists for each process
    . Helps in context switching

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