Subject

    Computer Science

    Topic

    Computer Hardware

    Which addressing mode adds a register to an immediate offset to form the effective address?

    ক)
    Register indirect with displacement
    খ)
    Immediate only
    গ)
    PC-relative only
    ঘ)
    Absolute (direct)

    Explanation

    Many ISAs support base+offset addressing for arrays and structs. The base register holds a pointer; a small immediate encodes field offset. It’s compact and fast for memory operands. PC-relative is used primarily for code and position independence.

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