Subject

    Computer Science

    Topic

    Computer Hardware

    Which error detection adds a single bit to indicate odd/even number of 1s?

    ক)
    CRC-32
    খ)
    Hamming(7,4)
    গ)
    Simple parity bit
    ঘ)
    Reed-Solomon

    Explanation

    Parity detects any odd number of bit flips but cannot correct errors. Hamming codes can correct single-bit errors and detect double-bit errors. CRCs provide strong detection for bursts on networks and storage. Choice depends on cost, latency, and reliability needs.

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