Subject

    Computer Science

    Topic

    Computer Hardware

    Which error-correcting code can correct single-bit and detect double-bit errors?

    ক)
    Simple parity
    খ)
    Hamming code (SECDED)
    গ)
    CRC-16 only
    ঘ)
    Repetition code (2×)

    Explanation

    Hamming codes with an extra parity bit provide Single-Error-Correction, Double-Error-Detection. They’re used in ECC memory lines. CRCs detect patterns well but don’t correct without extra redundancy. Repetition codes are inefficient in bandwidth.

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