Subject

    Computer Science

    Topic

    Computer Fundamental

    Which of the following type of technology lets computer use light as a source of input?

    ক)
    Operative
    খ)
    Optical
    গ)
    Optimal
    ঘ)
    Optional

    Explanation

    Optical technology refers to the use of light as a means to detect input, as seen in devices like optical mice, optical scanners, and optical character recognition systems.

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