Subject

    Computer Technology (Bank)

    Topic

    Operating System

    In computer terms, what does encryption of data' mean?

    ক)
    Data cannot be sent over the internet
    খ)
    Data is encoded soit cannot be read without decoding software
    গ)
    Data is kept locked in special room
    ঘ)
    None

    Explanation

    Encryption is the process of converting data into a secret code (ciphertext) to protect its confidentiality during transmission or storage. Only someone with the correct decryption key can reverse this process and read the original information. Option A is wrong because encryption *enables* secure transmission over the internet; Option C describes physical security, not digital encoding; Option D is incorrect because A and B are flawed.

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