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    Question

    A/An ________ is a computer program that spreads by

    inserting copies of itself into other executable code or documents.
    A Operating system Correct Answer Incorrect Answer
    B Computer Virus Correct Answer Incorrect Answer
    C Firewall Correct Answer Incorrect Answer
    D Anti-virus Correct Answer Incorrect Answer

    Solution

    Viruses. A computer virus is software usually hidden within another seemingly innocuous program that can produce copies of itself and insert them into other programs or files, and that usually performs a harmful action (such as destroying data).

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