With reference to computers and the internet, which of the following appears…

PYQ SSC JE (Junior Engineer) 2021

With reference to computers and the internet, which of the following appears to be harmless but actually produces harmful results?

  1. A.

    Worm

  2. B.

    Trojan horse

  3. C.

    Patch

  4. D.

    Virus hoax

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