Question

explain what is virus ? ​

Answer 1

The full form of V I R U S is VITAL INFORMATION RESOURCES UNDER SEIZE.

A computer virus is a program or a set of programs that disrupts normal operation(working) of a computer .It destroys the data. It enters the computer without the user's permission.

Answer 2

$virus \:$
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↪A strand of hereditary material surrounded by a protein coating which multiplies by making copies of itself using a host cell .

↪It can be prevented by vaccines , antiviral , drugs , improving sanitary conditions , separating infected patients and controlling animals that spread disease .

↪your body produces inference to Naturally protect itself .