FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A computer virus is malicious code that replicates by copying itself to another program, computer boot sector or document and changes how a computer works. A virus spreads between systems after some type of human intervention.

Detailed explanation-2: -A computer virus is a type of malicious software that attaches itself to other programs, self-replicates, and spreads to other computers. So, what’s the difference between a virus and malware (malicious software)? Virus is often a catch-all term used to refer to any kind of software created to be harmful.

Detailed explanation-3: -A computer virus is a kind of malicious computer program, which when executed, replicates itself and inserts its own code. When the replication is done, this code infects the other files and program present on your system.

Detailed explanation-4: -computer virus, a portion of a computer program code that has been designed to furtively copy itself into other such codes or computer files. It is usually created by a prankster or vandal to effect a nonutilitarian result or to destroy data and program code or, in the case of ransomware, to extort payment.