FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A computer virus is a type of malware that attaches to another program (like a document), which can replicate and spread after a person first runs it on their system. or instance, you could receive an email with a malicious attachment, open the file unknowingly, and then the computer virus runs on your computer.

Detailed explanation-2: -Virus is a program written to enter to your computer and damage/alter your files/data. A virus might corrupt or delete data on your computer. Viruses can also replicate themselves.

Detailed explanation-3: -Today, these criminals usually try to use malicious software to steal money from their victims. Viruses and worms are usually used to: Take control of your computer with the aim of using it for fraud without your knowledge.

Detailed explanation-4: -A computer virus is a harmful program that is designed to insert unwanted code into another program or file (the host file). Each time the host file is run, the virus code in it will also run and insert more unwanted code, either into the same file or into other files on the same machine.

Detailed explanation-5: -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.