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: -Macro Virus These viruses are usually stored as part of a document and can spread when the files are transmitted to other computers, often through email attachments.

Detailed explanation-3: -It is important to note that a virus cannot be spread without a human action, (such as running an infected program) to keep it going. People continue the spread of a computer virus, mostly unknowingly, by sharing infecting files or sending e-mails with viruses as attachments in the e-mail.

Detailed explanation-4: -Macro virus. It is transmitted through a phishing email message containing a malicious attachment. As users share the infected documents with others, often by forwarding the email, the virus spreads and infects additional devices.

Detailed explanation-5: -A virus can be spread when a user opens an email attachment, runs an executable file, visits an infected website or views an infected website advertisement, known as malvertising. It can also be spread through infected removable storage devices, such as Universal Serial Bus (USB) drives.