A computer virus[1] is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code into those programs. [2][3] If this replication succeeds, the affected areas are then said to be "infected" with a computer virus, a metaphor derived from biological viruses. [4]

A computer virus is an ill-natured software application or authored code that can attach itself to other programs, self-replicate, and spread itself onto other devices. When executed, a virus modifies other computer programs by inserting its code into them.

2024年2月29日 · A computer virus is a malicious code or program designed to spread from one computer to another, causing damage to data and system operations. Learn how viruses work, signs to look out for, and the main types.

A computer virus is a type of malicious software, or malware, that spreads between computers and causes damage to data and software. Computer viruses aim to disrupt systems, cause major operational issues, and result in data loss and leakage.

2022年4月28日 · A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself.

Computer viruses spread across systems, infecting programs & files with malicious code. Learn to scan for viruses (and try our free virus scanner), remove viruses, and protect your computer against future infections.

In this article, we shall discuss in detail what is a computer virus and what are its different types. Also, we will read on to know what is an Anti-virus and how it can nullify a virus in our computer devices, along with some sample questions from the competitive exam point of view.

From macro virus to trojan horse, there are many different types of computer virus out there. Read our list of the most common ones & how to avoid them now.

What is a computer virus? Top. Like a biological virus, a computer virus is a program that executes and replicates itself without the knowledge of the "host," or in this case, the computer user. While a virus is not necessarily destructive in nature, some viruses can overwrite or corrupt files, rendering a computer useless. 1.

2025年1月19日 · One of the most effective ways to create mischief on a computer is through malware, such as a computer worm or virus. Let’s discuss about computer viruses in detail, explaining how they come into existence and how they can affect our systems. Table of Contents. What is a Computer Virus?