What is a computer virus?

• A. A type of operating system
• B. A form of email service
• C. A type of malware that replicates itself
• D. A basic programming language

Answer: (C)

A computer virus is defined as a type of malware that replicates itself by attaching to legitimate programs or files. When a user executes the infected program or opens the compromised file, the virus activates, often spreading to other files on the same computer or even to other computers via various means, such as networks or removable storage devices. This self-replicating capability is what distinguishes a computer virus from other types of malware, as it can spread without user intervention once it infiltrates a system.

Understanding the nature of computer viruses is crucial for implementing effective security measures. Awareness of how these viruses operate can lead to better prevention strategies, such as using antivirus software and practicing safe browsing habits.