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Question: 1 / 1980

Which of the following best defines a "virus" in computer terms?

A small code that enhances application performance

A string of code that requires a host application to function

The definition of a virus in computer terms is best encapsulated by the idea that a virus is a string of code that requires a host application to function. A virus operates by attaching itself to a legitimate program or file, and it cannot execute or replicate independently. This characteristic distinguishes it from other types of malicious software, as the virus needs the environment provided by the host application to perform its actions, such as replicating itself or causing harm.

Understanding this definition is crucial for recognizing how viruses spread and the importance of scanning and securing host applications to prevent infection. Each execution of the host application allows the virus to be activated, which is why appropriate antivirus measures focus on monitoring these interactions.

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A program designed to secure a system

A large application that manages network security

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