Define "software update."

• A. A new software application
• B. A version of software that is obsolete
• C. A release that improves functionality or security
• D. An application installation procedure

Answer: (C)

A software update refers to a release that improves functionality or security. This can include enhancements such as bug fixes, performance improvements, and the addition of new features. Updates are essential for maintaining the software's efficiency and protecting it against potential vulnerabilities, making it a crucial aspect of software management.

In contrast, a new software application involves the introduction of entirely new software, rather than modifications to existing software. An obsolete version of software signifies that it is outdated and no longer supported, which differs from the proactive improvements associated with updates. Lastly, an application installation procedure outlines the steps needed to install software, but it does not encompass the ongoing improvements and fixes that updates provide.