Explanation:

The question describes a specific type of software update designed to fix known errors, often distributed freely online. This is a common practice in software maintenance. Option (b) Patch: A 'patch' is a small piece of software designed to update a computer program or its supporting data, to fix or improve it. Patches are most commonly used to fix bugs, address security vulnerabilities, or add minor enhancements. They are typically distributed by software vendors and are often available for free download from the internet. The term 'patch' comes from the idea of literally patching a hole in a garment. In software, it's a quick fix applied to existing code without requiring a full reinstallation of the software. Therefore, 'patch' perfectly matches the description of a repair for a known software bug, generally available free of cost on the internet. Option (a) Version: A 'version' refers to a specific release of a software product. When significant changes, new features, or a large collection of bug fixes are implemented, a new version (e.g., Version 1.0, 2.0, or 1.1) is released. While new versions often include bug fixes, a 'version' is a complete iteration of the software, not just a small repair for a known bug. Patches are typically applied *to* an existing version. Therefore, 'version' is a broader concept and not the specific term for a small repair. Option (c) Tutorials: 'Tutorials' are instructional guides or lessons designed to teach users how to use a software program, perform specific tasks, or understand a concept. They provide step-by-step instructions and explanations. Tutorials do not fix software bugs; they help users learn. Therefore, this option is incorrect as it describes educational material, not a software repair. Option (d) FAQ: 'FAQ' stands for 'Frequently Asked Questions'. An FAQ document or section provides answers to common questions that users might have about a product or service. While an FAQ might address known bugs by explaining workarounds or informing users about available patches, the FAQ itself is a document containing information, not the software repair (patch) itself. Therefore, this option is incorrect as it describes informational content, not a software fix. Option (e) None of these: This option would be correct only if none of the other options accurately described a software repair for a known bug, available freely online. However, 'patch' is the precise and widely used term for such a repair. Since a correct and fitting option is provided, 'none of these' is incorrect.