You are a software developer who wants to start developing mobile apps for smartphones. You have the option to develop apps for an open-source operating system. Which of the following could persuade…

Question

Options

• AAn open-source license will never be in the public domain.
• BSource code for an open-source app is not viewable and cannot be modified.
• COpen-source operating systems and development tools are free from software bugs and
• DThe operating system and associated development tools are free, provided you comply

• B
  5% (2)
• C
  3% (1)
• D
  92% (35)

Explanation

Option D is correct because a primary advantage of open-source operating systems (like Android or Linux) is that the OS itself and its development tools are freely available at no cost, as long as you comply with the license terms - making it financially attractive for developers to adopt.

Why the distractors are wrong:

• A is false: open-source software can enter the public domain, and "never" makes this an absolute claim that doesn't hold.
• B is the opposite of reality - a defining feature of open-source is that source code is viewable and can be modified.
• C is false: no software is guaranteed bug-free; open-source projects have bugs just like proprietary ones.

Memory tip: Think of "open-source" as "open wallet saver" - the core appeal is that the code is open (visible, modifiable) and the cost is free, provided you follow the license. If a choice says open-source code is hidden or bug-free, it's wrong by definition.

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