____ efforts such as GNU, Linux, and Apache provide useful software for little or no money to many computer users.
A) Hacker
B) Peer-to-peer
C) Free thought
D) Open source

Question

Quizplus · Accepted Answer

The reference to GNU, Linux, and Apache, as well as the mention of "useful software for little or no money," suggest that the term being described is open source, which refers to software that is freely available for anyone to use, modify, and distribute. The other choices (hacker, peer-to-peer, free thought) do not accurately describe this particular type of software development and distribution.

____ Efforts Such as GNU, Linux, and Apache Provide Useful