The correct answer is I, II, and III.
- Statement I is true; the Internet indeed connects devices and networks globally.
- Statement II is true; the Internet facilitates collaboration among people to solve problems.
- Statement III is true; the Internet is a significant means of communication.
- Statement IV is false; there are various negative consequences associated with the Internet, including misinformation, cyberbullying, privacy concerns, and more.
Therefore, the most accurate choice is I, II, and III.