Answer:
I think A modern operating system is usually used in personal computers
Answer: They organize, install, and support an organization's computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems.
Explanation:
It's often Linux since Linux is free, but it could be Windows.
The browser should default to Calibri (body)
Not a Question so how am i supposed to help with this problem