Question Detail
Question
What type of OS allows multiple users to access the computer system concurrently?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Multi-user OS is explicitly listed as a type of operating system. By definition, it allows multiple users to access the computer system and its resources at the same time, or at different times.
Hint
This OS type is designed to handle requests from many users simultaneously, like on a mainframe or server.