Case 3 Your Professor Has Assigned You to Give a Presentation

Case 3 Your professor has assigned you to give a presentation on operating systems to your Introduction to Computers class. Your presentation needs to include information on different operating systems for different computing tasks, as well as examples of different types of operating systems. What operating system will IBM's OS/390 be listed under?

A) network operating systems
B) single-user operating systems
C) multitasking operating systems
D) multiuser operating systems