11.1. Exam 1

Complete take home essay exam 1 and submit typed answers in K-State Online.

1. Explain the statement “The operating system manages the computer’s resources” as you would to someone who knows very little about computers.
2. As discussed in this class, what is the distinction between a physical resource and an abstract resource?
3. Explain how and why interrupts are useful.
4. Explain how the round robin scheduling algorithm combines the best attributes of both first come–first served and shortest job next.
5. In what ways is multilevel priority queue process scheduling similar to shortest job next and also round robin?
6. Describe the difference between CPU bound and I/O bound processes.
7. What are Process Control Blocks and how does the operating system use them?
8. Why does the CPU have a mode bit for user mode and supervisor mode? What changes depending on the value of the mode bit?