OPERATING SYSTEM 1

1.Explain the two main functions that an Operating System performs.

2.Explain the three classes or types of users of a computer system.

3.List and describe five errors that virtual I/O registers handle.

4.Distinguish between batch operating system and interactive operating system.

5.List and briefly explain the seven components that a file system manager must have (or the seven objectives/functions of a file system manager).

6.List and explain four types of information that are usually kept in a directory.

7.What is meant by a system call in an operating system?

8.Describe the two forms of interface that operating systems provide to users of computer systems.

9.Distinguish between frame, page and segment in operating systems

10.Explain the three main tasks that memory management performs

11.Briefly explain the two important issues that are involved during the performance of memory management’s 3 main tasks you explained in (10) above.

12.What are the duties of a paging mechanism in operating systems?

13.As the execution of processes is normally performed alternately, a process can be in one of four states. List and briefly explain (in a sentence or two) any of the four process states that you know.

14.In your opinion, what are some of the reasons why a process may be terminated from the system?

15.Differentiate between preemptive and non-preemptive scheduling

16.Explain two main functions that a file system manager performs in an operating system