Model Question paper of "Operating System"

Model paper 

(Operating System)

Time : Three Hours                                                                         Maximum Marks : 100

Note : Answer five questions in all. Short answer type Question No. 1 carrying 40 marks is compulsory.Answer one question carrying 15 marks from each unit. The answer to short questions should not exceed

200 words and the answer to long questions should not exceed 500 words.

1. Give short answer to the following questions:                                                     4x10=40

(a) List out the major operating system functions.

(b) Define virtual memory.

(c) Differentiate between multitasking and time sharing system.

(d) What is hashing?

(e) Differentiate between line and sequential file access.

(f) Discuss key features of Unix operating system

(g) Explain the different file types available in UNIX.

(h) Differentiate CUI and GUI. Give example for both interfaces.

(i) What is the purpose of windows explorer?

(j) Name various accessories in windows.

                                                                            UNIT I

2. Enumerate the basic functions of operating system and explain each in brief.            15

OR

3. Explain the microkernel approach to operating system design. Also enumerate its advantages and

disadvantages.

    UNIT II

4. What do you mean by file organization? briefly explain.                                    15

OR

5. Explain in detail about various file accessing techniques.

                                                                                UNIT III

6. Explain the architecture of UNIX operating system.                                         15

OR

7. Describe the role of file descriptors, file table and incode table in UNIX file system.

    UNIT IV

8. Give detailed overview of different versions of windows operating system. 15

OR

9. What are the key benefits of GUI based operating system.