Other Bachelor Degree- OPERATING SYSTEM FUNDAMENTALS (Karunya University, Coimbatore-2012)

Reg. No. ________                                                                                                                                                      

Karunya University

(Karunya Institute of Technology and Sciences)

(Declared as Deemed to be University under Sec.3 of the UGC Act, 1956)

 

Supplementary Examination – June 2012

 

Subject Title :            OPERATING SYSTEM FUNDAMENTALS                                                Time : 3 hours

Subject Code:            09IT223                                                                                                                             Maximum Marks: 100           

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

Answer ALL questions

PART – A  (10 x 1 = 10 MARKS)

1.         What is the dual-mode of operation?

2.         Write any one possibility that exist in terms of execution while creating a process?

3.         What are the requirements to solve critical-section problem?

4.         Define monitors.

5.       What are the conditions under which a deadlock situation may arise?

6.       What do you mean by frames and pages?

7.         What are the various file operations?

8.         What are the most common schemes for defining the logical structure of a directory?

9.         Name the various disk-scheduling algorithms.

10.       Define rotational latency.

 

PART – B  (5 x 3 = 15 MARKS)

11.       What are the activities performed by the process management?

12.       Give the structure of semaphore while implementing mutual-exclusion?

13.       What do you mean by safe state and an unsafe state?

14.       What are the advantages and disadvantages of Linked allocation?

15.       What is the use of boot block?

 

PART – C  (5 x 15 = 75 MARKS)

 

16.       Explain the various operating system structures.       
                                                                                                                (OR)

 17.      Discuss system calls in detail.                                               

             

18.       a.         Differences between a Process and Thread.                                                                                                               (7)

            b.         Explain Bankers Algorithm in detail.                                                                                                             (8)

(OR)

19.       Explain critical section problem and solutions in detail.                    

 

20.       Discuss about deadlock detection and recovery techniques with its various issues.

(OR)

21.       Describe segmentation in detail.                                                        

 

22.       a.         Explain in detail the free space management with neat diagram.                                                       (7)

            b.         Describe file types and attributes.                                                                                                                  (8)

(OR)

23.       Discuss the various file allocation methods in detail.

 

24.       Explain in detail the various disk scheduling algorithms with suitable example.      

(OR)

25.       Write short notes on the following:                                                                                                                                                    (7+8)

a.  Kernel I/O subsystem                                     b.         RAID structure

Earning:  ₹ 0.00/-