M.C.A. DEGREE EXAMINATION, 2007
( SECOND SEMESTER )
( PAPER - XI )
240. OPERATING SYSTEM
May
Time : 3 Hours
Maximum : 100 Marks
Answer any FIVE questions.
All questions carry equal marks. (5 × 20 = 100)
1. (a) Discuss the Round Robin scheduling in process allocation. (10)
(b) Discuss the general features of a file system. (10)
2. (a) What is paging ? Explain the paging scheme of memory allocation in detail with suitable example. (10)
(b) What is a semaphore ? Explain the operations of semaphore mechanism using Binary and counting semaphores. (10)
3. (a) What is Deadlock ? Explain possible methods of avoiding deadlocks and discuss their merits. (10)
(b) Discuss in detail about the evolution of operating systems. (10)
4. (a) With an example, describe the term spooling. Describe how it differs from Buffering. (10)
(b) Illustrate the inter process communication facility in traditional computing machines. (10)
5. (a) Explain the concept of discrete process states and its transition. (10)
(b) Explain the various security measures related to I/O devices. (10)
6. (a) Describe any two disk seek optimization stategies. (10)
(b) Describe the operation disk of moving - head disk storage. (10)
7. Explain Demand paged memory management technique in detail. (20)
8. Write short notes on the following :
(a) Ram Disk Drives. (5)
(b) Device controllers. (5)
(c) Servers. (5)
(d) Encryption. (5)
( SECOND SEMESTER )
( PAPER - XI )
240. OPERATING SYSTEM
May
Time : 3 Hours
Maximum : 100 Marks
Answer any FIVE questions.
All questions carry equal marks. (5 × 20 = 100)
1. (a) Discuss the Round Robin scheduling in process allocation. (10)
(b) Discuss the general features of a file system. (10)
2. (a) What is paging ? Explain the paging scheme of memory allocation in detail with suitable example. (10)
(b) What is a semaphore ? Explain the operations of semaphore mechanism using Binary and counting semaphores. (10)
3. (a) What is Deadlock ? Explain possible methods of avoiding deadlocks and discuss their merits. (10)
(b) Discuss in detail about the evolution of operating systems. (10)
4. (a) With an example, describe the term spooling. Describe how it differs from Buffering. (10)
(b) Illustrate the inter process communication facility in traditional computing machines. (10)
5. (a) Explain the concept of discrete process states and its transition. (10)
(b) Explain the various security measures related to I/O devices. (10)
6. (a) Describe any two disk seek optimization stategies. (10)
(b) Describe the operation disk of moving - head disk storage. (10)
7. Explain Demand paged memory management technique in detail. (20)
8. Write short notes on the following :
(a) Ram Disk Drives. (5)
(b) Device controllers. (5)
(c) Servers. (5)
(d) Encryption. (5)