Bharathiar University 2009 B.C.A Computer Application Bachelor of , - -Operating Systems - Question Paper

Bachelor of Computer Application (BCA), NOV - 2009

Operating Systems


1. ____________ contains the most frequently used functions in operating system.
a. Monitor
b. Sceduling
c. Nucleus
d. None of the above
1.0 Mark(s)
2. The function of 'Ref' in Linux is ____________.
a. Pointer to this modules symbol table
b. List of modules that use this module
c. Starting address of module
d. Current state of module
1.0 Mark(s)
3. ____________ character is used to access any file on the disk.
A. Back slash
b. Forward slash
c. $
d. Double slash
1.0 Mark(s)
4. In modern operating system, ____________ is used to restore file system incase of disk crashes and system failure.
a. MVS
b. FAT
c. NTFS
d. None of the above
1.0 Mark(s)
5. The number of process running simultaneously and competing for the CPU is known as ____________ of multiprogramming.
a. Ratio
b. Depth
c. Degree
d. None of the above
1.0 Mark(s)
6. After termination, the operating system is put to - state for a while before removing all its detail from memory.
a. New
b. Halt
c. Blocked
d. Ready
1.0 Mark(s)
7. ____________ fit decreases search time considerably.
a. First
b. Best
c. Quick
d. None of the above
1.0 Mark(s)
8. A page replaced in main memory is called as ____________ page.
a. replaced
b. Dirty
c. changed
d. Altered
1.0 Mark(s)
9. In ____________, a secondary server takes over in case of primary server failure.
a. Server shared disk
b. Server connected to disk
c. Passive stand by
d. Active stand by
1.0 Mark(s)
10. Caching is used in ____________ clusters.
a. Beowulf
b. Windows 2000
c. Sun
d. None of the above
1.0 Mark(s)

11. a. define the services of operating system in detail.

Or

b. Write a note on client/server model.
5.0 Mark(s)

12. a. discuss about the Booting concept.

Or

b. define the usage of device driver.
5.0 Mark(s)

13. a. What is situation switching? discuss.

Or

b. define the various process states of operating system.
5.0 Mark(s)

14. a. State the usage of variable partition.

Or

b. discuss the working of compaction.
5.0 Mark(s)

15. a. Categorize the various classes of client/server applications.

Or

b. discuss the concept of W2K cluster server design.
5.0 Mark(s)

16. a. Elucidate the working of Time sharing system with example.

Or

b. Sketch the architecture of UNIX in detail.
8.0 Mark(s)

17. a. provide the structure of operating system with a neat diagram.

Or

b. explain about
i. File mounting and
ii. Disk formatting
8.0 Mark(s)

18. a. What is a process? discuss.

Or

b. Comment on process state transition.
8.0 Mark(s)

19. a. discuss the concept of paging. Use any 1 method and discuss how PMT's implemented.

Or

b. explain any five page replacement policies with example.
8.0 Mark(s)

20. a. define the concept of Remote procedure call.

Or

b. explain about clusters.
8.0 Mark(s)

Earning:   Approval pending.