Centre for Development of Advanced Computing%28C-DAC%29 2004 M.C.A 201 Operating System - Question Paper

END-TERM exam
Third Semester [MCA] - DECEMBER 2004
Paper Code: MCA 201 Subject: Operating System
Time: three Hours Maximum Marks: 70

Q. 1.
(a) elaborate the various functionalities of an operating system? discuss.
6
(b) How protection is given by the operating system at the file system
level? discuss various protection mechanism. 6

Q. 2.
(a) What is a process? How it differs from a program? Differentiate
ranging from a multiprocessing system and a multiprocessor system. 6
(b) discuss the purpose of schedulers. With a neat diagram discuss
various kinds of schedulers. 6

Q. 3.
(a) What is a directory? discuss various directory structure. 6
(b) discuss the linked and indexed memory allocation technique for
secondary storage management. How file space is allocated in Unix
Operating system? 6

Q. 4.
(a) Differentiate ranging from buffering and spooling. 4
(b) discuss pages segmentation memory management technique. What
special hardware are needed for such a system? 8

Q. 5.
(a) What is deadlock? discuss 4 necessary condition for a deadlock to
occur. 6
(b) What is thrashing? Why is it required? 6

Q. 6.
(a) What do you mean by fragmentation? How the fragmentation
issue can be solved? 6
(b) What is device controller? State a few advantages of placing
functionality in a device controller rather than in the kernel. 6

Q. 7.
(a) elaborate the different algorithms for process scheduling? discuss every
of them. 8
(b) elaborate concurrent and cooperating processes? discuss. 4

Q. 8. Write short notes on every of the subsequent :-
12
(a) Segmentation
(b) Page Fault
(c) Virtual Memory

Earning:   Approval pending.