Shivaji University 2005 B.E Computer Science OPERATING SYSTEMS 1 - Question Paper

H-490
THIRD YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-1) EXAMINATION, 2005
SHIVAJI UNIVERSITY, KOLHAPUR
OPERATING SYSTEMS 1

Day and Date: Monday, 5-12-2005 Total Marks: 100
Time: 10.00p.m. To 1.00p.m.

Instructions:

Instructions:
1) Solve any 3 ques. from SECTION-1
2) Solve any 3 ques. from SECTION-2
3) Figures to right shows full marks

SECTION-1

Q.1.
a) Describe the following: [Marks 8]

a) Multiprigrammed systems
b) Batch systems

b) What is the System call? define the process control for running a program in MS-DOS [Marks 8]

Q.2
a) What is process? discuss process state diagram. [Marks 8]

b) Explain the priority scheduling, in detail, with the help of suitable examples. [Marks 8]

Q.3
a) What is Monitor? Write and discuss a monitor to allocate a single resource.[Marks 8]

b) What is critical region? discuss the implementation of conditional critical region construct. [Marks 8]


Q.4 Write a short notes on (any three): [Marks 18]

a) System calls
b) Context Switching
c) Direct intercrosses communication.





SECTION-2

Q. 6)
a) discuss various deadlock presentation mechanisms in detail[Marks 8]

b) discuss the Bankers algorithm in detail. [Marks 8]



Q.6)
a) Describe the subsequent allocation algorithms: [Marks 8]
a) First fit
b) Best fit
c) Worst fit

b) Explain the principal operation of dynamic memory allocation. [Marks 8]

Q.7)
a) Explain LINUS and WINDOWS operating system. [Marks 8]

b) How does DMA increase system concurrency? discuss. [Marks 8]

Q.8) Write a short notes on (any three): [Marks 18]

a) Thrashing
b) Wait for graph
c) Polling
d) Swapping

Earning:   Approval pending.