Kerala University 2007 M.C.A FOURTH SEMESTER , /CH 2000 not - Question Paper

OPERATING SYSTEMS
Time: 3 Hours Maximum: 75 Marks
ans any 5 ques.
All ques. carry equal marks
1.
a) discuss the evolution of operating systems.
b) Distinguish ranging from Batch processing and Interactive processing.
2.
a) Enumerate and discuss the functions performed by memory management.
b) What is associative memory? discuss.
3.
a) discuss lock and unlock primitives.
b) State and discuss Belady's anomaly
4.
a) elaborate semaphores? Mention and discuss semaphore operations.
b) Compare different scheduling algorithms,
5.
a) What is dead lock? provide examples.
b) discuss dead 100:k avoidance algorithm.
6.
a) discuss interrupt mechanism in scheduling.
b) discuss different process states.
7. discuss the following: -
a) Synchronization.
b) Virtual processor.
c) Resource allocation graph
d)
8. Write short notes on the following: -
a) File system.
b) Multi-programming
c) l/O scheduling.

Earning:   Approval pending.