Jawaharlal Nehru Technological University Hyderabad 2010-5th Sem M.C.A -Iester Regular s y/ust SYSTEMS PROGRAMMING - Question Paper

Code No: 49
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA-IV Semester Regular exams July/August 2010
SYSTEMS PROGRAMMING
Time: 3hours Max.Marks:60
ans any 5 ques.
All ques. carry equal Marks
- - -
1. a) discuss different classes of devices and modules?
b) Compare and contrast kernel module Vs Applications?
2. a) discuss about allocating and freeing device numbers?
b) With a neat sketch discuss the layout of scull device?
3. a) define briefly about the implementation of system calls?
b) Briefly explain about debugging by watching?
4. a) explain the concept of Paging under Linux?
b) What is cache? With a neat sketch discuss look ahead cache?
5. a) discuss reader/writer semaphores in detail?
b) define about spin lock functions?
6. Briefly explain about the subsequent
a) Delaying execution
b) Work Queues
7. describe an Interrupt handler? discuss about installing and implementing the
interrupt handler in detail?
8. define different portability problems in detail?

Earning:   Approval pending.