Jawaharlal Nehru Technological University Hyderabad 2007 M.C.A Computer Aplications OPERATING SYSTEMS - exam paper

1.a) elaborate the activities involved in connection with process
management and memory management for which OS is
responsible?
b) What is the purpose of interrupts? elaborate the difference ranging from
a trap and an interrupt?
2.a) What is a Process Control Block? What is the info it
contains?
b) Distinguish ranging from preemptive and non-preemptive scheduling.
provide examples for every of them.
3.a) define the swapping policy of an OS.
b) What is paging? define page replacement approach in an OS.
4.a) define free space management activities.
b) define indexed allocation of disk space. elaborate the advantages
and disadvantages of this method over linked allocation?
5.a) What is a critical part problem? Suggest a classic software
based solution.
b) What is a sleeping-barber problem? Suggest a software solution.
6.a) What is deadlock? How deadlock issues be handled?
b) define Banker’s algorithm.
7.a) provide the components of LINUX system. define the role of Kernel
module.
b) define LINUX approach for management of physical memory.
8.a) define Microsoft’s design goals for Windows-XP.
b) define the working of a virtual memory manager of Windows-XP.

Earning:   Approval pending.