You are viewing all question papers of operating system (BCA 4th)

Syllabus

SECTION A

Introduction: Application programs and system programs; functions of an operating system;

classification of operating systems-Multi-user, multiprogramming, multiprocessing, time

sharing, multi-threaded. Subsystems – Top Layer, Middle Layer, Bottom Layer, Bootstrap,

Protection and security.

Processes and Threads: Program vs. Process; Process context, address space, identification,

transition, state & management. Thread management-benefits, synchronization issues;

applications of threads.

SECTION B

CPU Management: Objectives, Pre-emptive vs. Non-pre-emptive, context switching,

scheduling schemes; multi-processor scheduling, thread scheduling.

Inter-process Communications: Introduction, message passing model, shared memory model.

Pipe, FIFO and Socket.

SECTION C

Memory Management: Introduction, address binding, relocation, loading, linking, memory

sharing and protection; Paging and segmentation; Virtual memory: basic concepts of demand

paging, performance, page replacement. Thrashing.

I/O Device Management: I/O devices and controllers, device drivers; disk storage, scheduling

and management.

SECTION D

File Management: Basic concepts, file operations, access methods, directory structures and

management, remote file systems; file protection.

Protection & Security: Need, environments: software, hardware, unauthorized use, denial of

services, access control and authentication. Application security, attacks, virus & anti-virus,

firewall.

Mark Favorite
2018
Download
2017
Download
Download
2016
Download
Download
2015
Download
2014
Download
Download
Download
2013
Download
Download
2012
Download
Download
2011
Download
2010
Download
Download
2009
Download
2008
Download
Download