Previous year question paper for OS (BSC-IT 3rd)

Operating system

Previous year question paper with solutions for Operating system from 2011 to 2018

Our website provides solved previous year question paper for Operating system from 2011 to 2018. Doing preparation from the previous year question paper helps you to get good marks in exams. From our OS question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

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.

 

2018
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2017
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2016
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2015
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2014
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2013
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2012
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2011
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