OPERATING SYSTEMS

Paper Code: 
BCA 402
Credits: 
04
Periods/week: 
04
Max. Marks: 
100.00
Objective: 
This module aims at making students learn about basic concepts of operating
systems.
 
12.00
Unit I: 
What is an Operating System, Simple Batch Systems, Multiprogrammed Batched Systems,Time-Sharing Systems, Personal-Computer Systems, Parallel Systems, Distributed Systems, and Real-Time Systems.
 
8.00
Unit II: 
Operating-System Structures: System Components, Operating System Services, System Calls, System Structure, Virtual Machines.
Process Management: Process Concept, Process Scheduling, Operation on Processes.
 
15.00
Unit III: 
CPU Scheduling: Basic Concepts, Scheduling Criteria, Scheduling Algorithms (FCFS, SJF, Priority, Round-Robin, Multilevel Queue, Multilevel Feedback Queue) Multiple-Processor Scheduling.
Process Synchronization: Background, The Critical-Section Problem, Introduction to
Semaphores.
Deadlocks: System Model, Deadlock Characterization, Methods for Handling Deadlocks,
Deadlock Prevention, Deadlock Avoidance, Deadlock Detection, and Recovery from Deadlock.
 
15.00
Unit IV: 
Memory Management: Background, Logical versus Physical Address space, Swapping,
Contiguous allocation (fragmentation), Paging, Segmentation.
Virtual Memory: Background, Demand Paging, Page Replacement, Page-replacement
Algorithms (FIFO, Optimal, LRU, Counting)
 
10.00
Unit V: 
File Management: File Concepts (Operations & Attributes), Access Methods, Directory Structure, File System Structure, Allocation Methods (Contiguous Allocation, Linked Allocation, Indexed Allocation).
 
ESSENTIAL READINGS: 

1. A. Silbersachatz and P.Galvin, “Operating System Concepts”, Addison-Wesley, 5 th Ed., 2001

REFERENCES: 
1. Tannenbaum, “Operating Systems”, PHI, 4 th Edition, 2000
2. Madnick E., Donovan J., “Operating Systems”, Tata McGraw Hill, 2001
3. Achyut S. Godbole, “Operating Systems”, Tata Mc-Graw Hill Publishing Company Limited 2000.
4. Gary Nutt, “Operating System A Modern Perspective (Second Edition)”, Pearson
Education 2000.
Academic Year: 
2014-15
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