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SYLLABUS
DIPLOMA IN COMPUTER APPLICATION (DCA)
BILASPUR VISHWAVIDYALAYA, BILASPUR (CHHATTISGARH)
PAPER-VI
INTRODUCTION TO OPERATING SYSTEM
Unit – I
Introduction to Operating System
What is an Operating System, Operating Systems Architecture, Types of Operating Systems, Process Model, Process States and Transitions, System Calls.
Unit – II
Process Management
Processes: Process Scheduling, Cooperating Processes, Inter-process Communication, CPU Scheduling: Scheduling Criteria, Scheduling Algorithms, Process Synchronization: Background, Deadlocks.
Unit –III
Memory Management
Main Memory Management: Background, Logical versus Physical Address space, swapping, Contiguous allocation, Paging, Segmentation, Segmentation with Paging, Virtual Memory: Demand Paging.
Unit –IV
Device and Storage Management
File-System Interface, Mass-Storage Structure, Device Management: Techniques for Device Management, Dedicated Devices, Shared Devices, Buffering, Multiple Paths, Secondary-Storage Structure: Disk Structure, Disk Scheduling, Disk Management.
Unit –V
File-System Implementation
A Simple File System, Logical & Physical File System, File-System Interface: Access Methods, Directory Structure, Protection, Free-Space Management, Directory Implementation.
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