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BCA Semester III - Operating System Concepts

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BCA Semester III - Operating System Concepts

Operating System Concepts

updated on icon Updated on Jun, 2025

language icon Language - English

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category icon IT and Software ,Operating Systems and Servers,Linux

Lectures -85

Quizzes -1

Duration -10 hours

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Course Description

Unit I

  • Introduction: Definition of Operating System, Computer-System Organization, ComputerSystem Architecture, Operating-System Structure, Operating System Structures: Operating- System
  • Services, System Calls, Types of System Calls. Process: Process Concept, Process Scheduling,
  • Operations on Processes, Inter process Communication, Threads: Overview, Multi core
  • Programming, Multithreading Models, Threading Issues. CPU Scheduling: Basic Concepts,
  • Scheduling Criteria, Scheduling Algorithms

Unit II

  • Process Synchronization: Background, The Critical-Section Problem, Peterson’sSolution,
  • Synchronization Hardware, Mutex Locks, Semaphores, Classic Problems of Synchronization, Monitors.
  • Deadlocks: System Model, Deadlock Characterization, Methods for Handling Deadlocks,
  • Deadlock Prevention, Deadlock Avoidance, Deadlock Detection, Recovery from Deadlock.

Unit III

  • Main Memory: Background, Swapping, Contiguous Memory Allocation, Segmentation, Paging,
  • Structure of the Page Table.
  • Virtual Memory: Background, Demand Paging, Page Replacement, Allocation of Frames,
  • Thrashing, Memory-Mapped Files, Mass-Storage Structure, Overview of Mass- Storage
  • Structure, Disk Structure, Disk Attachment, Disk Scheduling, Disk Formatting, RAID Structure

Unit IV

  • File-System Interface: File Concept, Access Methods, Directory and Disk Structure, Protection.
  • File-System Implementation: File-System Structure, File-System Implementation,
  • Directory Implementation, Allocation Methods, Free-Space Management, Efficiency and Performance.
  • I/O Systems: Overview, Application I/O Interface, Kernel I/O Subsystem, Transforming
  • I/O Requests to Hardware Operations.

Unit V

  • Protection: Goals of Protection, Principles of Protection, Domain of Protection Access Matrix,
  • Implementation of the Access Matrix, Access Control, Revocation of Access Rights, CapabilityBased Systems.
  • Security: The Security Problem, Program Threats, System and Network Threats,
  • Cryptography as a Security Tool, User Authentication.

Prerequisites

No Prior knowledge Required.

BCA Semester III - Operating System Concepts

Curriculum

Check out the detailed breakdown of what’s inside the course

Unit 1 - Introduction

45 Lectures
  • play icon What is an operating system? 03:46 03:46
  • play icon OS traditional view, an illusionist, a government. 05:02 05:02
  • play icon OS salient features. 05:44 05:44
  • play icon Computer system structure 01:50 01:50
  • play icon Modern OS functionalities 06:05 06:05
  • play icon OS principles 05:05 05:05
  • play icon Layered computing systems 03:39 03:39
  • play icon Layered design exceptions 05:29 05:29
  • play icon Performance optimization in computing systems 03:42 03:42
  • play icon OS user interface 03:16 03:16
  • play icon OS interfaces 03:30 03:30
  • play icon Protection 04:54 04:54
  • play icon Kernel mode and user mode 03:48 03:48
  • play icon System calls 05:29 05:29
  • play icon Example system calls 02:31 02:31
  • play icon Types of system calls 02:53 02:53
  • play icon Traps 06:24 06:24
  • play icon Application programming interface (API) 03:43 03:43
  • play icon How APIs invoke system calls? 03:09 03:09
  • play icon System call implementation 03:36 03:36
  • play icon Parameter passing to system calls 04:30 04:30
  • play icon When do processes relinquish CPU? 02:43 02:43
  • play icon Process scheduling queuing diagram 03:37 03:37
  • play icon Context switching 05:43 05:43
  • play icon CPU scheduling basics 03:29 03:29
  • play icon CPU-bound and IO-bound processes 03:46 03:46
  • play icon Scheduling performance metrics 03:13 03:13
  • play icon When would CPU scheduler run? 04:06 04:06
  • play icon Turnaround time and waiting time 02:27 02:27
  • play icon CPU scheduling algorithms types and goals 04:07 04:07
  • play icon FCFS Scheduling 04:24 04:24
  • play icon FCFS scheduling example 03:02 03:02
  • play icon FCFS advantages and disadvantages 03:37 03:37
  • play icon Shortest job first (SJF) scheduling 06:49 06:49
  • play icon SJF advantages and disadvantages 03:11 03:11
  • play icon Non-preemptive priority scheduling 04:38 04:38
  • play icon Starvation 02:45 02:45
  • play icon Shortest remaining time first (SRTF) scheduling 06:45 06:45
  • play icon SRTF advantages and disadvantages 01:38 01:38
  • play icon Activity---scheduling algorithms 06:51 06:51
  • play icon Preemptive priority scheduling 07:14 07:14
  • play icon Preemptive priority scheduling advantages and disadvantages 00:47 00:47
  • play icon Round robin (RR) scheduling 03:15 03:15
  • play icon RR scheduling example 05:31 05:31
  • play icon RR scheduling advantages and disadvantages 03:41 03:41

Unit 2 - Process Synchronization:

19 Lectures
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Unit 3 - Main Memory

7 Lectures
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Unit 4 - File-System Implementation:

9 Lectures
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Unit 5 - Protection and Security

4 Lectures
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Unit-6 Assessments

1 Lectures
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Instructor Details

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