Operating System

Ensured the technical advancements of the courses based upon the industry’s emerging trends from the beginner to advanced in a specific manner

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Operating System

Duration	3 Months
Eligibility	Below 10th
Exam Types	Online/Offline

Syllabus :-

1. Overview of Operating Systems

What is an OS
Brief history.

2. Background and Basics

Computer System review

Architecture
Instruction cycle
Process Control Block

Basic OSs

Batch
Multi-programmed batch
Timesharing

Computer System Structures

Operating System Structures

3.Processes

Definition
Process States
Process structure
PCB and components
Operations on Processes
Threads

4. CPU Scheduling

I/O burst cycle
Context Switching
Scheduling

Long Term
Short Term

Scheduling Criteria
Algorithms
First Come First Serve
Shortest Job First
Priority Scheduling
Round Robin

5. Process Synchronization

Critical Section Problem

Mutual Exclusion
Races

Two Process Solutions

Algorithm 1
Algorithm 2
Algorithm 3
Bakery Algorithm

Synchronization Hardware

Test and Set
Swap

Semaphores
Deadlocks and Starvation
Classic Synchronization Problems

Readers/Writers
Dining Philosophers

6. Deadlocks

System Model
Necessary Conditions for a deadlock

Mutual Exclusion
Hold and Wait
No Preemption
Circular wait

Resource Allocation Graphs
Handling Deadlocks

Prevention
Avoidance
Bankers Algorithm

7. Memory Management

Address Binding

Compile time
Load time
Execution time

Logical versus Physical Address Space
Swapping

Contiguous Allocation
Single Partition
Multiple Partition
First Fit
Best Fit
Worst Fit
Internal and External Fragmentation

Paging and Virtual Memory

Basics
Demand Paging
Page Replacement
Page Replacement Algorithms
FIFO
Belady’s anomaly
Optimal
LRU
MFU

Thrashing

8. Storage

Files

Attributes
Operations
File types
Structure
Access methods

Directory Structure
Protection

9. File System Implementation

Allocation methods
Free Space Management

10. Secondary Storage Structure

Disks

Structure
Scheduling
FCFS
SSTF/SCAN