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Learn operating System Tutorial for Free

What Do you want Learn:

  • Become very familiar with the core concepts of Operating Systems
  • You will be able to challenge the interviewer on questions related to Operating Systems
  • View Computer Science in a different dimension
  • You will be able to answer all questions of exams like GATE,PGEE,ISRO (after completing all parts of OS course
  • You will be able to get a top grade in your Operating systems course in your Bachelor’s degree
  • How Operating Systems work
  • Understand how a process is create
  • How CPU scheduling is done in Operating Systems
  • Understand the various scheduling algorithms we have in Operating Systems
  • Understand how CPU , Memory and Disk work together
  • Understand Memory managment in Operating Systems
  • Understand how a process is moved from hard disk to RAM
  • understand memory allocation strategies used by operating systems

Course content:

1.Introduction About Operating System:

  • Introduction
  • Important Tip

2.Introduction to Operating Systems

  • Introduction to Computer Systems
  • How hardware devices work together
  • Need for Operating Systems from scratch
  • How Input and Output devices work together

3. Operating System Concepts

  • Program vs Process, States of a process
  • Degree of Multi programming
  • Types of Operating Systems
  • An Important point to note
  • Process Control block, Attributes of a process

4.CPU Scheduling Algorithms – SJF, SRTF, FCF

  • Types of scheduler, Context switching
  • Various times of a process
  • Types of Scheduling Algorithms
  • SJF Scheduling Algorithm
  • SJF Example
  • Shortest Remaining Time First Scheduling Algorithm
  • Response time explained with example
  • SRTF assignment problem
  • SRTF assignment problem solution
  • Response Time example 2
  • SRTF assignment problem 2
  • SRTF assignment problem 2 solution
  • First Come First Served Scheduling Algorithm
  • FCFS with Context Switching overhead

5.Comparision of FCFS, SJF and SRTF – Advantages and Disadvantages

  • Starvation
  • Convoy Effect
  • Practical Implementation
  • Throughput

6.CPU Scheduling Algorithms – LJF, LRTF, Priority-based, HRRN

  • Longest Job First Scheduling Algorithm
  • LJF Example
  • Longest Remaining Time First Scheduling Algorithm
  • LRTF Example
  • LRTF Example continuation
  • Round Robin Scheduling Algorithm
  • RR Example
  • RR Important Observations
  • Advantages and Limitations of RR Algorithm
  • Non Preemptive Priority based Scheduling Algorithm
  • Preemptive Priority based Scheduling Algorithm
  • Preemptive Priority based Scheduling Algorithm Continuation
  • SRTF with processes requiring CPU and IO time 2
  • Priority based scheduling with processes requiring CPU and IO time
  • Highest Response Ratio Next Scheduling Algorithm
  • HRRN Example
  • Process State Diagram
  • Suspend Ready State and Suspend IO state
  • Dispatcher

7.Basics of Number System

  • Basics of Binary Numbers
  • Basics of Binary Numbers

8.Memory Allocation Techniques

  • Basics of Memory Allocation
  • Contiguous Allocation vs Non Contiguous Allocation
  • Fixed Partitioning
  • Variable Partitioning
  • Memory Allocation Algorithms
  • Problem
  • Problem continued
  • Important point to note
  • Problem
  • Binary addressing revisited
  • Example to explain binary addressing concepts
  • Need for paging

9.How to proceed further

  • What to do next
  • Requirements
  • Have a PC with internet connection
  • Even ZERO knowledge in Operating Systems is fine – I’ll teach you everything you need to know

Whether you want to:

  • build the skills you need to get started with computer science
  • move to a top notch software company like google by cracking their interview questions on operating systems.
  • get a top grade in semester exam
  • or just learn computer science to be able to understand on how to build better apps.
  • …this complete operating system series is the course you need to do all of this, and more.

Description:

You’ve just stumbled upon the most complete, in-depth Operating System course series online. With over 2700 students enrolled and hundreds of 5 star reviews to date, these comprehensive operating system tutorials cover everything you’ll ever need.

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