Where to find a free course about Computer operating systems ?

Free online courseComputer operating systems

Duration of the online course: 6 hours and 0 minutes

4.71

(105)

Learn about operating systems in this free online course covering OS concepts, design, process management, CPU scheduling, synchronization, memory management, and more.

Course Description

Embark on a comprehensive journey through the intricate world of computer operating systems in the course "Computer Operating Systems." With a total duration of 6 hours and 23 minutes, this course meticulously unravels the core concepts and mechanisms that underscore modern operating systems. Highly rated with an average of 5 out of 5 stars, this course stands out in the Information Technology category, specifically within the Operational Systems subcategory.

We begin with an introduction to the fundamental concept of operating systems, guiding the learner through its essential components and architecture. The foundational understanding is further solidified as we delve into the design principles and structural nuances that characterize operating systems.

As we progress, the course introduces the concept of a process and the various operations that can be performed on them. This sets the stage for an in-depth exploration of process scheduling, including different CPU scheduling techniques like First-Come, First-Served (FCFS), Shortest Job First (SJF), and various algorithms for both non-preemptive and preemptive scheduling.

Practical exercises and examples are interwoven throughout the learning experience, providing hands-on practice with these scheduling algorithms and ensuring that theoretical knowledge is reinforced with practical application. Techniques like round-robin (RR) and shortest remaining time (SRT) are scrutinized, alongside multi-level queue (MLQ) and multi-level feedback queue (MLFQ) scheduling.

Interprocess communication (IPC) is another critical area of focus. Here, the course unpacks the mechanisms that allow processes to interact and coordinate with each other. The concept of threads is also introduced, providing valuable contexts for efficient task execution within operating systems.

Process synchronization is an area that demands particular attention, and this course covers it extensively. From introductory concepts to detailed discussions on semaphore-based synchronization and classic problems, learners gain a robust understanding of how synchronization is achieved in operating systems.

Deadlocks, a fundamental problem within operating systems, are thoroughly examined. Learners are guided through the causes of deadlocks and strategies for their avoidance, equipping them with the tools necessary to prevent and resolve these critical issues.

Main memory management is another pivotal topic addressed in this course. Beginning with an introduction to memory concepts, the instruction branches into practical exercises that clarify memory allocation techniques. The course explores paging mechanisms and addresses translation intricacies, including page faults and replacement strategies.

The intricacies of frame allocation, thrashing, and various page replacement algorithms (such as FIFO, OPT, LRU, and second chance) are dissected, providing a comprehensive understanding of how memory management optimizes system performance.

The final modules provide an overview of mass storage, integrating discussions on disk scheduling algorithms that are essential for efficient data retrieval and storage management.

"Computer Operating Systems" offers not only theoretical insights but also practical exercises that solidify learning. This engaging course promises a deep and comprehensive understanding of the operational systems that drive modern computing. It is an invaluable resource for anyone keen on mastering the complexities of computer operating systems.

Course content

Video class: MODULE 1 - VIDEO 1 - Introduction to operating systems concept

0h08m
Exercise: What is an operating system?
Video class: MODULE 1 - VIDEO 2 - Operating system components

0h09m
Exercise: What is a Single Processor System?
Video class: MODULE 2 - VIDEO 1 - operating system design

0h07m
Exercise: Which service is not typically provided by an operating system?
Video class: MODULE 2 - VIDEO 2 - operating system structure

0h08m
Exercise: Which operating system structure offers the most flexibility?
Video class: MODULE 3 - VIDEO 1 - process concept

0h08m
Exercise: What is a Process Control Block (PCB)?
Video class: MODULE 3 - VIDEO 2 - operations on processes

0h09m
Exercise: What role does the medium-term scheduler play in an operating system?
Video class: MODULE 4 - VIDEO 1 - processes and scheduling

0h08m
Exercise: Which type of process spend more time in the CPU?
Video class: MODULE 4 - VIDEO 2 - CPU scheduling FCFS and SJF

0h09m
Exercise: What is the average turnaround time for the first-come-first-serve scheduling algorithm given the processes P1, P2, and P3?
Video class: 9. MODULE 4 - non preemptive FCFS, SJF, priority algorithm practice

0h13m
Exercise: What is the difference between non-preemptive and preemptive CPU scheduling algorithms?
Video class: MODULE 4 - VIDEO 3 - preemptive CPU scheduling

0h09m
Exercise: What is the response time of P3 in a preemptive priority scheduling?
Video class: MODULE 4 - RR, SRT, preepmtive algorithm priority practice

0h18m
Exercise: What is the total turnaround time for P1 using pre-emptive CPU scheduling algorithms?
Video class: MODULE 5 - VIDEO 1- round robin and SRT

0h08m
Exercise: What is the response time for process P3 in shortest remaining time scheduling?
Video class: MODULE 5 - VIDEO 2 - MLQ and MLFQ CPU scheduling

0h08m
Exercise: What is the main characteristic of multi-level feedback queues (MLFQ)?
Video class: MODULE 5 - MLQ CPU scheduling practice

0h14m
Exercise: What is the response time for process P3 in the given multi-level queue scheduling example?
Video class: CPU scheduling Practice - FCFS, SJF, MLFQ

0h23m
Exercise: What is the total CPU time for the execution of processes using First Come First Serve scheduling?
Video class: MODULE 7 - VIDEO 1 - Interprocess communication (IPC)

0h09m
Exercise: What is the key difference between direct and indirect communication in inter-process communication?
Video class: MODULE 7 - VIDEO 2 - thread concept

0h08m
Exercise: What is a thread in the context of operating systems?
Video class: MODULE 8 VIDEO - Introduction to process synchronization

0h08m
Exercise: What critical problem does the Peterson solution address in operating systems?
Video class: MODULE 9 VIDEO 1 - synchronization with semaphores

0h08m
Exercise: What is the primary purpose of the 'signal' operation in a semaphore?
Video class: MODULE 9 VIDEO 2 - counting semaphore example

0h03m
Exercise: What is the initial value of the Sr semaphore in the given example?

This free course includes:

6 hours and 0 minutes of online video course

Exercises to train your knowledge

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Course comments: Computer operating systems

nice

thanks for putting mie through with this studies.

This Course I verry like is Because Help full. Thanks Coach Tami Sorgente

AWESOME KNOWLEDGE AND INFORMATION

Thank You very much for making a clear concise understandable introduction into Operation System

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