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There are many choices for operating systems. In this video, you’ll learn about Microsoft Windows, Linux, Apple macOS, Chrome OS, Apple iPadOS, Apple iOS, and Google Android.
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In this video we explain why applications do not run on operating systems for which they are not intended.

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These are the most popular computer operating systems from 1985 to 2024, based on market share. The latest numbers from 2003 on are readily available from Wikipedia and Statcounter. The first half of the video required a bit more research, which entailed finding and converting sales figures into market share. These numbers may be different based on what OSes are included in the stats, this is why different videos have slightly different numbers.

Listen to our full course on operating systems for beginners! In this comprehensive series of lectures, Dr. Mike Murphy will provide a detailed overview of the essential concepts and structures that make up an operating system. From hardware resources such as CPU and memory to disk input & output and disk scheduling, we will delve deep into the development cycles and requirements analysis for the OS's effective functioning. The course will also cover crucial topics like CPU features, kernel architectures, and UML activity diagrams. In addition to interrupts, use cases, and interrupt handling, we'll also cover UML state diagrams, dynamic memory allocation, and kernel memory allocation. Moreover, we will discuss memory resources, paging, memory protection, page tables, test-driven design, UML class diagrams, virtual memory, object-oriented design, and object-oriented implementations. Join us on this exciting journey as we explore one of the most critical components of modern computing - operating systems.

More videos:
• Fundamentals of Quantum Physics. Basics of Quantum Mechanics https://youtu.be/Lm9SZf2XFCc
• Universe and Black Holes https://youtu.be/eG3j3NZdJqI
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Table of contents:
0:00:00 Introduction to Operating System
0:12:30 Hardware Resources (CPU, Memory)
0:24:54 Disk Input & Output
0:37:08 Disk Scheduling
0:49:38 Development Cycles
0:58:21 Filesystems
1:08:14 Requirements Analysis
1:17:40 CPU Features
1:24:55 Kernel Architectures
1:35:15 Introduction to UML (Unified Modeling Language)
1:42:20 UML Activity Diagrams
1:50:22 Interrupts and I/O
1:57:40 Interrupt Controllers
2:05:47 Use Cases
2:15:51 Interrupt Handling
2:24:53 UML State Diagrams
2:35:42 Dynamic Memory Allocation
2:42:10 Kernel Memory Allocation
2:49:50 Memory Resources
2:56:30 Paging
3:03:26 Memory Protection
3:11:24 Test Driven Design
3:22:22 Page Tables
3:31:29 UML Class Diagrams
3:40:11 Virtual Memory
3:49:22 Object-Oriented Design
3:57:47 Object-Oriented Implementations
4:13:07 Page Replacement
4:20:20 Processes

This video is made under Creative Commons CC BY-SA 4.0 license
https://creativecommons.org/licenses/by-sa/4.0/
Author: Dr. Mike Murphy

Lecture improvements:
- noiseless and HQ audio
- removed pauses
- "dark mode" slides for better study before your sleep :)

In this video, we’ll explore the key concepts of Embedded Operating Systems and how they power various real-time and resource-constrained devices like washing machines, smartwatches, and automotive systems.

Whether you're preparing for semester exams or placements, this series will help you build a solid foundation with real-world applications and interview-focused insights.

📌 All notes & resources are available in the description!

Get ready to master these core concepts and take a step closer to success! 🚀

Series link - https://www.youtube.com/watch?v=Q_OU-aKC_Gk&list=PLrL_PSQ6q0606tibu0c9lFIzkFtshv7HI

Announcement video for OS (with syllabus): https://youtu.be/Q_OU-aKC_Gk?si=B2VrIEIqGgWJfvGC

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Learn fundamental and advanced operating system concepts in 25 hours. This course will give you a comprehensive understanding of how operating systems function and manage resources.

✏️ Course created by Kshitij Sharma.

Course resources: https://sites.google.com/view/....aspiredifferent007/h

⭐️ Contents ⭐️
⌨️ (0:00:00) Welcome to the Course
⌨️ (0:03:43) Introduction and Background
⌨️ (1:28:56) Process Management
⌨️ (2:47:34) CPU Scheduling
⌨️ (6:12:23) Process Synchronization
⌨️ (12:32:14) Deadlock
⌨️ (14:20:29) Memory Management
⌨️ (21:20:28) File Management
⌨️ (23:43:16) Miscellaneous Topics


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OS: Introduction to Operating Systems
Topics Discussed:
1. Introduction to Operating System (OS)
2. What is an Operating System (OS)
3. Types of Operating System (OS)
4. Functions of Operating System (OS)
5. Goals of Operating System (OS)

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Operating systems - whether you love Windows, Mac, or Linux, it's important to note that all operating systems have some pretty striking similarities...

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Hello Everyone. In this video we learn about what is an operating system? with simple explainations and examples. we will also see what are different goals and functions of operating system.

If you want to watch other operating system concepts use the links below:

Deadlock - Operating System | Playlist: https://youtube.com/playlist?l....ist=PLRJP-g0nSX0dz24

Process - Operating System | Playlist: https://youtube.com/playlist?l....ist=PLRJP-g0nSX0exCq

Types of Operating System | Playlist: https://youtube.com/playlist?l....ist=PLRJP-g0nSX0f1f3

For complete operating system playlist use below link: https://youtube.com/playlist?l....ist=PLRJP-g0nSX0e0kg

For Database and DBMS concepts use below links:

Database and DBMS: https://youtu.be/fSWAkJz_huQ

Keys in DBMS | Playlist: https://youtube.com/playlist?l....ist=PLRJP-g0nSX0ccJa

Normalization in Database: https://youtu.be/UF0UHCX-z0E

Data Abstraction: https://youtu.be/LOgfAWwair4

Data Independence: https://youtu.be/KQKHzsypxh4

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Essential concepts of operating systems. Part of a larger series teaching programming. Visit http://codeschool.org

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In this animated program, our character Sam shows students the basics of the hard working operating system. The video explains how an operating system interacts with various other software and hardware, and why the kernel is important. Students will also learn about primary and secondary memory, device management, and how the operating system provides an interface for the user.

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Whether you have a laptop, desktop, smartphone, or tablet, your device has an operating system (also known as an "OS"). In this video we'll show you what an operating system is and talk about a few of the most common operating systems.

We'll also talk about compatibility issues. Some software is designed to work with a variety of operating systems, but other software may only run on one or two.

To learn more, check out our written lessons! https://edu.gcfglobal.org/en/c....omputerbasics/unders

0:00 Intro
0:18 Definition
0:32 Computer operating systems
0:47 Mobile operating systems
1:02 Compatibility

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So as you may have noticed from last episode, computers keep getting faster and faster, and by the start of the 1950s they had gotten so fast that it often took longer to manually load programs via punch cards than to actually run them! The solution was the operating system (or OS), which is just a program with special privileges that allows it to run and manage other programs. So today, we’re going to trace the development of operating systems from the Multics and Atlas Supervisor to Unix and MS-DOS, and take at look at how these systems heavily influenced popular OSes like Linux, Windows, MacOS, and Android that we use today.

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if social media apps had their own reality show... there's a constant rivalry between TIKTOK and INSTAGRAM, while SNAPCHAT just wants to stay relevant and FACEBOOK just wants to play bingo.

enjoy season 1! season 2 on tiktok & instagram!
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Following the controversy surrounding podcaster Ranveer Allahbadia, the government has issued a stern warning to OTT platforms and social media, urging them to comply with IT Rules, 2021. The Information and Broadcasting Ministry emphasized self-regulation and stricter age-based content classification to prevent children from accessing inappropriate material. The Supreme Court also questioned the government about its plans to regulate "obscene" content, warning of judicial intervention if necessary. Meanwhile, a parliamentary panel has asked for a review of OTT regulations. With rising concerns over digital content, stricter measures may be on the horizon.

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The concept of Social Media began back in the late 1990s with the rise of six degrees (the first social media platform), Friendster, and later Myspace.

But in the last 15 years, social media platforms have really dominated the internet.

In this video, I want to walk you through the top 10 social media platforms and a quick overview and history of each one.

If you want a more detailed look at each social media platform, I have dedicated how-to-use videos for each of them. I've spent the last 4 years creating over 1000 videos on social media and tech platforms for Howfinity.com. So you should be able to find a lot more detail on each.

Facebook - 2.7 billion monthly active users
Facebook is the oldest social media platform on this list, created back in 2004.

Facebook has added a lot more features to Facebook, including Facebook Stories which are short disappearing posts. Facebook Messenger has become one of the biggest stand-alone messaging platforms. Facebook Marketplace to buy and sell anything.

How to Use Facebook
https://youtu.be/xu8rh9Ref4Y

YouTube-2 billion monthly active users
YouTube started back in 2005 as a video-sharing website.
Google bought YouTube in 2006 for over 1 billion dollars.
Anyone can create a YouTube account, make a channel on YouTube, and upload their own YouTube video.
YouTube began to pay its creators a few years in and currently pays creators 55% of all revenue they receive from running ads on videos.

How to upload to YouTube
https://youtu.be/LzwzcxJ0j0c

Instagram - 1 billion monthly active users
Instagram was created back in 2010 as a camera and filter app and has become one of the biggest social media apps.
The original Instagram was a photo-sharing app and grow quickly with the rise of the first iPhone and high-quality camera phones.

You can even shop inside the Instagram app.
Many businesses use Instagram as an advertising tool to reach their target audience.

How to Use Instagram
https://youtu.be/_wo5C9qh4xE

TikTok - Almost a billion monthly active users.
TikTok is a social media platform for creating or watching short-form videos.
Videos on TikTok need to be under 60 seconds with most videos on the platform under 15 seconds.

TikTok's most popular creator has over 100 million followers.
TikTok is owned by a Chinese company called ByteDance, but there were talks in 2020 to sell TikTok to a U.S.-based company.

How to Use TikTok
https://youtu.be/PyaZxrN_gM8

LinkedIn -760 million monthly active users
Linkedin is one of the oldest social media platforms founded in 2013 and was purchased by Microsoft back in 2016 for 26 billion dollars.

How to Use Linkedin
https://youtu.be/tvd64mw2v8o

Pinterest - 440 million monthly active users
Pinterest was founded in 2010.
It was created for finding sharing photos, videos, links, animations, and ideas online. It can be referred to as a digital scrapbook.
The photo and video posts are called "pins" and pins are posted on "boards"
There are Pinterest boards for just about any category and interest.

How to Use Pinterest
https://youtu.be/QVWDeIfYOK4

Reddit has 400 million monthly active users
Reddit has been around since 2005 and content social media platform.

How to Use Reddit
https://youtu.be/CUMaeH63suU

Snapchat - 350 million monthly active users
Snapchat began in 2011 as a messaging platform where your text, photo, or video message immediately disappeared after being viewed.

It has become a full social media platform where you can follow people, share your own stories (posts on Snapchat), and even share your location with your friends.

Twitter - 330 million monthly active users
Twitter is a social media platform that began in 2006 as a website for posting your thoughts with a 140-character limit called tweets. The limit increased to 280 and you can now share photos and video links on Twitter.

How to Use Twitter
https://youtu.be/BwKwOyb62xs

Discord - 100 million monthly active users
Discord started in 2015 as a group chat platform focused on gaming that quickly grew to a social media platform.
Discord is made up of servers which are groups or communities where you can chat, share your screen, share photos and videos, and even live stream.

How to use Discord
https://youtu.be/rnYGrq95ezA

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The World's Most popular social Network, and who owns them, currently there are over 4.5Billion people around the world who use some form of social Media about 57% of Global Population.
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Parade's best sale of the year is finally here for Black Friday! Parade is giving everyone 30% off sitewide, but my code DOXIE-BF gets you 40% OFF the entire site!! Have fun shopping at yourparade.com/DOXIE-BF

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I really hope you guys enjoy this video, i'm so proud of it. going undercover in the world of alt right extremists but it was worth it!!

--

00:00 Introduction
02:47 Rumble
06:27 Turning into a Rumble Creator
09:57 The Online Hate epidemic
11:21 KICK
14:08 Streaming Gambling
16:31 Free Speech? Hate Speech.
17:36 Truth Social
20:53 Clouthub

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Unique smart home devices make life convenient & accessible, but they can burn your wallet too. If you’re up for affordable unique smart home devices, then this list is absolutely perfect for you, and you can grab some of them for less than $50.

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