W1 L1 - Introduction to OS

This is a brief introduction to operating systems and its uses.
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[@snuggyboy3552]

This video series deserves so much more attention than it currently has!

[@haloalkanehaloarene]

- [00:00]🖥 Introduction to Operating Systems Layers
- Computer systems are structured in layers from transistors to hardware to applications.
- The bottom layer consists of transistors combined to form logical gates like AND, OR, XOR.
- Hardware includes memory cells, flip flops, registers, and various units like RAM, instruction fetch unit.
- [02:22] 💻 The Role of Operating Systems
- Operating systems manage applications and resources in a computer system.
- They provide hardware abstraction, making it easier for software applications to utilize hardware.
- Resource management by the OS deals with the limited hardware resources in a computer.
- [03:40]🧠 Program Execution and Display Process
- Explains how a program written in C language displays text on the monitor.
- Details the process of transferring the text from memory to the monitor via the graphics card.
- Highlights the complexity that would arise for programmers without the abstraction provided by the OS.
- [07:36] ⚡ Benefits of OS Abstraction
- Operating systems abstract hardware details, making programming easier.
- Applications can reuse OS functionalities, enhancing efficiency.
- OS enables portability, allowing programs to run on different hardware without modifications.
- [10:19] 💾 OS as a Resource Manager
- Operating systems manage hardware resources for multiple applications running concurrently.
- They supervise resource allocation for components like CPU, memory, network, and storage devices.
- OS ensures efficient sharing of limited resources while protecting applications and their data.
- [16:43] 🔐 Security and Classification of Operating Systems
- Operating systems are essential for all smart devices to function.
- Classification includes embedded OS, mobile OS, real-time OS, secure OS, and those for servers and desktops.
- Each type of OS is designed with specific applications and requirements in mind.ua-cam.com/users/sgaming/emoji/7ff574f2/emoji_u26a1.png

[@sanskritigupta2377]

thank you, sir fantastic explanation!!

[@mukulmalviya1605]

have you completed this playlist

[@mukulsoni5031]

Sir you said video buffer will be used in processing . I have seen string buffer used , and never listened that term . So which one is correct ??

[@LifeAtPeace4Ever]

string buffer is when the data is in RAM, where as video buffer is present in graphics card. string content is transferred to video buffer which in turn is pushed onto display.

[@amanmiglani6043]

pls check the subtitles

[@samyakbharsakle]

xv6 lessgo

[@joshyatharva]

Thank you so much, professor! The playlist is very much helpful when it comes to understanding Operating Systems. From a placements perspective, it has everything that I need :)

[@Amitsharma-tm5yd]

Is this good for gate exam

[@sakshamvishwakarma1212]

Boring explanation

[@sumeet8239]

Set the speed at x1.25 while watching these videos !

[@joy-jc1cl]

Sumeet exactly bro😂😂

[@ronaldcsjohnson4790]

@JAYADEVAN RAGHAVAN Yup, you're right. Everyone has their own pace. Go with it and learn!

[@thyagtubes]

Nice explanation of concepts. Please organize these lessons into a Playlist.

[@the_laptopgamer7167]

nptel.ac.in/courses/106106144/2 refer to this link and you will get all the videos inside a playlist

[@treqqqq2850]

1.5x and thank me later!

[@manishsachan786]

very nice explanation,loved it

[@gopavaramsaimadhuree520]

superb explanation.Thank you so much.Very clearly understood the concept

[@Sky-ik4er]

Kya aap Ethical Hacker hei

[@pmahaur962]

any notes available?

[@batistaanimal4900]

Nice explanation - It's very useful.. Thank you sir

[@gladyouseen8160]

Can any one share those slides

[@dhaneshpt8641]

Thank you sir.

[@meetkakadiya7018]

I got this ppt how to download this.

[@ahmadkhaliel49]

nptel.ac.in/course.html

[@r.pereraperera2563]

Dear sir,
Pls can u send me ur email so pls ,here's my email id ([e-mail])

[@subasankari5354]

very well explanation and nice concepts

[@mohammedmudassir837]

Very well explained..