when you are taught the same in class but Gary explains better 😀

@technobrend0

7 жыл бұрын

If Gary was my teacher I would have passed a few more classes :/

@paulwanjohi1738

7 жыл бұрын

tanish bansal true

@PaladioBlaze

7 жыл бұрын

tanish bansal even I understand this and I know nothing about programming and what not.

@CarlitoProductions

6 жыл бұрын

that's why i'm here too lol

@dben9986

2 жыл бұрын

I ask B, my lecturer interpret it as A and answers C. In this case, the Internet becomes my friend 😂

Don't know how much AA pay you, Gary, but you should get a pay rise

@pratikrai6407

7 жыл бұрын

Tim Derek Scott and Darcy lacouvee are the owners and co founders of AA

@morganmatthias5684

2 жыл бұрын

You all prolly dont give a damn but does anyone know a trick to get back into an Instagram account? I somehow lost my login password. I love any tips you can offer me

@kristophergunnar9551

2 жыл бұрын

@Morgan Matthias instablaster :)

@morganmatthias5684

2 жыл бұрын

@Kristopher Gunnar thanks for your reply. I got to the site through google and I'm in the hacking process atm. Looks like it's gonna take quite some time so I will get back to you later with my results.

@morganmatthias5684

2 жыл бұрын

@Kristopher Gunnar It worked and I now got access to my account again. I'm so happy:D Thank you so much, you really help me out :D

Gary, you are a marvelous teacher. Clear, concise, precise, relaxed, happy... and no irritating "KZread persona". From an engineer, let me tell you this - you *really do* sound like you know your subjects well, so thank you for being you and for articulating so effectively and clearly. You are an asset to the engineering world. God bless you! 😀 Matthew, England.

@srakhtar

3 жыл бұрын

your welcome my man. cheers.

@alienwarex51i3

2 жыл бұрын

@@srakhtar not OP but ok

@ajhalomaster

11 ай бұрын

😂😂😂

Knew most of this from the course in Operating Systems in the University, but it is always nice to hear Gary explain stuff. And I got to repeat the things I knew too. Please never stop making these videos, Gary! :D

I never would have thought I would end up going to Android Authority to help study for my OS' exam... As always Gary your videos are probably the best on AA. Keep it up!

Playlist of Gary explains, the best ever !

It's always a pleasure listening to your explanations Gary. Keep up the good work :D

excellent tutorial. I've been working on computers since 1980 and never have heard this explained so clearly as you did in this video. love the charts and diagrams as well as those really help! and the funny kids pics made me laugh. cheers! 😎

@plumSlayer

Жыл бұрын

wow you actually have seen the evolution of basic computer and microprocessors... wow

Thanks Gary! This was clear and complete and much more interesting than the same topic coverage in class.

Thank you so much! I've read this section in my textbook four times now and just couldn't understand it, but this clears things up so well!

Hi Gary. I was trained as an EE, but went to the dark side of sales, so I am only dimly aware of all the subjects you discuss. Thanks for the context and thanks for putting the puzzle together for me.

This has been the best of Gary Explains vids Nice job sir .....

In other words the physical representation of memory and virtual memory is equivalent to how inventory is shipped to a warehouse and memory is the amount of space the warehouse can store of that shipment. Virtual memory is a shipment being processed to go either in its storage location or to be used in either to be once again shipped out or for some function in the warehouse/facility.

I'm stupid but Gary makes me smart.

@Trident_Euclid

7 жыл бұрын

Suyash Kant You are not stupid if you want to learn.

@1MarkKeller

7 жыл бұрын

Say it again Ibraheem!

@Cygnus0lor

5 жыл бұрын

@@Trident_Euclid that's not true

@qwedschy8285

4 жыл бұрын

I'm stupid and Gary can't save me

Gary, thanks for making a video on this topic. Great Job.

I got a smile after learning from you in much clear details

such a good teacher. Thanks Gary!

Thanks again Gary, for a great video. may the L2 TLB be always in your favour!

actually searched many vedios for this detailed explanation..thanks gary

Finally understood what TLB is. Great video! Keep making quality content!

After a Gary video, i feel smarter.

When ever Gary explains, I understand. He is the only way I am going to get through my systems architecture exam, so thanks!!!

@saulgoodman9368

7 ай бұрын

Glazing

Great. Thank you very much for that. I have found all your Gary Explains videos really good. 👍

Oh my god . Mr. Simps thanks a lot for explains this. When you explained this , it seems so simple. Other people make it sound so tough. I wish I had listen to your lectures earlier. So so good. Thanks you very much from a student trying to explore world of computers.

Greetings world! I'm very new to, Gary's channel & all I can say is, I've been asleep at the wheel for far too long. Sir, this channel is marvelous! From the quality video/audio & editing, to your ability to explain things in a manner with which most anyone can comprehend /completely understand the inner-workings of all this technology that changes every 27 seconds, if you will...😉 I love reading this communities feedback & shared knowledge! Love & Light To You All out there in KZread Land and Beyond the world over. Many thanks, Gary for taking what has to be a great amount of time you invest so that, we the viewers, can be educated correctly, efficiently & with absolute ease! 🍀 💜 🎶 👻

Concise, clear, informative, and entertaining. Well done!

Who are the butttrolls who dislike excellent productions such as this. Wow.

@kun_fu_taco4775

3 жыл бұрын

Virtual A Holes

@sivlyte2892

3 жыл бұрын

😂

Garry sir you are really great. I always sleep in my computer class but i like your realxing voice and amazing explaination video.

It wast just the topic for today in OS class, what a coincidence! But, Gary, your explanation was very good, thank you for all this Explaining videos.

Machines have been using virtual memory since the 70's. Gary in his run down of computers did not mention the IBM Mainframes where we had the MVS and VM operating systems which ran very much as Gary explained. There was the additions of the Link Pack Area (or on DOS/VS) machines the SVA (shared Virtual Area) where common routines used by multiple programs would be loaded into memory and shared between all the address spaces, saving real memory. The small operating systems like DOS/VS though only had one address space, so multiple processes would be loaded in to memory in several contiguous regions called partitions. So partition 1 had memory say from 100K to 200K, partition 2 from 200K to 500K, partition 3 500K to600K etc. It was still virtual because address translation between a virtual address and a real address still had to happen. There was not enough memory, so memory was swapped out to disk when it was not required. Often then machines ran with 200K of memory, and ran order processing, payroles, stock processing and even some development all at the same time. This contiguous space for multiple partitions could lead to the two problems which Gary mentioned early on. One program accessing the memory of another, and relative addressing. Each partition was protected from access from another by a protection key. each partition having a different key. A partition when scheduled was allocated the key for its memory. Should it try and access the memory of another partition, then it would fail. The relative addressing was addressed by the loader program .Often a branch address would be loaded form a table to access a routine. If the program was loaded in the partition starting at 200K, or it was loaded in the partition starting at 500K, then this address had to change. That was the job of the loader program, it would correct these addresses as the program was loaded into memory. Yes address spaces as used by MVS and VM were much easier, but they also still had loader programs as you can't predict where routines are loaded into memory in the address space.

A gr8 video by Master Gary ! keep em comin 👌

Great explanation and visuals. Thank you!

This was an amazing explanation, thank you!

i LOVE this series, it brings out my inner nerd.

Great video that brushes all the fundamentals.

Thanks Gary for such a nice explanation.

What happens when some programs are using dynamic memory allocation? How does the MMU can determine how much space does a program need in run time to avioid overwriting? Appreciate any help 😀

Wow very good explanation, Gary is a veryvery good teacher

Gary - your ability to explain the complex is unsurpassed.

Excellent explanation and great teacher

Best explanation i have heard on virtual memory

I'm six years late to the party, but as always there is still so much to learn. Thank you Gary for sending me back from the future, in your video on the demise of 32 bit mode in June 2023. I'm going to look at the one from 2022 now 🙂

Best format of this channel

hands down the best tutorial on this topic

OMG THIS WAS FANTASTIC!!! Like I understand, and that's amazing!

awesome content Gary!

Thank you Gary. It was a great help.

This was so easy to understand. Thanks!

Dear Gary, when we have lookup table entities to look into particular Vaddress , why wee need extra MMU translation ? 🤔

Thanks, Gary! Great explanation!

I'm a computer science student and Gary has helped me pass in atleast a couple of subjects.

excellent discription about virtual and phycial memory..........

Thank you, Gary

That was a very good overview, thanks! :)

Very interesting and great explanation.

He teaches so nice , better than my teachers

Thank you very much for the video

Seriously this cleared all the doubts

thanks! professor Gary! nice job!!

Did this at Uni last year, It's a good feeling actually understanding what is going on LOL

GREAT EXPLANATION!!! Thanks a lot

Awesome explanation!

I've always wondered how my computers handles this on a constant basis

Brilliantly explained

Good morning and congratulations for your precision, unfortunately I didn't understand one thing, but what does offset contain (where on the page we are) can you explain it to me with a more detailed example, thanks in advance

You're the man, Gary.

Cool. I remember when some dumb ass was trying to argue with me, saying android didn't have VM. At first he tried to claim he thought I meant VM was video memory, then tried to say it doesn't have virtual memory either when I explained that was what VM meant. Now I have something to link to explain it to them, if it happens again.

Gary I have questions regarding androids battery saving function Well I have noticed that during battery saver is on battery save more than normal , what does the software actually does which it doesn't do in normal mode. As I don't any differents (I get notification, data is on) everything is same {as I heard that it reduces cpu performance, but using my Rn3 I don't feel like the performance is reduced. So what exactly it is?

Awesome job Gary 👍

Really informative video, thanks a lot! :)

Thanks a lot Gary!

This is really a great viedo taht answers my doubts!thanks sir~

I think the main use of virtual memory is when there is a need of loading an app that is larger than ur ram then the Virtual Memory concept will be used to load that app by dividing it into some Modules and Only some of the modules of that app will only be loaded into ram.

Great video as always ! Please can you explain the effect of screen resolution on performance ? how much does a higher screen resolution effect performance?

you're the man! thank you for a great video

Can anyone explain me when a process is created the virtual memory of the process is created in the secondary storage or in the ram?

Excellent explanation!

under 200 wiew! this is something i know and i work on it everyday, but you still make me learned something new!

Is paging necessary for virtual memory OR we can use segmentation for virtual memory?

Explained beautifully.

Thank you! It is great explanation!

When a page is swapped and allocated to another process, how does the MMU know it’s now belongs to process 2 when process 1 tries to access it?

Thank you Gary!

please suggest book to read above stuffs

Great explanation!

Gary the man !! cheers :)

Are all the addresses for different VM of processes the same( as in pro1 has VM address form 0x0000 to0x FFFF and pro2 has VM address from 0x0000 to 0xFFFF). If they are the same, then how does the OS distinguish between memory access for VM 0xFFEE by pro1 and pro2, and redirect the request to corresponding Phy memory? Hmm ..... this sounds like a question for StackExchange.

Great video. Im confused about one thing, if the lookup table is stored in RAM, then it would take two RAM accesses for a single look up, for a program. However, you said it could be 3. How is this possible.

man Gary is on a roll to educate the masses lol

awesome video.Thank you very much

How does virtual memory extend the memory available to applications?

That is awesome Gary :)

Could someone explain me what is standby memory when I look at the Resource Monitor? It says it's cache memory but I don't get it since in my case it's showing I have 11 GB of cache memory and my processor only has 6 MB of memory.

Can I know how different processes will be able to share single TLB?

Tbh it's much harder than I thought it to be!! And I didn't get a single word 😭

digging these videos

sweet .. very useful thanks Garu

I've 16gb ram, i just want to know much virtual ram i should set to have maximum performance. If i turn it off some games crashes, even with a lot of RAM not used.

excellent video!

Is that background music from Acoustica Mixcraft? I made a song about 10 years ago with that same background track!