DMA controller basic operation

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  • čas přidán 15. 04. 2018
  • 8257 dma controller

Komentáře • 335

  • @74N
    @74N Před 2 lety +27

    I've my Semester exam tomorrow 😀 and I'm lucky that I found this Channel so quickly

  • @amarchhabra2175
    @amarchhabra2175 Před 5 lety +167

    This is an excellent video on the architecture/workings of the Direct Memory Access (DMA) process. I am taking a course in the United States and you explained it better than the website the teacher told us to go to. Big thanks to you madam! A+++++ job!

  • @anchorsanyuktasharma2086
    @anchorsanyuktasharma2086 Před 5 lety +30

    I used to consider myself very weak in mpmc these videos have evoked an interest for this subject.
    Thankyou Ma'am

  • @nithinrajchittath7820
    @nithinrajchittath7820 Před rokem +7

    At last I came across a video of this channel that doesn't just include reading notes from tutorials point but actually has an explanation of the topic.

  • @arshitbagdi
    @arshitbagdi Před 6 lety +73

    Thanks mam.
    U r the best. We need more teachers like u to pass exam in one night.😁
    Thank you so much.🙏

  • @serenakuran7467
    @serenakuran7467 Před 5 měsíci +1

    I freaking love your channel mam! Huge respect! I got comp exam in few hours and your videos are helping me a lot! Love your teaching!

  • @reach9318
    @reach9318 Před 6 lety +11

    I like how you draws diagram to explain the students. Really help to clear my misunderstanding.

  • @shreyparekh7278
    @shreyparekh7278 Před 5 lety +238

    watch in 1.5x speed.

  • @peskooo
    @peskooo Před 5 lety +1

    Your explanation as clearly as pure water. Thanks !

  • @saravananm2280
    @saravananm2280 Před 4 lety +4

    You have explained it in a very effective manner !! Thanks mam I wish you were my CA teacher

  • @sachinupreti7159
    @sachinupreti7159 Před 2 lety +1

    I have never seen so beautiful and clear, simple and best explanation ever in my Iife.
    Thank you in tons ❤️, for such a wonderful explanation.

  • @jatinhooda9421
    @jatinhooda9421 Před 6 lety +4

    Your explanation is amazing ma'am
    Thank you so much :)

  • @noahscares
    @noahscares Před 3 lety +4

    Two days back, my teacher ask me this question but I don't know the ans. Then I came here today
    Now i got my answer 👍 thanking teacher🔥

    • @nobi8417
      @nobi8417 Před 3 lety +2

      Avengers assemble 🔥

  • @ashishgahahatraj8603
    @ashishgahahatraj8603 Před 5 lety +4

    Good job you are doing excellent teaching keep it up and provide us such type of sweet & understading videos

  • @khushalverma984
    @khushalverma984 Před 3 lety +14

    Mam you explained each and every term in a well mannered way ,keep posting such more videos😊😊💥

  • @bensonkazuri5310
    @bensonkazuri5310 Před 2 lety +1

    This is wonderful i really enjoy these lessons

  • @RaHuL-sb6uo
    @RaHuL-sb6uo Před 6 lety +1

    Your voice is soothing my ears 😊

  • @chetnakhairnar7597
    @chetnakhairnar7597 Před 4 lety +4

    Thank you mam for this wonderful lecture on DMA controller.....
    My all concepts and doubt about the DMA controller are clear...
    Thanks mam once again.😊👍👏👏

  • @user-co4bw2yv6e
    @user-co4bw2yv6e Před 4 měsíci

    Thank You Saved My 5 Marks ❤❤

  • @hintpoint7682
    @hintpoint7682 Před 3 lety +3

    The way of continuity in your speech is just amazing mam. Great sense of speech. u create interest every second even in this booring subject ❤👌

  • @chisomstanley51
    @chisomstanley51 Před 5 lety

    WOW!! I love this. Thank you!!! Thank you!!! Thank you!!!

  • @praveenm6816
    @praveenm6816 Před 3 lety

    Wow ... simple way of explanation but very effective in understanding the concept.

  • @jujarusreenivasaraoracdjdp4986

    Thank you so much ma'am,,your videos means a lot to me

  • @shriyanshagarwal6910
    @shriyanshagarwal6910 Před 5 lety

    Thanks A lot... becoz of u i can clear my back paper!!

  • @prasantpant9483
    @prasantpant9483 Před 6 lety

    GREAT THANKS MA'AM..EASY WAY TO MAKE STUDENTS LEARN FASTER

  • @Seeman_NTK_1
    @Seeman_NTK_1 Před 5 lety +1

    thanku its awesome explanation i have under stand clearly
    once again thank you

  • @ONEDMALAYALAM
    @ONEDMALAYALAM Před 5 lety +23

    I believe I will pass the exam....
    Awesome lecture & lecturer.❤🔥🔥

  • @RoohaAli
    @RoohaAli Před 4 lety +1

    Excellent mam! Thanks for making it easier for beginners

  • @adarshpandey6585
    @adarshpandey6585 Před 5 lety

    you teach very awesome...your way of explaining is too good..

  • @lekpjedits18
    @lekpjedits18 Před 5 lety +2

    Thank u so much for this wonderful explanation 😍💝

  • @jonahmaesayam266
    @jonahmaesayam266 Před 4 lety +1

    Thank you so much ma'am! Now I can easily explain it by myself.

    • @i_m_shubh
      @i_m_shubh Před 3 lety

      czcams.com/video/VIN91I-7LsM/video.html

  • @pritosh02
    @pritosh02 Před 5 lety +2

    Thanks u mam so much help by u..Clearly explained great video keep making videos like this love u mam😊

  • @sambhugorai5963
    @sambhugorai5963 Před 4 lety

    Thank You So Much Ma'am.....I got a lot of help from this video...

  • @saiganeshp1264
    @saiganeshp1264 Před 5 lety

    Madam excellent ,i will follow all your videos of computer architecture

  • @nandinitumma3889
    @nandinitumma3889 Před 3 lety

    Mam,, ur explanation is sooo understandable..I think u r the best of all😊

  • @premalatha9121
    @premalatha9121 Před 5 lety +1

    Sema sema wow super thanks thanks mam pls continue this job

  • @durgeshravi
    @durgeshravi Před 4 lety

    very well explained ma'am....i searched for this video because the page containing this topic was missing in my book... thanks

  • @aldrinaldrinald
    @aldrinaldrinald Před 4 lety +1

    Your way of explanation. Is. Ozmmmm..
    Keep on doing video like this mam..
    It will be very useful for prime like me and others...
    🙏🙏🙏🙏🙏

  • @SanGamingWorld
    @SanGamingWorld Před rokem +1

    Thnx a lot mam for explaining us this concept in a easy way👍

  • @Radhashreeradha
    @Radhashreeradha Před 4 lety

    Mem your way of teaching is too good and for give way of examples is too good thank you🏅🙏🙏

  • @rileshkhatri1209
    @rileshkhatri1209 Před 2 lety

    Thanks it helped 😊 keep making such videos

  • @abbasvj981
    @abbasvj981 Před 5 lety +1

    You were teaching really suprb

  • @vijayamangal7668
    @vijayamangal7668 Před 5 lety +1

    Excellent video ma'am.. you really explained it very well

  • @aishu812
    @aishu812 Před 5 lety +1

    u r just awesome mam...keep going mam...

  • @apoorvasharmachinta7129

    Awesomely explained mam..😇such a cool lecturer

  • @sourav9770
    @sourav9770 Před 6 lety +8

    What does the CPU do during the hold state...does it stop all its execution n wait until the system bus is free???

    • @gzsingh1435
      @gzsingh1435 Před 5 lety +5

      it stops the execution part of the the i/o device and keeps the other tasks and routine running

  • @apsuntech6501
    @apsuntech6501 Před 2 lety

    This is an excellent video explanation, I ever seen

  • @pushpalatha2505
    @pushpalatha2505 Před 5 lety +2

    Thanks mam super it is very easy to understand...

  • @reenathomas7936
    @reenathomas7936 Před 5 lety +1

    super... ur way of teaching is very nice ...

  • @kavibharathy9602
    @kavibharathy9602 Před 5 lety +1

    Excellent xplanation... really easy to understand....ozm... good wrk...

  • @GeorgeTsiros
    @GeorgeTsiros Před 5 lety

    so both the peripheral device and the CPU have to support DMA, right?

  • @kishorjha1163
    @kishorjha1163 Před 5 lety

    What a clear concept .thank you so much mam.

  • @RakeshKumar-kv1os
    @RakeshKumar-kv1os Před 6 lety

    you're simple and awesome.

  • @varalakshmisoundarya3501

    Supper ,now I have clarity bcz of u

  • @nirmalprasanth355
    @nirmalprasanth355 Před 4 lety

    Thank you very much mam
    It was a clear explaination.

  • @pandumuttu9305
    @pandumuttu9305 Před rokem

    Thank you 13 mins i learn this
    I really time very save.....☺️

  • @welittletalks
    @welittletalks Před 11 měsíci

    Best videos watching before exams

  • @rajarajeswari9142
    @rajarajeswari9142 Před 5 lety +1

    Excellent explanation...thank you mam..

  • @cartooncomics8450
    @cartooncomics8450 Před 2 lety

    Wow...fantastic and fabulous madam

  • @spandubhargavi2000
    @spandubhargavi2000 Před 5 lety

    nice teaching,i'm satisisfied with this vedio.thank uuu

  • @brittytino
    @brittytino Před rokem

    Thank You Mam This really helps me lot...to know about the DMA

  • @sawai1277
    @sawai1277 Před 5 lety +2

    Your videos are nothing but excellent contains

  • @user-ts2ij6wr9c
    @user-ts2ij6wr9c Před 8 měsíci

    The vedio about DMAC is clear. Good teach.

  • @ajjunikhila
    @ajjunikhila Před 5 lety

    Nice superb tq mam 😊😊😊😊very good explanation

  • @usagi4342
    @usagi4342 Před rokem

    how is this faster its like creating another cpu and wating for bus grant request which makes it slowerr?

  • @sudhasasikumar6719
    @sudhasasikumar6719 Před 5 lety +1

    Neat clear explanation mam..,👏👏👏👏

  • @Nikhilsharma-tc5wr
    @Nikhilsharma-tc5wr Před 5 lety +2

    Best method explain Dma
    Thanks mam

  • @fasakvibes9731
    @fasakvibes9731 Před rokem

    mam u are level teacher mam 💥.. teaching levels are in peaks

  • @oyeaurashu
    @oyeaurashu Před 2 lety

    Love you mam everything was simple and effective ❤️

  • @arpa98chy6
    @arpa98chy6 Před 4 lety

    This is so much helpful for me

  • @deepikapatro1147
    @deepikapatro1147 Před 4 lety +1

    Excellent video👍👍👍👍👍👍

  • @nanu7saffron
    @nanu7saffron Před 5 lety +2

    Well explained ma'am thank you

  • @anonymous2s4
    @anonymous2s4 Před 5 lety

    Good way of teaching understand it very much

  • @aryasuwashnarayan8413
    @aryasuwashnarayan8413 Před 2 lety

    Heartily thanks ma'am....

  • @venkatv3496
    @venkatv3496 Před 4 lety

    Tq so much .for giving such a nice explanation

  • @chochooshoe
    @chochooshoe Před 5 lety +9

    it's missing the most important part to say why having the DMA controller is more efficient. now you have to ask the DMA controller (instead of the CPU) which then has to ask the CPU anyway. so why is that faster? could you please explain?

    • @yunsha9986
      @yunsha9986 Před 5 lety +4

      Without DMA controller, I'm pretty sure CPU who was doing all the work of copying data from I/O and transfer, having to stop doing other processes it could otherwise do instead of wasting cpu time. With DMA controller, the CPU is just required for interrupts and is not held for a long time, so it can do more work elsewhere in the system. General reason: In the case you have a slow I/O data transfer, It saves the CPU from doing "useless work".

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  • @bhargavimehandi1871
    @bhargavimehandi1871 Před 3 lety

    Thank u so much mam, extraordinary explanation 👌🏻👌🏻👌🏻👌🏻👌🏻👌🏻👌🏻👌🏻👌🏻

  • @venkatbabu1722
    @venkatbabu1722 Před 3 lety +2

    What is DMA. India people during festival season draw core diagrams on the floor. Like Balakrishnan and Krishna Avatars. Thandi kudi started urine industry. Gets really airlines for hire.

  • @pg9280
    @pg9280 Před 5 lety

    Well explained. Thank you

  • @InspireVerse50
    @InspireVerse50 Před 2 lety

    It's very helpful thanks ma'am 😁✌🏻

  • @its.me.chandra
    @its.me.chandra Před 4 lety

    Great effort, thanks alot madam🤝

  • @yuvasaichowdary2274
    @yuvasaichowdary2274 Před 6 lety

    U r really cool
    Thank you very much

  • @sanchayshrivas7749
    @sanchayshrivas7749 Před 4 lety

    Brilliant Explanation Ma'am

  • @muhireblaise7937
    @muhireblaise7937 Před 3 lety +1

    Thank you so much for this courses Maman

  • @puramtejaswi2684
    @puramtejaswi2684 Před rokem

    Thank you ☺️ mam ur exam saver 😌

  • @amitsahu176
    @amitsahu176 Před 6 lety +2

    love u medam to make me pass in msc cs 2nd sem ummmuah lol from mp bhopal thanku dna was very tough for me to undrstand bt u make it very easy at first time thanku

  • @sobhavalli2293
    @sobhavalli2293 Před 5 lety

    Very useful thanks a lot👍

  • @bhadramohit8317
    @bhadramohit8317 Před 2 lety

    In just 2 min I understood the whole concept of DMA...

  • @suryashiningstar5386
    @suryashiningstar5386 Před 6 lety +4

    Thank you Madam Speaker 🤗. Simplified version and easy to learn.

  • @shivaramakrishnan8627
    @shivaramakrishnan8627 Před 5 lety +1

    today is my exam but understood very well thanks for giving this video mam

  • @eshagana1948
    @eshagana1948 Před 5 lety

    Is the operation for DMA same for 8237?

  • @amulyanallavalli3307
    @amulyanallavalli3307 Před 2 lety

    Superb👌explanation mam

  • @RICK-tj1lz
    @RICK-tj1lz Před 5 lety

    wonderful easy and understood good keep it up.......

  • @etikyalanishanthreddy1969

    Thank you so much mam, for sharing your knowledge on this topic

  • @nasirkhan5328
    @nasirkhan5328 Před 4 lety

    Good explanation...thanks a lot madem

  • @227_vijayalakshmi9
    @227_vijayalakshmi9 Před 2 lety +1

    Tqq mam
    explanation is excellent👏👏👏👏👏👏

  • @SatishSatish-vh9sx
    @SatishSatish-vh9sx Před 3 lety

    Thanks mam explained each and every thing

  • @arjunsinghn1370
    @arjunsinghn1370 Před 4 lety +2

    Tq mam 2maro i have exam it'll help me a lot❤

    • @sushyyyyyyyy
      @sushyyyyyyyy Před 4 lety

      Mine on monday...
      All d best bro...👍🏻

  • @pramodkadam7150
    @pramodkadam7150 Před 2 lety

    Wonderful explanation 👍❣️

  • @ashwanisehrawat5066
    @ashwanisehrawat5066 Před 5 lety +6

    Loved you nail paint.... Hehehe
    Easily understandable thankyou :-)