COA | Cache | Introduction to Cache Memory | Ravindrababu Ravula | Free GATE CS Classes

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ความคิดเห็น • 156

  • @mishaalijaz8350
    @mishaalijaz8350 7 ปีที่แล้ว +85

    Awesome explanation! I've always had some trouble understanding Computer Organization related courses, and you made it all so easy! Sadly, most teachers don't explain things so perfectly.
    I'm a Pakistani and I personally think Indians are really good at explaining technical stuff. I've been learning coding from other Indian TH-camrs too! A big thank you to all of you people!

    • @sathyaramesh6978
      @sathyaramesh6978 7 ปีที่แล้ว

      +Mishaal Ijaz can you tell me the channel names you learn from...?

  • @StonedTraderz
    @StonedTraderz 7 ปีที่แล้ว +1

    your lectures helped me to score atleast 6-8 marks in engineering services exam, electronics engineering..Thank You.

  • @darshitvachhani9790
    @darshitvachhani9790 5 ปีที่แล้ว +14

    exam at 10:00 am and starting the syllabus at 1:00 am with this lecture sugggested by my freinds

  • @developer_george
    @developer_george 7 ปีที่แล้ว +129

    4 hours before my exams...here we go!!xD

  • @alizeegomes6355
    @alizeegomes6355 3 ปีที่แล้ว +3

    I am crushed, my database course was so boring i regret if i had you then. Excellent presentation

  • @ayzack2361
    @ayzack2361 7 ปีที่แล้ว +5

    I can't thank you enough man. You have helped me with my OS and Architecture class.

  • @vaishalijoshi7642
    @vaishalijoshi7642 6 ปีที่แล้ว +2

    Sir big thanks and salute to u...i have never seen this type of explanation on these topics...now i am big fan of urs...

  • @Kevin-id1uj
    @Kevin-id1uj 7 ปีที่แล้ว +1

    I admire you for such a good educational video. I also love your accent. I think indian accent is the accent of hardworking people of the world that are peaceful and free-minded.

  • @faizakhazma5122
    @faizakhazma5122 4 ปีที่แล้ว +1

    Consider the machine of Figure 3.4 in top level view of computer architecture chapter also has the following instruction: 1010= xor to AC from device 1110 = Jump if sign=0 1111 = halt Where the sign bit is the most significant bit of an integer. Halt is the end of the program
    For the following program, the program start at address 400:
    1. Load AC from memory 110
    - 2. Xor to Ac from device 200
    - 3. Jump if sign=0 to 410
    - 4. Store Ac to memory 111
    - 5. halt
    the program in address 410: -1. store Ac to memory 112 , - 2. halt
    please
    Help me solve the exercise

  • @shashankadoddamani
    @shashankadoddamani 8 ปีที่แล้ว +5

    Good one but temporal locality i got confused...actually temporal locality is If at one point a particular memory location is referenced, then it is likely that the same location will be referenced again in the near future.

  • @arahflorgallardo871
    @arahflorgallardo871 8 ปีที่แล้ว +11

    I can't find paging among the OS videos :(
    I wish I could register for full course.
    Still, Thank you for sharing your knowledge Sir :D

  • @steved.1091
    @steved.1091 5 ปีที่แล้ว +2

    5:24 "Time taken to find out if the required element is present in the cache or not is hit latency", isn't hit latency the time taken to fetch data from the cache in case of a cache hit?

  • @ayzack2361
    @ayzack2361 6 ปีที่แล้ว +2

    Thank you for your videos. You helped me so much with my OS and Architectural Concepts class.

  • @maryasangeetha
    @maryasangeetha 7 ปีที่แล้ว +3

    At 11:00 "Temporal Locality says Least recently used element is going to be used again.Most Frequently Used item is Least Recently Used". This is confusing !
    Most Frequently Used is actually opposite to Least Recently Used. Temporal locality says that Recently used item will be referred again. ie. Least Recently Used item will NOT be referred !

    • @RahulDaslp
      @RahulDaslp 6 ปีที่แล้ว

      NO dear, He said "The Most Frequently used Algorithm, is LRU". it means out of FIFO, Optimal,and LRU. LRU is preferred more.

  • @krishnagavas6163
    @krishnagavas6163 7 ปีที่แล้ว +2

    your explanation is awesome , now i got the clear concept behind this, thank you for making such awesome video lectures😊😊😊

  • @Chrisymcmb
    @Chrisymcmb 7 ปีที่แล้ว +4

    This is an awesome description! Great job! Keep making videos man!

  • @DattuSampathKumardsk
    @DattuSampathKumardsk 8 ปีที่แล้ว +7

    Sir I can't find paging concept... please provide link sir

  • @manishaacharya7729
    @manishaacharya7729 7 ปีที่แล้ว +3

    You are amazing!!! The concept was so beautifully explained😍thank you so much

  • @Microcontrollerslab
    @Microcontrollerslab 6 ปีที่แล้ว

    CPU registers do not store instructions. Registers only store operands values, addresses and results of ALU operations. So correct yourself

  • @anilpatel-mu2qc
    @anilpatel-mu2qc 9 ปีที่แล้ว +14

    ur teaching style is very coooll

  • @aloktripathi1502
    @aloktripathi1502 8 ปีที่แล้ว +1

    Thank you sir for Clear explanation about it...

  • @saifalikhan5206
    @saifalikhan5206 7 ปีที่แล้ว +1

    i liked without even watching the video!!
    because i know he is amazing

  • @mysterious_billionaire
    @mysterious_billionaire 9 ปีที่แล้ว +21

    can anyone link me to the video about paging..

  • @mr.curious1329
    @mr.curious1329 3 ปีที่แล้ว

    Sir pls tell which is better Hamacher or Stallings for coa?

  • @onkardesai30
    @onkardesai30 6 ปีที่แล้ว

    The explanation of temporal locality was incorrect. 12:20 He said that "Least" frequently used has high chances of getting used again.
    Temporal Locality: (from wiki: en.wikipedia.org/wiki/Locality_of_reference )
    If at one point a particular memory location is referenced, then it is likely that the same location will be referenced again in the near future. There is a temporal proximity between the adjacent references to the same memory location.

  • @zielonyswistak69
    @zielonyswistak69 9 ปีที่แล้ว +93

    Please, add subtitles! Lecture was great, but it's really hard to understand your accent!
    PS I wish I had so hot teachers at my uni :D

    • @11shubhankar
      @11shubhankar 7 ปีที่แล้ว +9

      Increase the speed to 1.25 or 1.5 for convenience.

  • @voipims
    @voipims 9 ปีที่แล้ว +1

    Hi , Nice lecture ..where is the second part of cache lecture where it explains..how it decides that which part of main memory cache takes ? how it works ?

  • @rnbsantosh
    @rnbsantosh 7 ปีที่แล้ว +1

    Were all the gate lectures available over youtube.?

  • @vipingautam9852
    @vipingautam9852 6 ปีที่แล้ว +2

    Sir your lecture was really great!

  • @luvpatel1867
    @luvpatel1867 7 ปีที่แล้ว +1

    Awesome explanation! Can you please make videos on High Performance Computing (HPC) ?

  • @DataBie
    @DataBie 7 ปีที่แล้ว +1

    Great Job sir
    Please sir make complete tutorial series for computer architecture and organization

  • @sasikumarmaram5099
    @sasikumarmaram5099 6 ปีที่แล้ว +1

    Can u upload a video explaining algorithms for addition. And substraction in computer organisation and design 'with example'

  • @piyabiswas2908
    @piyabiswas2908 7 ปีที่แล้ว

    Great sir...im totally depend on u for gate exam

  • @udupi123456
    @udupi123456 5 ปีที่แล้ว +1

    I would go half an hour early to his lecture if i had him during my engineering :D

  • @aryas9304
    @aryas9304 7 ปีที่แล้ว

    Awesome explanation sir....kindly put more vedios
    Your explanations are very much helpful for understanding concepts clearly and studying them in gate point of view
    so please plan ut more vedios sir...its my humble request

  • @rockinuu5972
    @rockinuu5972 8 ปีที่แล้ว +22

    His accent is too thick for me to understand, is there anyway they could add subtitles?

  • @wafaaabd8670
    @wafaaabd8670 6 ปีที่แล้ว

    I made the speed 0,75 because I feel he is speaking Hindi not English but thank you very very very much for him

  • @debabratasahoo5675
    @debabratasahoo5675 6 ปีที่แล้ว

    Sr please upload the course for COA ESE syllabus for electronics people

  • @helloansuman
    @helloansuman 9 ปีที่แล้ว +2

    thanks for nice explain. please upload a video on various addressing schemes used....

  • @ingrid19st
    @ingrid19st 7 ปีที่แล้ว

    Can I have a link to the discussion about paging?

  • @chaithanyachiluka5269
    @chaithanyachiluka5269 5 ปีที่แล้ว

    can u share the virtual memory (paging,segmentation concepts in depth)?

  • @AmitChaudhary-qx5mc
    @AmitChaudhary-qx5mc 6 ปีที่แล้ว

    Very nice sir.
    Please upload all the videos.

  • @aizazahammad2593
    @aizazahammad2593 6 ปีที่แล้ว

    Sir paging video in operating system not found.

  • @rupalijain6562
    @rupalijain6562 3 หลายเดือนก่อน

    sir i am preparing for the ugc net. Sir please unhide the hidden videos too. i like your teaching methodology. i have studied from your compiler designing playlist and found it amazing

  • @chetangahane6850
    @chetangahane6850 7 ปีที่แล้ว

    best teaching i have ever seen!!!

  • @gowrishankararumugam7672
    @gowrishankararumugam7672 8 ปีที่แล้ว +1

    Very Good Lecture. Thanks a lot.

  • @entropy79
    @entropy79 7 ปีที่แล้ว

    Your tutorial are good and really have contents (very rear in our country if not none). Could you include some example in C (may be in x86). Too much of theory is boring !!

  • @sonamdema7094
    @sonamdema7094 7 ปีที่แล้ว +6

    sir can you please post videos on pipelining

  • @anithaguguloth1256
    @anithaguguloth1256 7 ปีที่แล้ว

    Ur teaching is supper sir ur style also

  • @saadisaad9759
    @saadisaad9759 7 ปีที่แล้ว +1

    Easy TO UNDERSTAND.....any videos on instruction pipelining?

  • @reena.m8471
    @reena.m8471 9 ปีที่แล้ว

    can u name the book which you refer?

  • @azharuddinkhan2929
    @azharuddinkhan2929 7 ปีที่แล้ว

    Nice explanation! Sir
    How can I get all the videos of coa.

  • @indrakushwaha9146
    @indrakushwaha9146 7 ปีที่แล้ว

    plz. Sir,Can you give me definition of Cache memory?In order to proper Understanding...

    • @tasostsiranidis5024
      @tasostsiranidis5024 7 ปีที่แล้ว +3

      Imagine cache as a fridge in ur kitchen an you are the chef(CPU). When you cook you need to take the food from the fridge and cook it in the kitchen, this helps you to cook faster than going to the supermarket for example to buy every time you cook. Cache helps to provide data faster to cpu than main memory ( cache cpi

  • @followsufism
    @followsufism 5 ปีที่แล้ว

    sir plzz upload all the videos of computer organization and architecture

  • @pardhasardhiraobezawada
    @pardhasardhiraobezawada 8 หลายเดือนก่อน

    Is this playlist is completed and is it relevant for gate 2025

  • @lahimadhe8066
    @lahimadhe8066 8 ปีที่แล้ว

    thanks for the great video , what is "demand pagging "? thanks anyway

  • @Surajray66677
    @Surajray66677 7 ปีที่แล้ว

    sir how i can watch your private videos??

  • @manoranjankuiri5097
    @manoranjankuiri5097 9 ปีที่แล้ว +6

    nice explanation!!
    I am little confused about mapping and paging technique.
    pls tell me sir.

  • @snehilkumar2819
    @snehilkumar2819 7 ปีที่แล้ว

    sir, i am a non cse/it student, can i apply for lateral entery at iiit hyderabad for cse....????/

  • @YashwanthMadaka
    @YashwanthMadaka 8 ปีที่แล้ว +1

    Your videos are very good.. thanks for the uploads.. :D

  • @gauravpahwa8029
    @gauravpahwa8029 8 ปีที่แล้ว +2

    great explanation

  • @fukulmahapatra5090
    @fukulmahapatra5090 8 ปีที่แล้ว

    rly vry useful for students....thanks a lot sir....

  • @sarfulali1845
    @sarfulali1845 6 ปีที่แล้ว

    Plz make a video about locality of reference

  • @ganeshbahadursingh8785
    @ganeshbahadursingh8785 8 ปีที่แล้ว

    nice explain and best
    teaching method

  • @rahulKumar-zh8zo
    @rahulKumar-zh8zo 7 ปีที่แล้ว +1

    Sir give me full course on computer organization

  • @aprender7923
    @aprender7923 6 ปีที่แล้ว

    You made a mistake. You said that the CPU is faster than memory (which is correct). But you gave an example assuming CPU has a speed of 10^-12 and to read from memory it will take 10^-9 seconds. But 10^-12 < 10^-9.

    • @poddarvaibhav2013
      @poddarvaibhav2013 6 ปีที่แล้ว

      You got a conceptual mistake. Whatever said is correct since the speed of memory is slower as compared to CPU. So at the time of fetching data from the memory CPU will be under waiting state and will become active after 10^-9 sec. So eventually CPU fetches data at the rate of 10^-9 sec.

    • @sanidhyapal5065
      @sanidhyapal5065 5 ปีที่แล้ว

      @aprender faster means less time.

  • @MrBharatshinde
    @MrBharatshinde 7 ปีที่แล้ว +2

    Good explanation. I will follow other videos too!!

  • @optimusprime7558
    @optimusprime7558 7 ปีที่แล้ว

    very easy to understand sir thank you

  • @valied8131
    @valied8131 6 ปีที่แล้ว

    For people asking for subs:
    The auto generated subs "hit rate" is around 92%-94%.
    Enjoy your day.

  • @vanishetty1808
    @vanishetty1808 6 ปีที่แล้ว

    sir it's really useful. nice explanation🤗

  • @funabbey3308
    @funabbey3308 6 ปีที่แล้ว

    please upload video on memory reference while addessing mode

  • @SmilerBFC
    @SmilerBFC 8 ปีที่แล้ว

    Is this a ARM cache

  • @bhargavi1164
    @bhargavi1164 5 ปีที่แล้ว

    sir can u update memory organization concepts

  • @joshisuresh8613
    @joshisuresh8613 9 ปีที่แล้ว

    Mr Aditya this is new generation science I am not conversant with it pl

  • @aravindreddy5985
    @aravindreddy5985 6 ปีที่แล้ว

    sir please do videos on 8086 microprocessor

  • @malleswarreddykalvapalli348
    @malleswarreddykalvapalli348 5 ปีที่แล้ว

    Super explanation sir

  • @louerleseigneur4532
    @louerleseigneur4532 3 ปีที่แล้ว +1

    Thanks sir

  • @alihusain356
    @alihusain356 7 ปีที่แล้ว

    thank you soo much Buddy too much help full

  • @saleemasaiju6291
    @saleemasaiju6291 8 ปีที่แล้ว

    Topics on DMA controller please....

  • @mrsumitraaz
    @mrsumitraaz 7 ปีที่แล้ว

    I need one guessing correct options trick video too sir.. :p

  • @Social-Justice-Wojak
    @Social-Justice-Wojak 9 ปีที่แล้ว +3

    awesome tutorial,, thanks

  • @romannagel2414
    @romannagel2414 5 ปีที่แล้ว

    excellant

  • @Chatbot121
    @Chatbot121 5 ปีที่แล้ว

    Great lecture!

  • @makrajput4054
    @makrajput4054 6 ปีที่แล้ว

    Great work

  • @nehabharti825
    @nehabharti825 7 ปีที่แล้ว

    Thank you Sir. Nice information.

  • @kamalkhan-ce5gq
    @kamalkhan-ce5gq 8 ปีที่แล้ว

    how cpu crates logical address ??

  • @roshanaragillani8607
    @roshanaragillani8607 8 ปีที่แล้ว

    awesome knowledge thanks

  • @rahulpargi2808
    @rahulpargi2808 7 ปีที่แล้ว

    Nice explanation..

  • @ahamedimad4554
    @ahamedimad4554 8 ปีที่แล้ว

    hi
    thanks for this.its really helpful.
    I have a question about cache if anyone can help,thanks in advance.
    the problem in keeping cache in MULTIPROCESSOR SYSTEM COHERENT is significantly more complex than
    UNI PROCESSOR SYSTEM why?

  • @hemanthnethi4291
    @hemanthnethi4291 7 ปีที่แล้ว

    Super explication bro

  • @sanketkumar1576
    @sanketkumar1576 9 ปีที่แล้ว +2

    great video keep uploading

  • @ciciliecicily84
    @ciciliecicily84 8 ปีที่แล้ว

    The algorithm LRU is least recently used.

  • @manahilkhan4834
    @manahilkhan4834 7 ปีที่แล้ว

    Asalam o Aliqum Sir very nice lecture

  • @upasnasingh4634
    @upasnasingh4634 7 ปีที่แล้ว

    Pls sir explain the topic interleaved memory

  • @surjadiptomukherjee5549
    @surjadiptomukherjee5549 5 ปีที่แล้ว

    sunil shetty picked up a new profession

  • @akhilalli5332
    @akhilalli5332 6 ปีที่แล้ว

    Super sir

  • @AakankshaDevgan
    @AakankshaDevgan 8 ปีที่แล้ว

    Amazing sir :)

  • @seenuradha3318
    @seenuradha3318 7 ปีที่แล้ว

    can have intefacing circuits lecture

  • @likithalikki6151
    @likithalikki6151 6 ปีที่แล้ว

    Very nic tq sir

  • @bobeatschocolate
    @bobeatschocolate 8 ปีที่แล้ว +1

    Please re-do with a clearer Mic, hard to hear especially with an accent.