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6.3 Contiguous Memory Allocation | Fixed Size Partitioning | Variable Size Partitioning

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4 сен 2024

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Комментарии : 177

@KNOWLEDGEGATE_kg Год назад

For complete Operating System, check out this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-xw_OuOhjauw.html

@rishavsaxena3136 7 лет назад

we are having our semester exams with in 10 days and we were studying through your videos ... and after 16th video we really want to continue with you.. and Yes we got it at right time... THANKS Great work...

@ashugarg3196 7 лет назад

KNOWLEDGE GATE these videos are sufficient for gate

@phralma1000BC 7 лет назад

but i have exam next day and i discover him yesterday

@ajay.chawla 5 лет назад

I hope you passed your exams with good marks

@abhinavs03 5 лет назад

@@ajay.chawla lol

@Sastabatman2812 4 года назад

Yaha 10 hrs mai exam hai aur confidence itta ki dekh ke pass ho jayenge

@naincypriya7017 5 лет назад

I want to be an assistant professor and you are my idol.. thank-you so much for generating my interest in computer science after completing my m.tech

@abhinavjain8962 7 лет назад

Jai Jinendra "Jain bhai'.. i heard ur wedding is fixed.... Congratulations.........when I heard the name "Sanchit Jain" from my cousin....I just asked ....kya baat chal rhi hai..?? then he told me...about the wedding....congratz sir, have a happy and successful life ahead.....we are officially relatives now... ;)

@namangupta844 6 лет назад

Very nice""bht ache se smjh mai aaya. Sir"""thank you so much

@sabithasandeep6599 7 лет назад

Thank you Sir for such an amazing lecture... This is what called "Art of Teaching"... May God Bless You...

@KNOWLEDGEGATE_kg 7 лет назад

Hi Sabitha, Thank you so much for your encouraging and delightful words. :)

@sucharitanayak3540 6 лет назад

Mlp

@ashishcode 4 года назад

Wonderfully explained sir , it is because of teachers like you that I can score on my Engineering Exams.

@AbuWakkasBastob 5 лет назад

Thank you sir :) This world needs more people like you !!

@harshmishra9662 6 лет назад

Great teaching. The way videos are arranged sequentially and you start teaching from scratch is fabulous.

@Ayush1397 7 лет назад

Sir I have my OS exam on Monday and your videos have actually helped me a lot. Would be really grateful if you can upload atleast upto paging. Cheers.

@rishavsaxena3136 7 лет назад

I have same request Sir....

@n.r.ashwin7275 4 года назад

I like your speaking hindi & English. Also tricky learning

@ka1e_chips 6 лет назад

Here's a guy competing against top universities for student time and attention and he's winning spectacularly. He puts College professors across the country to shame LMAO.

@marvel438 4 года назад

Put to shame. Kuch bhi matlab. Your knowledge is very limited and I guess you have never got an opportunity to learn from great Professors. Yes, some teachers/professors are not up to the mark but your such broad statement represents your narrow mind.

@HARIHaran-ks7wp 4 года назад

@@marvel438 u from iit? lel

@therocker1212 4 года назад

@@marvel438 sadly there are too many professors who are not upto mark

@ka1e_chips 4 года назад

@@marvel438 Bru. If in my 3 years of college (VIT, Vellore) I can only name 3-4 professors who actually helped me understand material, I think it's safe to say, without making any broad assumptions, most college professors in India are worthless cocky morons.

@chhavijain1585 6 лет назад

Sir I have a doubt Even in variable size partitioning, once the memory is full, we will have to use the block where another process is stored. So, if the new process is smaller than the most appropriate block we could choose, won't it still cause internal fragmentation?

@jeno4344 6 лет назад

simply i like the word you use FRIENDS for addressing students.

@nidhinandani1827 4 года назад

Hope you could have provided videos for the entire tough and tricky topics of OS apart from these 60 videos.Because after watching your videos continuously, no other videos is providing such a clear concept as yours.Thanks

@hamzakhan-wv4ze 7 лет назад

this is awesome sir ... but you missed one thing in dynamic memory allocation/partitioning(variable) which is external fragmentation ... if 4kb process is executed and then it goes out and then let 2 kb comes in that area it will waste 2kb memory which is call external fragmentation ...

@sidhantverma4084 7 лет назад

Thank you Sir ! The lectures are excellent for GATE preparation.

@rajnishyadav321 7 лет назад

Very nice explanation of internal fragmentation and external fragmentation

@sumitgoyal385 7 лет назад

are wahh itti jaldi jldi upload ek din me 2 video :))))))))))))))) god bless u

@krishnabidwai6801 5 лет назад

you didn't speak about the problems of variable size partition. Rest of the video is super explained. Thanks :)

@NehaYadav-ge8ob 6 лет назад

Can you explain the difference between single partition and multiple partition allocation?

@vendetta3953 7 лет назад

good to see you back sir :) Please upload videos about File System/File Storage

@anupamdas-qk2kf 4 месяца назад

sir your explaination tecnique is good And thanks for this your DBMS video i watched which are also good.

@KNOWLEDGEGATE_kg 4 месяца назад

Thank you so much, @anupamdas-qk2kf. Keep learning & stay connected for more content.

@ashishgrover4506 4 года назад

why we still use fixed size partitioning as we have to suffer through internal fragmentaition in it ? why we not use variable size partitioning ?

@ShashiKS 4 года назад

Clear Example based lectures

@debarghayabhaumik4396 7 лет назад

SIR YOUR TEACHING STYLE IS SUPERBBBBBB

@KNOWLEDGEGATE_kg 7 лет назад

Appreciated :) :)

@ronnybanerjee6020 7 лет назад

Hi, very nice lectures sir. I'm elated!! I just want to ask one thing : in case of internal fragmentation, can the wasted space (say 1 KB wasted) be ever utilized or will be left useless??

@therealkk2181 6 лет назад

i love the way you describe things with examples . keep it up sir .

@prasoondavid5874 7 лет назад

all doubts cleared !! hats off to u sir

@KNOWLEDGEGATE_kg 7 лет назад

Glad we could be helpful brother. :)

@troymorton7663 7 лет назад

Thanks sir for these videos and for your great explanation. i wanna say that i get good mark in my exams through your videos

@binnygarg3505 5 лет назад

Best teacher so far

@sadgunsaiyadav 7 лет назад

please upload the videos about principles of deadlock.ThnkYu.your video's helping a lot.

@boomer5568 7 лет назад

sir,you saved me!! excellent effort.keep it up!!

@ranirp5266 6 лет назад

Super explaining sit

@petermburu3481 7 лет назад

hi, do a video to explain the difference between single partition and multiple partition in Operating System

@KNOWLEDGEGATE_kg 7 лет назад

we shall soon :)

@umapathybabu8397 7 лет назад

explain about CPU scheduling

@muhammadabrar4179 6 лет назад

great work....................... ;;;;;;;;;;;

@saurabhshelar9688 6 лет назад

Sir can you make videos on input output and deadlocks topic seriously its little tough to understand

@That_ModernDesi_girl 6 лет назад

nice vedio sir. but i m confused about the fixed size partition . one time y say that the parts parts should be of same size and the at the same time you say that is it is it necessary that the size of the parts is equal so I am not clear with it. plz clear it

@jedikevin1 7 лет назад

pretty good information. kind of a strong accent.

@shyamhakke6357 4 года назад

I have a doubt regarding fragmentation in variable size partitioning. How fragmentation occurs in it? there are only 2 cases... case 1: Internal frag. (not possible) case 2: External frag. (how is it possible?) because if we allocate variable sized partitions continuously, then if say we are left with 3kb free space and suppose new process has a size of 4kb. Then there is no space actually left for allocation. So it is the case of insufficient space instead of external frag. So, can u brief about how external frag takes place in variable size partitioning?

@gursimarsingh3745 7 лет назад

great video.. everthing was explained well... :-)

@KNOWLEDGEGATE_kg 7 лет назад

Hi Gursimar, we truly appreciate your kind words for our efforts. :)

@shubhashinisingh1035 4 года назад

please clear one of my doubts that is in the previous video you have shared that paging is the part of non- contigious memory allocation and here you are saying that paging is the part of fixed size partitioning ( contigious memoryallocation). Please make it clear to me.

@tauseefkhan8727 7 лет назад

sir in variable size partition it seems that it not only free from internal fragmentation but it can also remove external fragmentation. because when partition been created as per the size of process in run time, then where is the scope of external fragmentation??? because each process can be allocated as per its size in different partition.. and in external fragmentation says ,"memory available but cant allocate", but here if memory avaliable it must allocate. am i right????? please look into this sir...........

@narendraparmar1631 6 лет назад

Thanks sir ji😀 You are bringing change in society😆 Keet it up

@Rohit-tz6gs 4 года назад

8:51 We have 3KB as an available memory space but suppose two processes of 1KB each come then effectively we will have 2KB and left with 1KB out of 3KB so this seems to be INTERNAL FRAGMENTATION in variable size partitioning too.

@hrithiksarma2934 4 года назад

@Rohit, Interal fragemtation occurs when inside a partition a process is placed and some memory is left . that happens when you partition the memory first called as fixed partitioning.But if a process is placed directly in the available memory space available and the next process is placed in the next memory space it is called variable partition as partition is not done before. therefore the memory space that is left after we have allocated space to all other processes that is actually external partitioning. if it was the case that you had 2 partition of 3 kb each , and 2 process of 1 kb (example of fixed partition )then 1 partition would have 1 process leaving 2kb space useless already , and then process 2 in next partition leaving 2 kb useless after that is internal fragmentation , if it was variable partitioning then in total of 6 kb directly 1st and then 2nd process would have taken the first 2 kb slots in memory leaving the rest 4kb aside ..that is actually external fragmentation.. therefore what you have mentioned is actually external fragmentation.

@manishasharma-bq9ux 5 лет назад

Amazing explanation

@bhaviksuthar2948 5 лет назад

best lecture on os

@hmari_kahani 7 лет назад

Thank you Sir for such an amazing lecture.. i am prepapring for GATE , Would you please upload videos for computer architecture...??

@shivamgupta2842 5 лет назад

nikala kya GATE

@sanjeevashoka7948 5 лет назад

Thanks a lot sir ,,,

@sachingoel7790 6 лет назад

Hi sir your videos really help us but your speed is very fast. I request, please go with little bit slow it will also help for freshers.

@gaminggeek6581 4 года назад

sir pura series upload kar do students ko bahut madad milegi

@jenadra7453 6 лет назад

Sir, I really like the way you dicuss topics but would it be possible if you can add english sub.. thanks

@debayanichakraborty7219 4 года назад

Sir plz tell me what is the difference between internal fragmentation and external fragmentation

@flaviaawan6297 6 лет назад

Kindly make a video on memory compaction and buddy system

@pragyanayak246882 7 лет назад

Sir, can fixed size partition suffer from external fragmentation? if two continuous partition are there of size 3kb and 4kb and process required 5kb then can it be assign to process or there is external fragmentation? please explain.

@amanchandok685 4 года назад

I don't think that any memory will be allocated to such a process

@asifyounas2944 5 лет назад

Dear Sir,It is necessary in fixed size and variable size partition to fully reside process in main memory and at one place.

@asifyounas2944 5 лет назад

asifyounas708@gmail.com

@sirajbasrawala4579 4 года назад

this guy is awesome

@ashishbhat9901 5 лет назад

You r the best 👍👍👍

@vexxster2560 5 лет назад

if you have 2 free separate partitions available one of 200kb and another of 300kb right next to each other, can you add them together to allocate a process of 305kb? so then there will be a partition of 305kb abd 195kb? PLZ RESPOND ASAP

@sumantachakraborty8635 6 лет назад

Thank you sir for this video. But one thing is that it would be contiguous memory allocation, not contigious memory allocation.

@sushmitanigam5787 5 лет назад

wow u r so intelligent. why don't u go to primary school to teach spellings to kids?

@nareenderkumar 5 лет назад

@@sushmitanigam5787you are right

@roshanbaghwar9662 5 лет назад

@@sushmitanigam5787 What a reply mam!!!

@johorbahru1737 4 года назад

Thank you.

@shauryabavishi3874 7 лет назад

please sir upload videos also for computer networks subject.

@KNOWLEDGEGATE_kg 7 лет назад

Hi Shaurya, Thank you so much for showing your interest, We are working on Computer Networks. Please subscribe our channel to follow all updates. :)

@cococookie9265 4 года назад

Why there are so many memory allocation techniques? then which one is the currently in use.

@nigusu2133 6 лет назад

Very nice explanation 10q U

@krishnasrujan1486 4 года назад

Can we allocate two partitions for one process in Fixed size partitioning to prevent internet fragmentation in initial cases.

@ummerhussaindar510 6 лет назад

Sir need video of phases of memory management..... Initial allocation, recovery phase ans compaction....

@sandeepsingh5122 4 года назад

I have Q if here is 4 kb which is inserted into array then why are we not use 2kb 2kb instead of 5kb for 4kb size meanwhile its is also a contiguous...plz rly

@surajpatra8705 5 лет назад

Is internal fragmentation and external fragmentation are same ? Please explain.

@kshitisinha7961 3 года назад

no its not, internal fragmentation means the space that is wasted in the partition (only in fixed size) as no other process can fit into it but external fragmentation is the process that cannot be fit into any partitions due to space limitation. hope it helps :)

@satadhi 6 лет назад

Sir are you going to upload the complete series ? do we have to pay for the complete series ? please answer

@hriturajkashyap7910 6 лет назад

Does variable partitioning suffer from external fragmentation ?

@steved.1091 5 лет назад

yes, it does

@aradhanasaxena8561 6 лет назад

Great tq

@sumantachakraborty8635 6 лет назад

Fine

@rashisharma6635 5 лет назад

Sir i rqst pls airake your videos in hinfi bcs half of your lctr is going above head

@ytindianshots Год назад

Mera University teacher yahi same vedio dekh ke aata h😂

@user-yl7dw5kc4y 5 месяцев назад

us bro

@amishasingh5442 7 лет назад

Thanku sir

@KNOWLEDGEGATE_kg 7 лет назад

Appreciated. :)

@geetshukla1680 7 лет назад

what if a new process of size 4 came? I mean can we marge 2 adjecent blocks together to store a big process?

@debashish_bera 5 лет назад

Sir notes for Memory Management?

@paulomisadhukhan2774 5 лет назад

why cant we put the first 4kb process in the 2 successive 2kb segments??

@akshitarawat1970 5 лет назад

Its Contiguous

@ShivamGupta-nz7dy 6 лет назад

Sir why fixed size partition is better than variable size partition? How fixed size partition is easy to maintain? What is the problem with variable size partition?

@1-minutetips109 6 лет назад

What is external fragmentation??

@furqanbhat3464 5 лет назад

www.google.com/search?q=what+is+external+fragmentation&oq=what+is+external+frag&aqs=chrome.1.69i57j0l3.9517j1j7&client=ms-android-xiaomi&sourceid=chrome-mobile&ie=UTF-8#imgrc=BHVqqLaiiiNTXM:

@saifali-sr5qk 6 лет назад

sir how i can get slides of ur all videos ????? kindly tell me if there is some website or another channel .!!!!!!

@yaminisharma5682 7 лет назад

thank u .....

@hanumangodara4479 6 лет назад

Please reply anyone @5:36 If Pi have 6kb then 1st and 2nd slots are allocated or not

@mehars1006 5 лет назад

single partition and multiple partion b btao sr

@juhipalai5840 6 лет назад

Helped me a lot

@syedmoiezbukhari2972 4 года назад

Alright, but if there is no issue with variable size partitioning like internal/external fragmentation, then why it is not being used? -- as you mentioned in paging we use fix size partitioning.

@ayushbhardwaj582 4 года назад

It has externam fragmentationg nibbz

@syedmoiezbukhari2972 4 года назад

@@ayushbhardwaj582Bhardwaj yeah got it, i watched the next videos of this topic later. Yes there'll be external fragmentation :)

@SouravKumar-tq6sg 8 месяцев назад

Yaha comment padh rha hu to dekh rha hu, kese engineer’s bante hai😂😂😂

@rohit-pk4ey 5 лет назад

Is this complete operating system as syllabuses of engineering...?

@9467430590 5 лет назад

Osum sir ji

@deepums5528 7 лет назад

sir according to tanebamum book heading topics for memory management can u please provide the videos....itz urgent please

@deepums5528 7 лет назад

Within tomorrow if possible??

@viramshah3780 5 лет назад

U r god

@aaron___6014 5 лет назад

Why do I even go to class?

@marvel438 4 года назад

Ek saal hogaya comment kare hue.

@Jonathan-ng4vw 2 года назад

@@marvel438 do saal hogaya comment kare hue

@aaronator5225 2 года назад

@@Jonathan-ng4vw 3 sal ho gye vai

@Jonathan-ng4vw 2 года назад

@@aaronator5225 😂😂😂

@pickagaming6757 Год назад

Char saal hogaya comment karkar 😂

@adilaziz4837 4 года назад

Doesn't he look like arnab goswami?

@ankushagarwal6575 5 лет назад

But sir you haven't taught address translation.like you told later in this video only you will teach .like from logical address from to physical address. If any one will find it, please refer me to it, in which part it is there.