L-5.5: First Fit, Next Fit, Best Fit, Worst fit Memory Allocation | Memory Management | OS

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When Exam in 1 hour, SPEED = 2x Varun Singla: Rapping in Operating System

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[@aromalrm3146]

🎯 Key points for quick navigation: 00:00 *🧩 Various memory allocation methods in contiguous memory management: First Fit, Next Fit, Best Fit, and Worst Fit.* 01:23 *🕵️‍♂️ First Fit algorithm allocates the first hole big enough to hold a process, which is easy and fast.* 02:54 *🔄 Next Fit starts searching for the next hole from the last allocated hole, reducing search time.* 04:48 *🔍 Best Fit searches for a hole with minimum internal fragmentation by choosing a hole with the least leftover space after allocation.* 06:40 *🔄 Worst Fit allocates the largest hole, maximizing the leftover space, allowing for potential accommodation of more processes.* 15:37 *🕰️ First Fit is often the most convenient method due to its speed, but different scenarios may require the use of Best Fit or Worst Fit.* Made with HARPA AIPlea

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you knows hindi??

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It's because the title is in English but he speaks Indian or whatever that language is.

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[@WaelHasnaoui]

@@amanbhadani8840 I dislike the video because the title is misleading. If you want to create content in Indian, make an Indian title. Don't click bait international people with an English title when your content isn't in English. Just like he baited me to click, he gets a dislike.

[@amanbhadani8840]

@@WaelHasnaoui We at India study with the same technique, mixture of Hindi and English.You could have understood by English subtitles rather than disliking and one more thing when u are going to learn anything put your ego aside and ready to respect your guru then knowledge will automatically come.With this weird attitude You are not going to learn anything.

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@@amanbhadani8840 if I'm going to learn something I definitely wouldn't need an advice from a random Indian like you on the internet. So don't tell me how I'm supposed to learn because everyone learns their own way. Again if the video isn't in English and the title is, it's misleading no matter there's subs or not. I dislike that so I'll dislike the video. No need to defend someone just because he lives in the same country as you.

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[@bytesizedcodebite]

2:44 there is nothing like the next fit in GALVIN. In fact, according to Galvin "searching for the next available hole can start either at the beginning of the set of holes or at the location where previous first fit ended

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Yes

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Playback speed=1.75 still getting wat he is teaching just coz he has explained it perfectly!

[@ayeshaparween2606]

Sir when you start this algorithm i think best -fit was the best but at the ending of lecture the whole scenario is change worst -fit become the best 😂😂 Thankyou for such a great lecture ❤️❤️

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[@sameernayak9611]

Sir, in your previous vidoes you said that external fragmentation occurs due to which we cannot give the leftover memory to any other processes but in this video you are saying to give leftover memory to other processes, i don't understand. and thanks a lot sir,your way of teaching is awesome

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[@AyeshaArshad-xo9or]

He said that we can allocate memory to other processes by using the method of compaction in previous video.

[@rudrasama297]

@@AyeshaArshad-xo9or But he also said that compaction method is really complex and take a lot of time.

[@rudrasama297]

@@AyeshaArshad-xo9or and in compaction, left over memory will get combined so there is no need to worry about size of left over space because after compaction it will combined with other space and make it a bigger space.

[@coderatul]

i had the same doubt but after some thinking I realised I previous video we were trying to fit a memory portion which was greater than of available memory live, if we were trying to fit 8mb of memory we had 2 separate holes of 4 MB, where has here we are having enough memory for incoming memory request

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