L-3.6: Direct Mapping with Example in Hindi | Cache Mapping | Computer Organisation and Architecture

In Direct mapping, assign each memory block to a specific line in the cache. If a line is previously taken up by a memory block when a new block needs to be loaded, the old block is trashed. An address space is split into two parts index field and a tag field. The cache is used to store the tag field whereas the rest is stored in the main memory.
0:00 - Introduction
0:46 - Understand Architecture
5:20 - Direct Mapping
9:33 - Referencing

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[itakhushalkoli]

Yesterday I learnt OS from you and today COA. The bits concept of representation of physical address is as clear as crystal. Thank you sir.
I have already suggested your channel to my entire barch. everyone is watching your videos! You are a savior.

[noorzaka]

Sir im from Pakistan. Thank you so much. Bht kam time me achi preparation horhi h lecturer ki.. Allah apko eska ajar de. Ameen sum Ameen

[deepanshumishra]

Bhai,
jaan daal di iss topic me, hats off bade bhai🙏🏻👌🏻😉

[rahulbajetha]

what a lecture r better than my my teacher....

[ayushiyadav]

12:00 I finally understand the concept of cache mapping, which puzzled me throughout college. Even my professor seemed confused at times, making it hard to grasp the material. Thank you so much, sir, for clearing up all my doubts.

[srijitanitamajumdar]

Amazing sir!!! Hands down!! The best explanation available on the entire Internet!!! We are indeed most fortunate to have you by our side!! THANK YOU SO MUCH!!

[ayus_bieb]

Just an another lever teaching...
I haven't attended any Computer Organization classes mentally in my online classes...
But after watching this video I'm getting very interested with this subject...❤️❤️❤️

[aamirhayat]

If we want to select directly block from available blocks in cache, convert tag number to decimal. That is in your example
010= 2 means second block in L0 which is B8..
001= 0 means 1st block in L1 which is B5..
Thank you for your great explanation and making focus on concepts..

[Travel_learn_vdDiksha]

What a great explanation💞💞 sir....commandable always I was confused in this topic bt u cleared my all doubt related to this topic💕💓💞

[prashantsharma]

Example taken by you in last, where Tag is 010.
To decode the block we can see first 5 bits of the physical address which is- 010 00 00, so block number 8 will be in Line0 of cache in this case.(Just to answer it fast)
Sir, you explanation was🔥🔥

[navidmuhammad]

I have watched many of your videos. Just wana say thanks from the core of my heart. Well done and excellent teaching methodology.

[jacksentalksjst]

hello sir,
i am a b.tech 2nd year student and i ahve shifted to CSE branch from Mechanical branch and sir i was suffering a lot of problems regarding this subject infact i was in a fear of getting fail in this subject as this subject was totally unknown for me but after watching your videos i am in a state that i can easily score good in my exams infact now i also tech these topics yo my classmates. thankyou so much sir.

[deepakkumarnirala]

Best lecture! My concepts on Direct Mapping is 100% clear due to your best explanation technique...
Thanks a lot, Sir!🙂🙂🙂

[apoorvkansal]

Sir, this is the best explaination that any teacher could have ever given. Finally You are the one who has made this topic easy now and have taught better than my COSS faculty. 🙏

[daljitchana]

Omg 100% concept clarity, now I understand topic very clearly, hats off to you, most of the teacher not able explain it in this way.

[nocturnal]

Tag kya Hota hai ye ab jakar smjh aaya. Sb Kuch Chaan mara Kahi Kuch nahi Mila. Shayad Shivratri Ka fal mujhe just abhi mila. Apka channel mil Gaya. How lucky I'm. Sir ji love you for your efforts. ❣️ Lord Shiva bless you always.

[priyankajhanwar]

My semester exam of computer architecture is after 2 days and I'm learning all the topics from this channel he's making every topic very clear and easy amazing teaching skills tha thankyou so much sir

[rahulrai]

Sir at last bahut sahi bole ... mein Direct Mapping 1st time samajh ra hu, baki sabhi concepts single time me hi clear ho jate hain But this video needs 2 or 3 times watching.. sir me to apka effort hi dekh ra tha. This concept is quite confusing/difficult for me..
again Very well explained..👌Thank u sir..🙏

[anusrutimitra]

sir i m preparing for ugc net 2021, nd your videos help me to keep motivated...in this days i m praying only that one day i also can teach such concept clearing topic like you...wish me good luck please

[Projects_Circuits_Boards]

Sir aapke lecture dekh ke lagta hai padhte hee jao... Lecture kab katm hota hai pata hi nahi lagta... Thank u soo much sir... U are doing great for humanity..