| Название | : | Essentials: Hidden Pointers - Computerphile |
| Продолжительность | : | 5.44 |
| Дата публикации | : | |
| Просмотров | : | 66 rb |
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Could you explain how the CPU knows whether what is stored at an address is a pointer or a value, ie how does it know what the type is (coming from a C background) Comment from : Simon Howroyd |
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Degree pointing three AlphabrCounting Ad πdegreebrNoting one Counting NbrThis is noting end proofbrπ degree is adsense Comment from : Kenichi Mori |
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Didn't this guy always make fun of Macs and Apple in general? And now he is wearing an Apple watch and is sitting in front of a Mac? Comment from : pcfreak1992 |
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Dummed down but not very well I would have explained the History of why they were brought, What was it like without them Comment from : Does itMatter |
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I CANNOT be the only person who went at least a minute trying to figure out how this related to computer mice Comment from : Rosie Isla |
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can I get some recommendations of websites or modern books that describe the theme and concepts of this video? Comment from : Bwian |
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Wonderful video Finally someone gives underlying reason for pointers Please do part 2 Comment from : silakanveli |
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I don't get the rant at the end Surely as long you have addressable memory, processor will use memory addresses, that's a given But addressable memory is implementation detail Why we "can't have" abstract algorithms if we don't have memory addresses is a mystery I can run lambda calculus in my head, for example, and I'm pretty sure I don't need to think about pointers to do that Comment from : Nikolay Yakimov |
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Thanks, Baggers Comment from : Jake Rutherford |
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The old Intel CPUs are terrible for demonstrating this None of those registers are pointers! That's because the pointer (address) is formed by combining one of those registers _with a segment register_ The segmented architecture was deemed necessary due to the constraints on silicon in a very narrow window in time, and should be kept in a curio cabinet, not dragged out for instructional videos! Comment from : lmiddleman |
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im drunk af and i dont know what hes talking about, but i like pointers Comment from : Chris K |
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Oi! you missed the segment registers! SS:SP, DS:DI, CS:IP Comment from : Alied Pérez Martínez |
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What about this is hidden? Comment from : Jeru Sanders |
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Thank you Comment from : Ancient Laws |
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Great explanation of why low-level programming is still essential to know of and understand It's not at all "obsolete" Also, that book you have reminds me of another book I have about programming on the 8088 it's called "IBM PC & XT Assembly Language: A Guide for Programmers", by Leo J Scanlon It's very educational and well-written Recommend it to anyone who is curious about assembly or who wants to cut their teeth on low-level stuff Comment from : ylluminarious |
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I can't understand this without a lego analogy Comment from : Jeff Irwin |
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