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4,587 Views • Jul 18, 2022 • Click to toggle off description
In this lesson, I explain exactly how each bit contributes a value to a given number and how that value can be switched from plus to minus. I also return to a problem I looked at some time ago: why do big positive numbers sometimes get changed to negative?
MORE LESSONS
=============
To follow all this series on bits, bytes and binary numbers, go to the “Down To The Metal” playlist:
• Down To The Metal
Lessons on specific topics:
Why Do Big Numbers Turn Negative?
• Why Do Big Numbers Turn Negative (in ...
What is a Binary Number?
• What Is A Binary Number?
Bits, Bytes and Binary Numbers:
• Bits, Bytes and Binary Numbers
Be sure to subscribe to the Code With Huw channel so that you get a notification when I upload more lessons in this series.
PROGRAMMING BOOKS
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If you want to learn programming in more depth (and also support this channel!) you might think of buying one of my books. I have written books on C programming, Using Pointers in C, Recursion and other programming topics. You can buy my books (paperback or Kindle) on Amazon.
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Good luck! And good programming!
Views : 4,587
Genre: Education
Date of upload: Jul 18, 2022 ^^
Rating : 4.937 (2/124 LTDR)
RYD date created : 2024-01-19T22:40:57.64903Z
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YouTube Comments - 14 Comments
Top Comments of this video!! :3
What a great explanation. Thank you!
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I can't thank you enough for the perfect explanation. It helped me so much.
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Thanks for the perfect explanation!
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Great, the concept that all we should remember is that the leftmost bit adds it's value when it turns the sign in to negative, while all the rest are adding to that negative number is a really nice and simplified explanation of how to look at signed bits.
But again I'll poke you about the two's compliment. Because right now logically, to someone who doesn't know, a `-1` should be 10000001 if we are using the leftmost bit for + or -. More over why should the leftmost bit add it's value when in negative but not when positive. The explanation of the one's compliment and two's compliment and it's attempt to solve the issue where the leftmost bit is used for the negative or positive sign, should be a future topic for a video, to cap the whole bit series. Because there is a reason to the madness(as they say), which explains why -1 is 11111111 and not 10000001, why the negative range for the singed number is +1 more than the positive.
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Which he had the Excel spreadsheet available to download
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Thank you; for bitter understand of pointer and stack and heaps;
I use one pointer to first declared variable , and ability to change other variable value only by offsetting these pointer, and any king of variable char , struct …, but function !!!! Is Not Working
I’m looking to map the whole memory, As We Do in mathematic(topology),
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i loved the video
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@anthonygayflor
2 days ago
Incredible explanation!!
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