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A new start

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A new start, some first help

netpumber	30 Apr, 2007 - 05:20 AM Post #1
New D.I.C Head Joined: 27 Oct, 2006 Posts: 16 My Contributions	Hallo every1 i want to ask you if some1 from here can help me telling me the first steps to learn hex and give me some tuts for newbies in hex .Thanx
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spullen	RE: A New Start 30 Apr, 2007 - 08:53 AM Post #2
D.I.C Regular Joined: 22 Mar, 2007 Posts: 330 Thanked: 1 times Dream Kudos: 50 My Contributions	So let's break it even further then Hex first. Let's try binary: so let's say we want the number 10 in binary, it will be 1010, and that is broken down like this 1 * 2^3 + 0 * 2^2 + 1 * 2^1 + 0 * 2^0 = 10. And if you notice that binary is written in base 2. Now hex is similar to binary. Hex is base 16, and goes from 0 to F (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F). And a neat thing is that 4 bits of a binary number represent a Hex value, so let's say we want 10 in hex (base 16) it will be xA (x denotes it as a hex value). So let's say we have xA8 which is 1010 1000 in binary and is 168 in decimal (base 10 form). I hope this helps. There are a ton of resource online if you want to learn more (I think wikipedia has a good page on both binary and hex numbers).
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William_Wilson	RE: A New Start 30 Apr, 2007 - 10:08 AM Post #3
lost in compilation Joined: 23 Dec, 2005 Posts: 4,101 Thanked: 25 times Dream Kudos: 3275 Expert In: Java, C, Javascript My Contributions	first off: nice explanation spullen second, hex is not a language, it is just a form of number in another base. What are you looking to learn in hex, the how to convert numbers? How to use a hex editor? Or somethign else?
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netpumber	RE: A New Start 30 Apr, 2007 - 10:55 AM Post #4
New D.I.C Head Joined: 27 Oct, 2006 Posts: 16 My Contributions	I want to learn Hex first of for reverse engineering.So.....because i am noob with this i want to find some books to learn it. Thanx very much for your answers and if you find a good ebook for noobs in hex pliz tell it to me to download it.I will try to find one in the internet.
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GWatt	RE: A New Start 30 Apr, 2007 - 06:33 PM Post #5
human inside Joined: 1 Dec, 2005 Posts: 2,356 Thanked: 31 times Dream Kudos: 500 My Contributions	You can get disassemblers that allow you to view the assembly code instead. That might be slightly more meaningful.
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spullen	RE: A New Start 6 May, 2007 - 09:25 AM Post #6
D.I.C Regular Joined: 22 Mar, 2007 Posts: 330 Thanked: 1 times Dream Kudos: 50 My Contributions	It is possible to write programs using hex, and binary, it's a pain but it can be done, and that's why they have assemblers. So if you want a very low level language I would recommend learning assembly (x86 is most common). If you want a simpler assembly language to learn try the book Introduction to Computing Systems by patt , patel. They use this simulator called the LC-3, and you can write little programs for it, and it gives you a base for learning a better assembly language.
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netpumber	RE: A New Start 8 May, 2007 - 04:40 AM Post #7
New D.I.C Head Joined: 27 Oct, 2006 Posts: 16 My Contributions	Sorry, but if you know where can i find this boo pliz tell me . I have searched in torrents but nothing. so........
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NeoGreen	RE: A New Start 21 May, 2007 - 07:56 PM Post #8
D.I.C Head Joined: 28 Apr, 2006 Posts: 228 My Contributions	I found it here: Intro to Computing
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