How QR codes work (slowed). Link to original. Shouldn't be too fast..
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How QR codes work (slowed)

Link to original.
Shouldn't be too fast.

Views: 15354
Favorited: 47
Submitted: 04/26/2014
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What do you think? Give us your opinion. Anonymous comments allowed.
#10 - xcoreyx (04/27/2014) [-]
Well after watching that, my understanding is not even the slightest bit higher
#7 - mudkipfucker ONLINE (04/26/2014) [-]
#13 - icameheretotroll (04/27/2014) [-]
I still have no ******* clue whats going on
#1 - leec has deleted their comment [+] (2 replies)
#2 to #1 - Johneyson (04/26/2014) [-]
I figured people would want a version they could read. The one I put in the comments had crap resolution.
#12 - theblackcrow (04/27/2014) [-]
i didn't understand any of this...
User avatar #18 - perform (04/27/2014) [+] (2 replies)
I actually understood that. Let me explain in the most basic terms I can use.

The beginning part has no major significance. What I'm going to explain is how the letters are recognized

There's a thing called ASCII Short for American Standard Code for Information Interchange and what it basically does is translate a number between 0-255 into a letter.

In binary, each unit (moving leftwards) has a value that's double of the previous number. Much like our number system where 10 is ten times bigger than 1. In binary, 10 would be only two times bigger than 1. Given 8 binary digits (or bit for short), the computer can create a 2 to the power of 8 (which is 256) different numbers which then correlate into 256 different characters.

The QR scanner reads this in a specific order, which is shown in the gif and thus translates every batch of 8 bits (or more commonly referred to as a byte) into a character. COMPUTER SCIENCE!
User avatar #9 - talkingmouth (04/27/2014) [-]
I still have no ******* idea.
#4 - boothead (04/26/2014) [+] (5 replies)
Could somebody make a QR virus that when scanned will **** down apple devices and everytime it boots up it shuts down after 30 seconds? Id love one, so I could print and post in school.
#6 to #4 - sternminator (04/26/2014) [-]
It doesn't work that way. Unless you have an app that will execute (extremely) small programs written into the QR code, the best that you can do is send someone to a website that does what you want it to do. That being said, there hasn't been a web crack for ios in a number of years.
#21 - SILENCEnight (04/27/2014) [-]
Comment Picture
#22 - herpaderderp (04/27/2014) [-]
Gee whiz, OP. I totally understand all of that. So helpful. Thank you so much.
We all are indebted to you for enlightening us all so.
User avatar #17 - sciencexplain (04/27/2014) [-]
Still means **** all to me.
#16 - grandmabetty (04/27/2014) [-]
#11 - classybot ONLINE (04/27/2014) [-]
too much science in this schnitzel, I'm out niqqas
too much science in this schnitzel, I'm out niqqas
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