QR codes are two-dimensional barcodes that can be scanned by smartphones to link to digital content like websites, videos, contact info, and more. The document provides steps on how to create QR codes using online generators by inputting a URL or other information. It also explains how to scan QR codes using smartphone apps that read the square patterns and direct users to the linked content. Finally, the document lists some common uses of QR codes in businesses, education, marketing, and more.

1. QR-CODE
BY : -
RAVINDRA CHAUDHARY
1203213037

2. CONTENTS
What are QR codes…
How do I create them…
How do I scan them…
Where we use QR codes…

3. What are QR (Quick response) codes
 The acronym QR is short for “Quick Response”.
 A QR code is a two-dimensional code (2D code, matrix code).
 This means it contains data in both direction vertical and horizontal.
 A QR code consists of black modules (square dots) arranged in a square grid on a
white background, which can be read by an imaging device (such as a camera).
 Users point their phones at the QR code, scan it, and are then taken to the end
data. This could be text , website, call, geolocation, event, wifi,vcard.

4. How do I create them…
Steps to generate a QR Code for a
website :-
 Find URL of desired information.
 Copy that URL.
 Go on any QR generator ( here I choose http://goqr.me ).
 Paste the URL in the desired box
 Generate it .
 And if you required then download it.

5. QR Code Generators:-
qrcode.kaywa.com
qrstuff.com
http://unitaglive.com
https://bitly.com
goo.gl
http://goqr.me

6. Make QR codes interesting
Insert pictures and logos:-
http://mashable.com/2011/04/18/qr-code-design-tips/

7. How do I scan them…
Firstly you need to download an app to your phone:-
 Go to your phone’s marketplace and search for QR code scanner

8. Step 1 :- Install your App …

9. Step 2 : – Open the app …

10. Step 3:- Point your camera and click…

11. Step 4:– Here are the details from that QR
code..

12. Where you use QR codes…
 In Business cards.
 Products details.
 Use in education.
 Restaurant menus.
 Put your all info. In one.
 Finding current location.
 Party napkins.
 Sending emails and text.
 Contact details.
 Library catalogues

13. In Business cards…

14. Products details…

15. Use in education...

16. Restaurant menus…

17. Finding current location.

18. Party napkins...

19. Sharing contact details…

20. Library catalogues….

22. THE END