friends now a days we all are using bar codes and qr codes.by using bar codes and qr code we can store a lot of data in that.
in this video i explained you how the qr code and bar code works.and also how to create a qr code in telugu.
QR Code (quick response code).thanks for watching this video. if you like this video please like and share with you are friends.don't forgot to subscribe.
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