QR codes were invented in 1994 by Toyota to track vehicle parts during manufacturing. A QR code is a type of matrix barcode that can be read by smartphones and stores information like text, URLs, or contact details. QR codes have greater storage capacity than traditional barcodes and became popular outside automotive use due to their fast readability. Information that can be encoded includes webpages, addresses, phone numbers, and plain text messages. QR codes are used in various industries and locations like hospitals, colleges, and by students. They can be created using online QR code generators.

1. QR
CODE
Name :- Pratik Gondaliya
Year :- Sem-II
Roll no :- 12

2. Introduction
 The QR code was invented in Japan
 inventor - Toyota subsidiary Denso Wave in
1994
 Invented for to track vehicles during the
manufacturing process, and originally was
designed to allow components to be scanned
at high speed.

3. What is QR code ?
 QR stands for Quick Response code
 A QR Code is a matrix barcode readable by QR
scanners, mobile phones with a camera, and
smartphones.
 It is also known as 2D barcode.
 QR code is quickly read by smart phones and
they can be used to store
 An email address
 Phone number,etc.

4. Why QR code ?
 The QR Code system has become popular
outside the automotive industry due to its fast
readability and greater storage
capacity compared to standard barcodes.
 QR Code data capacity
 Numeric Max. 7,089 characters
 Alphanumeric Max. 4,296 characters
 Binary (8 bits) Max. 2,953 bytes
 Kanji/Kana( used in the modern Japanese writing
system) code Max. 1,817 characters

5. How I Scan a QR code ?

6. What can be encoded into a QR
Code?
 URL can be encoded into a QR Code so
essentially any webpage can be opened
automatically as a result of scanning the QR
code
 Address
 Phone number
 Also plain message
 etc.

7. Where can QR Codes be used?
 Hospital
 Industry
 Colleges
 Laboratory
 Student

8. How can I make QR Code?

9. QR code specification
Finder pattern
Allignment pattern
Timing pattern
Cell
Quiet zone