How QR Codes Are Made? Benefits and Usability

How QR Codes Are Made? Benefits and Usability

Barcodes are small rectangular codes developed in the 1960s to help automate inventory at retail stores. While barcodes had been around for decades, there was still no convenient way for shoppers to scan them with their smartphones. In 1999, a group of scientists from the MIT Media Lab came up with the idea of using data-containing QR codes to help address this problem.


A code is a set of rules that can be read and understood by a computer. It’s like writing, except you’re not just writing on a piece of paper or parchment–you’re writing on a computer screen.

A QR code is simply an image (or series of images) that contains some form of encoded information in it: text, graphics, images or even URLs to webpages are all possible formats for the data inside your QR code! Using these codes can allow you to share information easily with people who don’t know how to read traditional written language.

Bar Codes

Bar codes are used to identify products. They’re made up of black and white lines, which represent the numbers on a scale from 1-9999. A bar code scanner reads these bars and spaces to determine what product it’s reading.

A QR code works similarly in that it’s also made up of black and white lines, but unlike bar codes, it does not have any spaces between them–it has rectangles instead! This means that when you scan a QR code with your phone camera (or whatever device), instead of seeing an exact number like 0 or

QR Codes

QR codes are a type of 2D barcode that can be read using a smartphone’s camera or other image processing software. They are used to track and market products, such as toys and food. The size of the QR code is determined by how much information it contains; larger QR codes can hold more data than smaller ones.

QR codes have been around since 1994 when they were invented by Denso Wave Inc., an electronics company based in Japan.[1] The technology was first used for marketing purposes by companies such as Sony Music Entertainment Japan (SMEJ)[2] and Disney Consumer Products.[3]

There are 3 different types of barcodes.

There are three types of barcodes:

1D Barcode: A one-dimensional (1D) code that uses black and white bars to represent data. These codes can be read by scanners, but they’re not as versatile as QR Codes or Data Matrix codes. They’re typically used in shipping labels or product packaging, but they can also be found on the sides of CDs/DVDs and magnets.

2D Barcode: A two-dimensional (2D) code that uses black pixels to represent data instead of black bars like 1D barcodes do. These codes are often easier for people with vision impairments because there’s less detail to understand at once–but they still require an image reader such as a camera phone app or smartphone scanner app in order for them to work properly!

QR Code: This stands for Quick Response Code; it’s basically just another name for 2D barcodes since it was created by GS1 Standards Council which makes rules about how companies can use these types of symbols in different industries including retail stores where customers may need quick access information before making purchases online; this type has become popular because many businesses rely heavily upon them these days especially when advertising campaigns occur online using websites such as Facebook Marketplace etcetera…


QR codes have become a very popular way to get information out to people. The code itself is not too hard to read, but there are other factors that can be used to enhance the experience. In order for a QR code to work properly, it needs enough contrast between the black bars and white space so that it will look good when scanned with an app on your phone or computer screen.

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