How many types of barcode scanners are there?

pen wands, slot scanners, Charge-Couple Device (CCD) scanners, image scanners, and laser scanners

What is the Difference between Barcode & QR code?

Barcode- This is used to store information in a 1D or 2D format that can be scanned for data retrieval....

What is QR code and its types?

 A QR code (quick response code) is a type of two dimensional (2D) bar code that is used to provide easy access...

What is barcode and its types?

A barcode or bar code is a technique for addressing information in a visual, machine-decipherable structure. At first, barcode addressed...