What is Barcode and Different Types of Barcodes?

Ever wondered what is barcode? It’s a visual representation of data that can be scanned for identification. There are various types of barcodes, like 1D barcode and 2D barcodes, each serving different functions. A 1D barcode holds basic numeric data, while 2D barcodes, like QR codes, store more complex information used in advertising and logistics.