COMPUTER FUNDAMENTALS

Detailed explanation-1: -A BCR (barcode reader) or scanner, also known as a POS (point of sale) scanner is a hardware input device capable of reading a barcode using a laser. It can also load the details of the product or log information about that product into a database.

Detailed explanation-2: -A Barcode reader or Barcode scanner is an electronic input device which is able to scan and decode barcodes. These devices use optical technology such as infrared light. Some readers use an integrated decoder, others have one unit for reading the barcode, and another one to decode the barcode.

Detailed explanation-3: -Barcode readers ( and the input devices on the following pages) are classed as automatic input devices.