Barcode is the information representation that can be read by a machine. Earlier, the data was stored by barcodes in spacing and width of the parallel lines that were printed, but nowadays they are also founding patters such as concentric circles, dots and the text codes that lay hidden in images. These bar codes are comprehensible by the optical scanners known as barcode readers. Bar codes are commonly employed to implement AIDS or Auto ID Data Capture systems, which enhance the accuracy and speed of the computer data entry. It has an edge over other AIDC methods, as it is comparatively inexpensive to implement.     

Metrologic Optimus R is a mobile computer, which is the rugged solution for the batch data collection functions, as it demands distribution and warehouse center environments. Its IP rating being 65, Optimus R can take slamming and continue with scanning. This ergonomic and stylish mobile computer instantly downloads and uploads data with the option of Direct Connection that lowers the ownership cost as it makes unnecessary the distinct terminal cradle. Tools for software development and easy navigations are some other features of Optimus R. PDT programs can also be configured with the help of Optimizer software. 

Datalogic Magellan 8500 works with the help of OmegaTek Productivity Technology which comprise in software and hardware innovations that improves the scanner performance significantly as the read rates for difficult to read bar codes can also be read. FirstStrike decoding software and SurroundScan 3D Scanning technology is utilized by Magellan 8500 and the shrink is reduced, as it is equipped with a superior All- Weighs platter.