LIDL is selling a £4.99 accessory that can help protect kids in your car. This bargain buy is perfect as the weather gets ...

Wedge barcode scanners and serial barcode scanners both connect to a PC to scan barcodes into the system. They do not, however, work the same way and each has advantages and disadvantages.

For a larger scale operation, however, you may need a bar code scanner and accompanying computer system. Before you purchase your bar code scanner, it's helpful to first learn how such a system is ...