A scanner make your life easier
There is a “gun” you can see all around you. It won’t hurt you but make your life easier.
You can find it most in the supermarket, noshery and restaurant, they use it to scan the code, then you can get the information of the goods. The price, the name and the total amount will be noted on the computer. The cashiers can work only with the “gun” but do all the things. Also the express, police, you can find they only take a “gun”, but they can record all the tracking numbers and the information.
The “gun” is bar code scanner, it makes payment easier, make shipping easier and make life easier. There are many kinds, 1D, 2D, wireless and wired…. The best partner is a printer. So most, it’s used together with printers.