Bar codes no longer need specialized equipment to read them. Your smartphone has many apps that can read bar codes. There are apps where you can learn about the many types of bar codes and even generate and print bar codes of your own.
A bar code reader is an electronic piece of equipment used for reading or scanning a barcode using a light. Many smart phones have downloadable free applications that can scan bar codes.
Input - the reader is reading the bar code and putting the information into the computer
your head
Different bar code readers can be installed using Google's Play Store. The store offers a wide range of bar code scanners such as "Bar code Scanner from ZXing Team or Google's own implementation of a qr/bar code reader : Google Goggles.
There are several companies that make hand held bar code readers. You can even get an app for your smart phone that will read bar codes. A major manufacturer of bar code reader is Motorola (they bought "Symbol" the leading bar code reader company a while back). Look at: http://www.motorola.com/Business/US-EN/Business+Product+and+Services/Bar+Code+Scanning
There's an app for that
bar code reader
There are numerous advantages to the use of a bar code. The primary two are speed and accuracy. A bar code reader can decipher the code in just thousandths of a second and transmit it with near perfect accuracy - much better than humans can.
Barcode Reader Because im guessing my answer
The bar code reader is used to read printed bar codes. It allows an attached computer to identify a product or item on which a bar code it printed and, most importantly, price that item to automate and speed checkout in a store or market.
A)mouseB)Barcode readerC)Optical Mark readerD) Printer
My name is randy what is your name
Both terms apply to the same device. There isn't a difference.