Advantages of bar-code reader?

Answer:
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.
First answer by Craigaberle. Last edit by Craigaberle. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 1 [recommend question].