Technology Toolkit (2009-10-27 17:45)
For those who are not familiar with bar codes, they are a series of lines black lines and spaces or various widths that stand for numbers and /or letters, and punctuation symbols. The codes are found on most items produced today to uniquely identify items with a scanner. The scanner reflects light off the code and in turn reads the information, translates the code into numbers and letters that get processed and read by the computer. Bar codes, or UPCs (Universal Product Codes) were first used