Bar Code Readers

Bar code readers:

A) are devices that use light reflection to read differences in bar code patterns to identify a labeled item.
B) are devices used for pattern recognition of handwritten or printed characters.
C) are input devices that capture printed images or documents and convert them into electronic digital signals that can be stored on computer media.
D) are computer-based systems for capture, storage, retrieval, and presentation of images of objects such as pictures and documents.