A primitive source of bar code images. Now only used by the rich and foolish - see Redundant

An original photographic film representation of a symbol or code. The quality may be reduced with each copy taken from the master.

A photographic film representation of a specific bar code or OCR symbol from which a printing plate is produced.

A precise negative or positive film transparency of a specific bar code symbol from which a printing plate is produced.

A photographic film of a specific bar code or optical character recognition (OCR) symbol that is used to produce a printing plate. firmware Software routines stored in read only memory (ROM). Unlike random access memory ( RAM), ROM stays intact even without electrical power. See also software.