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Bar Code Glossary | |
| Application Program: | |
| A computer program that performs useful work not related to the computer itself. Examples are word processors, spreadsheets, accounting systems, and engineering programs. | |
| ASCII: | |
| American Standard Code for Information Interchange - a standard code for representing characters as numbers used on most microcomputers, computer terminals, and printers. | |
| Aspect ratio: | |
| The ratio of the bar code height to bar code width. | |
| Character string: | |
| A sequence of characters stored in a computer and treated as a single data item. | |
| Checksum: | |
| A number that accompanies data transferred from one place to another that helps to ensure the data was transferred correctly. | |
| Clipboard: | |
| A holding area in Windows to which information can be copied in order to transfer it from one application to another. | |
| CPI: | |
| Characters Per Inch: the number of characters a fixed width font will print per inch. | |
| DPI: | |
| Dots Per Inch: the number of pixels or printer dots per linear inch. | |
| Font: | |
| A complete collection of characters, in a consistent style and size. This includes upper and lower case letters, numerals, punctuation, ligatures, and reference marks. | |
| Modulo: | |
| A mathematical operation that gives a remainder when one number is divided by another. | |
| Parity pattern: | |
| A clever way of encoding extra data, like a checksum, in the individual characters of a bar code. | |
| Scalable font: | |
| A font that can be used to print characters of any size. Many newer laser printers include scalable fonts. | |
| Symbology: | |
| A method of representing information by printed characters. | |
| TrueType Font: | |
| An outline typeface that can be scaled or sized to practically any size. | |
| Start Code: | |
| The leading character of a bar code that identifies what kind of bar code it is. | |
| Stop Code: | |
| The last character of a bar code that tells the bar code reader when it has reached the end of the code. | |
| Utility: | |
| A program that assists in the operation of a computer but does not do the main work for which the computer was bought. | |
| VBA Function: | |
| A small program written in Visual Basic and used in MicroSoft products like Excel, Access, or Word to help create bar codes. | |
