PawPrint.net Glossary of Terms

A coding technique that transmits T1 data at 1.536Mbps by inserting the pattern 00011011, with BPV´s in the fourth and seventh positions, wherever ones density requirements are not met by the unmodified data.  It requires the CSU to not remove bipolar violations, and works only where the phone company equipment can tolerate it. This allows 64Kbps channels on a T1 (for example) rather then the base 56Kbps.

RAM is a type of computer storage whose contents can be accessed in any order. This is in contrast to sequential memory devices such as magnetic tapes, discs and drums, in which the mechanical movement of the storage medium forces the computer to access data in a fixed order. It is usually implied that RAM can be both written to and read from, in contrast to read-only memory or ROM.

Computers use RAM to hold the program code and data during execution. In the first electronic computers, RAM wa...

A compressed graphic format suited for flat color images (illustrations) and drawings. It compresses images by referencing areas of the same colour thus it is less suitable then JPEG for photographic images (where there are colour gradients)

Originally created by CompuServ it was the subject of proposed law suits and patent discussions which have largely been dropped.

A set of rules used to define how email should be sent and governing communication between mail servers to achieve this end.

A lens defect that bends light rays of different colors at different angles and therefore focuses them on different planes.

This is common with low-end digital cameras and small consumer point-and-shoot models.

An ISO/ANSI/ECMA standard that specifies a way to annotate text documents with information about types of sections of a document. This is the root of most other markup languages: XML and HTML being examples.