Abstract
AbstractInformation systems requiring special, extended character sets and/or special input/output devices require special attention to character representation (CR). Three CR's are usually involved: input, storage, and output. The storage CR is central, and system designers should plan it carefully to minimize storage space, program complexity, and execution time. Plans should include consideration of provisions for future expansion of the character set and/or change in I/O devices. Approaches to CR can be with fixed or variable length bit strings on binary machines. This paper delineates six different CR methods and discusses attributes of each in relation to information system requirements.
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