two-part code

two-part code

[′tü ′pärt ′kōd]
(communications)
Randomized code consisting of an encoding section in which the plain text groups are arranged in alphabetical or other significant order accompanied by their code groups in nonalphabetical or random order, and a decoding section in which the code groups are arranged in alphabetical or numerical order and are accompanied by their meanings given in the encoding section.
References in periodicals archive ?
Once you have the two-part code, simply log on to the Scottish Citylink website at www.
BSI Business Information has just published BS 8419 Interoperability between metadata systems used for learning, education and training, a new two-part Code of Practice that gives recommendations for achieving interoperability between systems.