1489	 Data Documentation and Decision Tables	 In business data processing systems it is necessary to be able to define and document data files programs and decision rules in a way that adequately represents both their changing information content and their continuous interaction. Tabular description makes this possible being notably objective through and economical in cost and time when systems must be analyzed and programs prepared or modified. To show how quickly tabular techniques make an unfamiliar system manageable a detailed example and a self-test are provided.
