The article deals with the control of input data in information systems. There are described in it the mode of procedure in case of detecting an error and the information which should be included in the report of errors. ...

The article contains a comprehensive review of the used methods of an automatic decreeing of Book-keeping vouchers. The first part of the article explains the term itself and the principles of decreeing vouchers in a ...

The article contains a short review of the methods of the control of information systems such as: analysis of tests results, interviews, questionnaires, block diagrams and decision tables. The authoress points out advantages ...

The article contains a review of the methods of controlling the functioning of information systems. The use of these methods guarantees correctness of data contained in files, which is an indispensable condition for effective ...

The article deals with problems concerning the control of the process of designing information systems and of the design documentation connected with it. Such controls aim at increasing the reliability of information ...

The article discusses the problem of threats connected with introduction of informatics to data processing. There are analyzed typical deliberate and non-deliberate threats (computer offences) and ways of counteracting them.

The main problem encountered while conducting simulation experiments is referring an accepted model and results obtained by means of it to a simulated fragment of reality. All the problems appearing here are called ari ...

Relational data bases are a novel but very dynamically developing field of knowledge. The article contains a review of the available and most popular systems of management of data bases. Its introductory part describes the ...