✍ Scribed by Jürgen Pilgrim
No coin nor oath required. For personal study only.
The working process in electronic data processing (EDP use) is regarded as a work activity performed by the computer user, and is discussed on the basis of user investigations carried out in a bioscientific research unit. The interaction between man as the EDP user and EDP use takes effect through the EDP task and its requirements of the computer. This relationship leads to justification of the "user system" as a model concept, which offers a better approach to planning and analysis of computer applications integrating the user. A method of judging computer applications as EDP use from the standpoint of the user is presented and explained using the results of investigations using an interactive methods base.
When carrying out a critical investigation of the user in the development of EDP as an information technology, we can demonstrate different roles of the EDP user, distributed over about four periods of time (Table 1). These periods of time are not sharply distinguishable; thus, the third period continues to the present day. They are just characterizing typical phenomena. Table 1 shows an interesting parallel between this development of the role of the EDP user and the development of the so-called computer generations, revealing a permanent time-shift with regard to adaptation or modification of the user's role in the technical development of the computer. The revaluation of the user is connected with the growing importance of EDP use as a work activity carried out by the user.
In the socialist countries, the user problem exists too, although less pronounced and acute because of the prevailing production conditions; furthermore, it is oriented more towards ergonomic questions associated with rationalization tasks (Savalova, Lomov
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