May 1984 - Vol. 27 No. 5
Features
The legal protection of computer software
As new as the technology itself, a sometimes confusing array of legal protections are now available to safeguard the huge investment of time and money that goes into the…
Accommodating uncertainty in software design
Recognition that most software is domain dependent (DD) is extremely important because the most commonly used software life-cycle models are not adequate for DD software.…
A virtual memory system for picture processing
A virtual memory system designed specifically for picture processing, Raster Handler 2 provides programs with efficient access to pixels. It features square partition of…
An algorithm for optimized Boolean evaluation in information management systems
In cases where simple data validation techniques are inadequate and optimization policies relatively complex (e.g., in health and medical systems), a Boolean optimization…
Evolution and organizational information systems: an assessment of Nolan's stage model
Richard Nolan's stage model is the best known and most widely cited model of computing evolution in organizations. The model's development over a decade demonstrates its…
A critque of the stage hypothesis: theory and empirical evidence
The stage hypothesis on the assimilation of computing technology provides one of the most popular models for describing and managing the growth of administrative…
Design of the S system for data analysis
S is a language and system for interactive data analysis and graphics. It emphasizes interactive analysis and graphics, ease of use, flexibility, and extensibility. While…