January 1979 - Vol. 22 No. 1
Features
Interference detection among solids and surfaces
In many industrial environments it is necessary to determine whether there is interference among components. There are many potential interference problems in products…
The impact and use of computer technology by the police
Over the past decade there has been a significant growth in the use of computer technology by U.S. police departments. This growth, however, has been at a slower rate…
Permutation of data blocks in a bubble memory
A common internal organization of bubble memories consists of a set of (minor) loops, connected through another (major) loop. The problem of obtaining any given…
The impact of distributions and disciplines on multiple processor systems
Simple queueing models are used to study the performance tradeoffs of multiple processor systems. Issues considered include the impact of CPU service disciplines and…
An event-driven compiling technique
Due to the linear structure of source text, difficulties may arise in a one-pass compilation process. These difficulties occur when an entity cannot be processed because…
Syntactic source to source transforms and program manipulation
Syntactic transforms are the source to source program transformations which preserve the history of computation, and thus do not modify the execution time. Combined with…