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Time-sharing Computer Systems
This book is concerned with a development that is revolutionizing our idea of what a computer system should be.
An Analysis of Time-shared Computer Systems
Some of the aspects of the operation of time-shared, interactive computer systems are analyzed. The emphasis is on the reaction of hardware systems to the demands that its users make upon it. Simply stated, the problem is to characterize both time-shared systems and their users in order to be able to predict the performance of the two operating together. Portions of this problem include the specification and measurement of user characteristics, the development and verification of both simulation and mathematical models for time-shared systems, and the specification and measurement of performance matrics for such systems. The user and some of the performance measurements were made on Project MAC's Compatible Time-Sharing System (CTSS). (Author).
Human Factors and the Design of Time Sharing Computer Systems
The advent of computer time sharing poses an extraordinary challenge to human factors research during the next decade. Before time sharing, two facts combined to de-emphasize the importance of human factors considerations in the design of computer systems: (1) the cost of the computer's time was exorbitantly high relative to the cost of users' time, and (2) the users constituted a select, highly skilled and highly motivated group of specialists. Two of the promises of time sharing, however, are (1) a drastic reduction in the cost of computer time to the individual user, and (2) the large scale availability of computer facilities to individuals untrained in any areas of computer technology. Human factors considerations then become important both for economic and psychological reasons. This paper briefly notes what a few of these considerations are.
Time-sharing Systems
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Research in Man-Machine Communications Using Time Shared Computer Systems
The work of the Genie Project since its inception has been centered around the general subject of man-machine interaction. The main focus throughout has always been on the design and construction of time-sharing systems. A great deal of other work has been supporting this main effort. Most of the work which was not related to the construction of systems has been done using the system which has been constructed. The report is divided into two main parts: the work done between 1964 and 1966, most of which had to do with the creation of the SDS 940 time-sharing system; and the work done between 1967 and 1968, which was much more varied but had a major focus on the design of a new and more elaborate system.
