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Proceedings of the IEEE

Issue 6 • Date June 1975

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Displaying Results 1 - 25 of 30
  • [Front cover and table of contents]

    Publication Year: 1975, Page(s): c1
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    Freely Available from IEEE
  • Scanning the issue

    Publication Year: 1975, Page(s): 835
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    Freely Available from IEEE
  • Interactive computing

    Publication Year: 1975, Page(s):836 - 842
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (888 KB)

    In the approximately fifteen years since the beginnings of time sharing, or interactive computing, this mode of operation has greatly influenced the development of computing systems. To summarize this development, a brief review of the projections of a decade ago is made, and then the developments of the intervening years are considered under the headings of hardware, process structure, operating ... View full abstract»

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  • On the relation of interactive computing to computer science

    Publication Year: 1975, Page(s):843 - 846
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (492 KB)

    Recognition of computer science as a research and educational field in its own right began only a decade ago. The computer science mainstream has been focused upon the understanding and creation of discourse between humans and, more specifically, between humans and their informational resources, both human and machine. This is in contrast with the common and predominate institutional view that the... View full abstract»

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  • Design of man—Computer interfaces for on-line interactive systems

    Publication Year: 1975, Page(s):847 - 857
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1369 KB)

    An attempt is made to integrate a wide range of material into a conceptual structure for the design of man-computer interfaces for on-line interactive systems. Typical roles for the human in man-computer systems are considered. Suggestions for the design of systems are developed in discussions of displays and input devices, visual information processing, and mathematical models of human behavior. ... View full abstract»

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  • Trends in computing-system architecture

    Publication Year: 1975, Page(s):858 - 862
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (585 KB)

    The evolution of general-purpose computing-systems architecture has been strongly influenced by the emergence of new technologies, the demand for new system applications, and the identification of significant architectural concepts. It is argued that today's architecture is primarily the product of this evolutionary process rather than the result of a deliberate design process. Current architectur... View full abstract»

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  • Modern central processor architecture

    Publication Year: 1975, Page(s):863 - 870
    Cited by:  Papers (1)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (995 KB)

    A number of significant architectural concepts which have evolved in recent years are reviewed. These concepts are: the notion of process and the facilities for process management, such as dispatching and synchronization; the use of segmentation in organizing address spaces, and the resulting sharing and protection capabilities; the control of access to data and procedures via multiple privilege l... View full abstract»

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  • I/O subsystem architecture

    Publication Year: 1975, Page(s):871 - 879
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1102 KB)

    The primary concerns of I/O subsystem architecture include the coordination of central processor and I/O subsystem activities, the mapping of external I/O processing requirements into the basic functionality of the I/O subsystem, and the management of concurrent processing activities within the I/O subsystem itself. Architectural developments such as data and command chaining, channel program inte... View full abstract»

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  • Structure of computer programs: A survey

    Publication Year: 1975, Page(s):879 - 893
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1833 KB)

    A survey of reasons fog and methods of dividing large computer programs into parts is presented. The paper concentrates on over-all or external program structures (e.g., methods of sharing data among procedures) rather than on internal program structures, such as arrays, pointers, loops, and conditional statements. The paper classifies reasons for dividing programs as arising from 1) physical cons... View full abstract»

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  • Some experience in interactive system development and application

    Publication Year: 1975, Page(s):894 - 911
    Cited by:  Papers (4)  |  Patents (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2274 KB)

    Minicomputers pgoggammed in a high-level interactive language form a very attractive basis fog the development of systems involving close man-computer collaboration. This paper is based on a wide range of experience of interactive minicomputer systems in commercial, medical, industrial, and scientific applications. It is first argued that the development of systems fog effective man-computer colla... View full abstract»

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  • The michigan terminal system

    Publication Year: 1975, Page(s):912 - 918
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (822 KB)

    The Michigan Terminal System (MTS) is a general-purpose operating system fog the IBM 360 and 370 computers. An overview is presented of the internal structure of MTS and the facilities provided to a user of MTS. This includes an introduction to the command language and file system, and a summary of software and hardware supported. Brief descriptions of performance measurement and accounting are al... View full abstract»

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  • A file system for a general-purpose time-sharing environment

    Publication Year: 1975, Page(s):918 - 924
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (850 KB)

    The file system for the Michigan terminal system (MTS) is described. MTS is a general-purpose multiprogramming multiprocessing paged time-sharing system for the IBM 360/67 and 370/168 developed at the University of Michigan, Ann Arbor. First, an overview of some of the external facilities provided to the users of files is presented; then some of the internal design philosophy and corresponding imp... View full abstract»

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  • Multiprogrammed memory management

    Publication Year: 1975, Page(s):924 - 939
    Cited by:  Papers (11)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1681 KB)

    A queueing network is used to show that the page-fault-rate functions of active programs axe the critical factors in system processing efficiency. Properties of page-fault functions are set forth in tenns of a locality model of program behavior. Memory management policies are grouped into two fixed-partition and three variable-partition classes acording to their methods of allocating memory and co... View full abstract»

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  • The Utah TENEX scheduler

    Publication Year: 1975, Page(s):940 - 945
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (690 KB)

    A scheduling algorithm which is a modification of the standard TENEX scheduler is described. This algorithm differs from those commonly used in time-sharing systems in that it treats the case of multiple critical resources. The Utah scheduler considers CPU usage and real core occupancy, but the same techniques can be applied to cases of more than two critical resources. Similar scheduling tehnique... View full abstract»

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  • Analytic modeling of interactive systems

    Publication Year: 1975, Page(s):946 - 953
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (879 KB)

    An overview is presented of queueing theoretic modeling and analysis of interactive computing systems. While the emphasis is on recent advances, an introduction is given which briefly trices the historical development of this area to put current research in perspective. Models, methods of analysis, and applications to real systems are described. An extensive bibliography provides the references fo... View full abstract»

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  • Queueing network model of interactive computing systems

    Publication Year: 1975, Page(s):954 - 957
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (381 KB)

    A closed queueing network model with state dependent routing probabilities is developed for the study of interactive computing systems which use swapping as a memory managmnent strategy. An algorithm to obtain an approximate solution of the mathematical model is proposed. Based on meamuements of a dual-processor PDP-10 system, the model is found to be better in predicting the system performance th... View full abstract»

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  • Adaptive optimization of a time-sharing system's performance

    Publication Year: 1975, Page(s):958 - 965
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (681 KB)

    The complex task of managing a virtual memory multiprogramming system is considered as one which can be achieved by allowing the operating system to make use of measurement data gathered on-line in the scheduling decisions it has to make. System performance optimization is achieved by continuous monitoring of critical system parameters and workload characteristics and by use of this information in... View full abstract»

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  • Hierarchical techniques for the development of realistic models of complex computer systems

    Publication Year: 1975, Page(s):966 - 975
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (988 KB)

    This paper presents a case study of the development of a realistic, but analytically soluble, model of a very complex Computer system. This modeling project required the development and application of new dements of technology to support the modeling process. These included the use of a hierarchic structuring procedure to provide a fonnal control structure for the modeling process, and the use of ... View full abstract»

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  • Comments on "Schottky-barrier devices with low barrier height"

    Publication Year: 1975, Page(s):980 - 981
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  • On the mechanism of glow discharge detection of microwave and millimeter-wave radiation

    Publication Year: 1975, Page(s):981 - 982
    Cited by:  Papers (33)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (306 KB)

    A simplified and unified model of glow-discharge detection of microwave/millimeter wave radiation, compatible with experimental data reported to date, is presented. Emphasis is placed on the roles of the potential gradient and the electrode geometry. View full abstract»

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  • Verifications of the Kalman conjecture for irrational transfer functions

    Publication Year: 1975, Page(s):982 - 983
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (244 KB)

    The sufficient conditions for the Kalman conjecture to be satisfied given by Fannin and Rushing [1] are relaxed in such a way as to allow their approach to be applied to irrational transfer functions. Specific results for a class of systems containing transportation lag are presented. View full abstract»

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  • Comments on "Effect of source lead inductance on the noise figure of a GaAs FET"

    Publication Year: 1975, Page(s):983 - 984
    Cited by:  Papers (5)
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  • Unambiguous measurement of volume flow using ultrasound

    Publication Year: 1975, Page(s):984 - 985
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (199 KB)

    A new modality for transcutaneous measurement of blood flow is described. Two ultrasonic pulsed Doppler techniques (Doppler imaging and average Doppler shift detection) are combined to measure net flow across an arbitrary sample plane. This estimate of volume flow is independent of lumen shape, orientation, and velocity profile. View full abstract»

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  • On the convergence of the scattering statistics of finite number of randomly oriented dipoles to Rayleigh

    Publication Year: 1975, Page(s):985 - 986
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (203 KB)

    For randomly oriented half-wavelength dipoles, the scattering statistics of an ensemble, containing as few as five members, is shown to be indistinguishable from Rayleigh statistics, which is the limiting form as the number of scatterers becomes infinite. View full abstract»

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  • Observability for identification of cancer cell cycle and proliferative kinetic state

    Publication Year: 1975, Page(s):986 - 988
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (334 KB)

    The observability condition, which describes the cancer cell cycle kinetic state, is developed for determination of the initial cell age vectors. This condition, in conjunction with experimental cell size distribution, will assist in rapid determination of the cancer cell cycle kinetic state. View full abstract»

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H. Joel Trussell
North Carolina State University