IRE Transactions on Electronic Computers

Issue 4 • Dec. 1956

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  • [Front cover]

    Publication Year: 1956, Page(s): c1
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  • IRE Professional Group on Electronic Computers

    Publication Year: 1956, Page(s): nil1
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  • [Breaker page]

    Publication Year: 1956, Page(s): nil1
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  • Change of Editorship

    Publication Year: 1956, Page(s): 183
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  • A New Type of Ferroelectric Shift Register

    Publication Year: 1956, Page(s):184 - 191
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1540 KB)

    Ferroelectric shift registers having completely independent parallel or serial inputs and outputs have been designed and constructed. The principal components of these shift registers are single crystals of barium titanate and silicon junction diodes. Two ferroelectric units and two to three silicon junction diodes are required for each stage of the shift register. Practical operating speeds for 1... View full abstract»

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  • Junction Transistor Switching Circuits for High-Speed Digital Computer Applications

    Publication Year: 1956, Page(s):192 - 196
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (855 KB)

    This paper describes junction transistor switching circuits capable of reliable operation at a clock rate of one megacycle. These circuits, consisting of a flip-flop, a gated pulse amplifier, and diode gates, consume a minimum of power and operate over a temperature range of -55° C to +85°C with complete transistor interchangeability. Applications of these circuits to binary counters, sh... View full abstract»

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  • A Multipurpose Electronic Switch for Analog Computer Simulation and Autocorrelation Applications

    Publication Year: 1956, Page(s):197 - 202
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1032 KB)

    A system of four diodes in a series-parallel connection is combined with dc operational amplifiers in order to accomplish a variety of computational operations. The diode circuit is equivalent to a SPST switch survey or a voltage pulse. When inserted in series with the input of an amplifier or an analog memory, the switch makes possible waveform sampling or waveform quantizing of the input voltage... View full abstract»

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  • Representation of Nonlinear Functions by Means of Operational Amplifiers

    Publication Year: 1956, Page(s):203 - 206
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (640 KB)

    The representation of a wide variety of nonlinear functions by means of the interconnection of unstabilized operational amplifiers is discussed. The nonlinear functions described include rectification, saturation functions, coulomb friction, dead space, and starting friction. The use of operational amplifiers alone to produce square waves and triangular waves, as well as gating operations, is also... View full abstract»

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  • An Error Analysis of Electronic Analog Computers

    Publication Year: 1956, Page(s):207 - 212
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (854 KB)

    Due to the physical unrealizability of electronic adding and integrating circuits with ideal characteristics, errors will be introduced in the solution of differential equations obtained by the use of electrical analog computers. Numerical errors in the solution will be introduced by fluctuations in the value of plate and of grid supply voltages, changes in the values of circuit components, and ch... View full abstract»

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  • Pulse Generator and High-Speed Memory Circuit

    Publication Year: 1956, Page(s):213 - 218
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1019 KB)

    Circuits for the recycling of pulses by means of a driving tube and an electromagnetic delay line have been developed, The necessary characteristic for the driving tube is shown and the effects of the delay line on the amplitude and width of pulses with respect to recycling operation are explained. Two modes of operation of these circuits are possible. One mode of operation allows any number of pu... View full abstract»

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  • The IBM 705 EDPM Memory System

    Publication Year: 1956, Page(s):219 - 224
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2644 KB)

    The IBM 705 memory system utilizes magnetic cores both as a storage element and also in a matrix address selection system. The magnetic core has been established as a memory element for large data processing machines. The core compares very favorably with other means of storage with respect to such factors as speed, reliability, size, cost, life, and simplicity of associated electronic circuitry. ... View full abstract»

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  • Reliability of an Air Defense Computing System: Component Development

    Publication Year: 1956, Page(s):224 - 226
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (734 KB)

    This paper presents the general aspects of the component development program for the AN/FSQ-7 Air Defense Computer. The requirements of the system for high reliability and long life necessitate proper selection of the type of component, proper specification of the component to the manufacturer, and proper component application by the circuit design engineer. The component development program has m... View full abstract»

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  • Reliability of an Air Defense Computing System: Circuit Design

    Publication Year: 1956, Page(s):227 - 233
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1198 KB)

    Extreme reliability resulting in no unscheduled down-time and a low ratio of scheduled maintenance to operate time was the objective of the AN/FSQ-7 design program. The circuit design philosophy of this program is presented. In addition, an approach is given whereby the concept of marginal checking is applied to determine quantitatively 1) the relative reliability of computer circuits and 2) that ... View full abstract»

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  • Reliability of an Air Defense Computing System: Marginal Checking and Maintenance Programming

    Publication Year: 1956, Page(s):233 - 237
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1010 KB)

    Marginal checking by varying supply voltages for some time has been a means of preventive maintenance for electronic systems. Some important innovations have been employed in the marginal checking system of the AN/FSQ-7 air defense computer to give a more effective high-speed preventive maintenance technique. Completely automatic preventive maintenance testing is discussed incorporating program co... View full abstract»

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  • The Detection and Identification of Symmetric Switching Functions with the Use of Tables of Combinations

    Publication Year: 1956, Page(s):237 - 239
    Cited by:  Papers (14)
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    First Page of the Article
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  • Symposium The Design of Machines to Simulate the Behavior of the Human Brain

    Publication Year: 1956, Page(s):240 - 255
    Cited by:  Papers (1)
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  • Contributors

    Publication Year: 1956, Page(s):256 - 257
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  • PGEC News

    Publication Year: 1956, Page(s): 257
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  • Reviews of Current Literature

    Publication Year: 1956, Page(s):259 - 273
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  • Index to IRE Transactions on Electronic Computers

    Publication Year: 1956, Page(s):1 - 4
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Aims & Scope

This Transactions ceased publication in 1962. The current retitled publication is 

IEEE Transactions on Computers.

Full Aims & Scope