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Transistor-magnetic core bilogical computer element 晶体管磁芯生物计算机元件
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457810
W. Dunnet, A. G. Lemack
{"title":"Transistor-magnetic core bilogical computer element","authors":"W. Dunnet, A. G. Lemack","doi":"10.1145/1457769.1457810","DOIUrl":"https://doi.org/10.1145/1457769.1457810","url":null,"abstract":"Square-loop magnetic core materials such as the ferrites and thin tapes, when employed in a toroidal core configuration, can be used to perform common logical functions such as \"or,\" \"inhibit,\" and \"invert\". It is possible to switch these core materials from negative to positive saturation flux density within several hundred millimicroseconds using less than 100 milliwatts of peak power. Cores themselves would then appear to be capable of operating in a sequential-type system at clock speeds in excess of one megacycle. However, in a practical system, realization of the fast switching time and corresponding low power consumption is difficult primarily due to the problems encountered in directly coupling one core with another. Transistors and diodes are often used as coupling devices between cores.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115519907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Contrasts in large file memories for large-scale computers 大型计算机大文件存储器的对比
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457825
J. A. Postley
{"title":"Contrasts in large file memories for large-scale computers","authors":"J. A. Postley","doi":"10.1145/1457769.1457825","DOIUrl":"https://doi.org/10.1145/1457769.1457825","url":null,"abstract":"Requirements for the use of very large files in digital computer systems for both scientific and business applications arise in a variety of circumstances. Certain characteristics of these applications tend to determine the type of file most suitable, where the file may contain well in excess of fifty million alphanumeric characters of information. These characteristics, some or all of which will be important in a particular application, include: 1. the upper and lower size limits of the file and the rate of change in total file size, 2. the volume of data which must be entered into and read from the file, either by other components of the mechanized system or by elements external to the mechanized system, 3. the speed with which each such reference must take place, 4. the average amount of data in one record and the variations in this amount, 5. the form of the original data and the desired form of information extracted from the file, 6. the control requirements dictated by particular kinds of files, especially the means of identification of records contained therein, and 7. the likelihood and implications of any unavailability, temporary or permanent, which may occur of information stored in the file.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128277710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The flow diagram approach to computer logical design using the NCR 304 as an illustration 以NCR 304为例介绍计算机逻辑设计的流程图方法
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457788
J. Hudson, W. Edwards, D. E. Eckdahl
{"title":"The flow diagram approach to computer logical design using the NCR 304 as an illustration","authors":"J. Hudson, W. Edwards, D. E. Eckdahl","doi":"10.1145/1457769.1457788","DOIUrl":"https://doi.org/10.1145/1457769.1457788","url":null,"abstract":"A flow diagram approach to the logical design and mechanization of computers and other digital equipment has served as a basic design method for the formulation and construction of a medium-size data processor, the NCR 304.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"126 9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124234870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Machine language in digital computer design 数字计算机设计中的机器语言
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457822
H. L. Engel
{"title":"Machine language in digital computer design","authors":"H. L. Engel","doi":"10.1145/1457769.1457822","DOIUrl":"https://doi.org/10.1145/1457769.1457822","url":null,"abstract":"If the description of the logical structure of a digital computer is in a form that can be processed by a digital computer, this description is said to be in a machine language. The notation of Boolean algebra is a particularly suitable machine language for the logical description of digital computers. The advantages of Boolean algebra notation in the logical design of digital computers has been amply pointed out in the companion paper.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130188509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Direct-coupled logic circuitry 直接耦合逻辑电路
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457778
J. Angell
{"title":"Direct-coupled logic circuitry","authors":"J. Angell","doi":"10.1145/1457769.1457778","DOIUrl":"https://doi.org/10.1145/1457769.1457778","url":null,"abstract":"Direct-coupled transistor logic circuitry (DCTL), first announced in 1955, has provided many desirable features for digital computer use. Among the principal characteristics of DCTL are extremely simple circuitry, a minimum number of auxiliary components, very low dissipation and power-supply requirements, and the possibility of extraordinary compactness. Various special-purpose machines using DCTL have been built, and at least one class of general-purpose computer has been designed and is in operation. In this paper, the unique features and limitations of DCTL will be considered in detail, together with a brief description of the circuitry and its principles of operation.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"520 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116264191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A command structure for complex information processing 用于复杂信息处理的命令结构
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457803
J. Shaw, A. Newell, H. Simon, T. O. Ellis
{"title":"A command structure for complex information processing","authors":"J. Shaw, A. Newell, H. Simon, T. O. Ellis","doi":"10.1145/1457769.1457803","DOIUrl":"https://doi.org/10.1145/1457769.1457803","url":null,"abstract":"The general purpose digital computer, by virtue of its large capacity and general-purpose nature, has opened the possibility of research, into the nature of complex mechanisms per se. The challenge is obvious: humans carry out information processing of a complexity that is truly baffling. Given the urge to understand either how humans do it, or alternatively, what kinds of mechanisms might accomplish the same tasks, the computer is turned to as a basic research tool. The varieties of complex information processing will be understood when they can be synthesized: when mechanisms can be created that perform the same processes.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130185240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 34
Direct access photomemory: part II. system considerations 直接存取光存储器:第二部分。系统的考虑
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457786
A. J. Critchlow
{"title":"Direct access photomemory: part II. system considerations","authors":"A. J. Critchlow","doi":"10.1145/1457769.1457786","DOIUrl":"https://doi.org/10.1145/1457769.1457786","url":null,"abstract":"The Direct Access Photomemory resulted as a continuation of the International Business Machines Corporation (IBM) research interest in random access memories for data processing which began with the Random Access Memory Accounting Computer (RAMAC). It was realized that large-capacity random access memories allowed the use of entirely new methods and techniques to drastically shorten data processing while providing valuable new services to the user. The model described in the first part of this paper was a research attempt into a new storage medium having the necessary characteristics.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124829966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flow gating 流控制
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457808
W. Poppelbaum
{"title":"Flow gating","authors":"W. Poppelbaum","doi":"10.1145/1457769.1457808","DOIUrl":"https://doi.org/10.1145/1457769.1457808","url":null,"abstract":"Synopsis: The standard arrangement used to transfer information from one flip-flop to another requires severing elements in the connection between them. The number of diodes and triodes in these \"gates\" is often comparable to that in the flip-flop. This paper describes a scheme in which the transfer is effected by a simple diode going from the sending to the receiving flip-flop and by changing the supply voltage of one of the two circuits. The method appears to be attractive for small memories composed of flip-flops. It is also shown that all inputs and outputs can be tied together and that information can then be exchanged between two partially selected units.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121074067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
High-speed circuit techniques utilizing minority carrier storage to enhance transient response 利用少数载流子存储提高瞬态响应的高速电路技术
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457811
L. P. Retzinger
{"title":"High-speed circuit techniques utilizing minority carrier storage to enhance transient response","authors":"L. P. Retzinger","doi":"10.1145/1457769.1457811","DOIUrl":"https://doi.org/10.1145/1457769.1457811","url":null,"abstract":"Since the introduction of transistors to the digital computer field, many circuit techniques have been employed to mechanize computer logic, flip-flops, and in general, bilevel switching operations. Initial transistor applications to digital computers employed circuit techniques carried over from vacuum-tube computer technology and in many instances the vacuum tube has been replaced; base for grid, emitter for cathode, and collector for plate, with the configuration of the other components of the circuit remaining unchanged.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129927414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Univac® M-460 computer Univac®M-460计算机
IRE-ACM-AIEE '58 (Western) Pub Date : 1958-05-06 DOI: 10.1145/1457769.1457791
J. E. Thornton, M. Macaulay, D. H. Toth
{"title":"The Univac® M-460 computer","authors":"J. E. Thornton, M. Macaulay, D. H. Toth","doi":"10.1145/1457769.1457791","DOIUrl":"https://doi.org/10.1145/1457769.1457791","url":null,"abstract":"The Univac M-460 is a computer of advanced design from both the logical and engineering standpoints. It is the intent of this paper to describe its more interesting features.","PeriodicalId":317469,"journal":{"name":"IRE-ACM-AIEE '58 (Western)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1958-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128460041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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