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Sigmini the challenge of mini-computer software(Panel Discussion) Sigmini:迷你电脑软件的挑战(小组讨论)
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810306
Nancy M. Grosch, H. Grosch, E. D. Rather, T. Lewis, W. J. Holden
{"title":"Sigmini the challenge of mini-computer software(Panel Discussion)","authors":"Nancy M. Grosch, H. Grosch, E. D. Rather, T. Lewis, W. J. Holden","doi":"10.1145/800181.810306","DOIUrl":"https://doi.org/10.1145/800181.810306","url":null,"abstract":"In the early years of electronic computing, much attention was given to efficient algorithm design and implementation. It may be necessary to return to such efficiencies if we are to use short word, limited memory, constrained instruction set machines.\u0000 One panelist believes that programming techniques superior to those “into which we were frozen 15 years ago” can be designed. Another panelist is concerned with the social values of balancing economy, convenience and security.","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127035197","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
Evaluating computer graphics systems organizations 评估计算机图形系统组织
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810286
R. A. Ellis
{"title":"Evaluating computer graphics systems organizations","authors":"R. A. Ellis","doi":"10.1145/800181.810286","DOIUrl":"https://doi.org/10.1145/800181.810286","url":null,"abstract":"In many situations the potential user of a high-performance computer graphics system must not only select a specific system, but he must also determine which generic type of system best serves his needs. Of course, this is not always the case because frequently he is constrained by the local environment; an appropriate graphics system may already exist or the biases of the computing scene may favor a particular system organization. Never the less, the potential user may still have to select among several different graphics systems.\u0000 We will be discussing high-performance graphics systems. By this is meant the ability to display at least a few thousand lines and most likely hardware capability for rotation, translation, and clipping of the image. The term graphics device or display includes the actual display tube and associated driving electronics, any special-purpose hardware and possibly a small computer if the computer is used strictly to control the graphics device and is not available for general-purpose computing even if such computing is related to the graphics application.","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129186321","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
CAI programs at the University of Minnesota 明尼苏达大学的CAI项目
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810354
Russell W. Burris
{"title":"CAI programs at the University of Minnesota","authors":"Russell W. Burris","doi":"10.1145/800181.810354","DOIUrl":"https://doi.org/10.1145/800181.810354","url":null,"abstract":"CAI programs, which may be characterized as drill and tutorial, in use and under development at the University of Minnesota are described and discussed within the context of the more fundamental concerns of research and development into teaching and learning effectiveness. Examples chosen from German language, symbolic logic, legal procedure and clinical medicine programs illustrate student-program interactions. The programs show the results of research analyses of the knowledge and skills to be learned in each of the subject matter areas and studies of what the learner is required to do in order to learn.","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132401009","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
Principles of design in the octopus computer network 章鱼计算机网络的设计原理
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810357
J. G. Fletcher
{"title":"Principles of design in the octopus computer network","authors":"J. G. Fletcher","doi":"10.1145/800181.810357","DOIUrl":"https://doi.org/10.1145/800181.810357","url":null,"abstract":"The concepts and methods are reviewed which have proven to be of the most value in designing and implementing the Octopus computer network, which is one of the largest concentrations of computing capability in the world. The discussion summarizes design principles relating to the scope of system software, privacy and security, processor organization, file structure, network connections, hardware selection, programming techniques, standards, and use of resources. Differences with what appear to be widespread belief and practice are cited, including such matters as the size of the programmer staff, the significance of the privacy issue, the importance of the choice of languages and language constructions, the primary causes of system failure, and efficiency.","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128166745","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: 3
SAC-1 variable precision floating point arithmetic 可变精度浮点运算
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810341
J. Pinkert
{"title":"SAC-1 variable precision floating point arithmetic","authors":"J. Pinkert","doi":"10.1145/800181.810341","DOIUrl":"https://doi.org/10.1145/800181.810341","url":null,"abstract":"With most FORTRAN implementations, each variable V in a user's program is characterized at compile time as V<subscrpt>(B, M, N)</subscrpt> to specify that V can store exactly only values of the form ±b<subscrpt>1</subscrpt>b<subscrpt>2</subscrpt>... b<subscrpt>m</subscrpt> x B<subscrpt>±n</subscrpt>, where the b<subscrpt>j</subscrpt> are B-digits, m ≤ M, and n ≤ N. One typical triple is (16, 6, 64). A system has been developed in which (10<supscrpt>8</supscrpt>, 10<supscrpt>3</supscrpt>, 10<supscrpt>8</supscrpt>) is readily attainable, and M can be changed during execution. To achieve efficiency and portability, the implementation makes extensive use of the SAC-1 system developed by George Collins. This paper describes the routines comprising the system, and discusses a sample application, Theoretical and empirical computing times are also presented.","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130301637","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: 6
Acm committee on self-assessment(Panel-4): Programming skills/techniques test items: source and evaluation Acm自我评估委员会(小组4):编程技能/技术测试项目:来源和评估
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810362
T. Frederick
{"title":"Acm committee on self-assessment(Panel-4): Programming skills/techniques test items: source and evaluation","authors":"T. Frederick","doi":"10.1145/800181.810362","DOIUrl":"https://doi.org/10.1145/800181.810362","url":null,"abstract":"This panel session is organized to acquaint the audience with the current status of ACM's role in self-assessment for the computer professional. The session will be primarily concerned with test-item sources and test-item evaluation in the area of programming skills and techniques as defined by the following eleven items from R. Berger's AFIPS Report on COMPUTER PROGRAMMER JOB ANALYSIS: Input/output buffering, sequential search, Modular organization of a program and its data, Subroutine linkage/link editing, Programmed switches (in program logic/flow of control), Program annotation, Table look up - for finding function values, Indexing - address modification, Diagnostic messages, Desk checking and Compiler/assembler diagnostics.","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114063145","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
Experiences with hipo and other documentation techniques(Tutorial and Panel Discussion) 使用hipo和其他文档技术的经验(教程和小组讨论)
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810284
J. V. Duyn, Joe Rigo
{"title":"Experiences with hipo and other documentation techniques(Tutorial and Panel Discussion)","authors":"J. V. Duyn, Joe Rigo","doi":"10.1145/800181.810284","DOIUrl":"https://doi.org/10.1145/800181.810284","url":null,"abstract":"EDP professionals are becoming increasingly concerned with documentation - both in large and small facilities - and problems which are caused by poor or zero documentation. Several techniques are currently available that effect more efficient if not easier documentation of systems, programming, operations and procedures. Within the framework of the presentation and the following panel discussion some of these techniques - HIPO, WYLBUR, and word processing - will be described, clarified, and critiqued. The following pages offer a summary of the presentation and the specific viewpoint each of the panelists will present and discuss.","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128912959","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
Tree structures construction using key densities 使用关键密度构建树形结构
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810359
S. B. Yao
{"title":"Tree structures construction using key densities","authors":"S. B. Yao","doi":"10.1145/800181.810359","DOIUrl":"https://doi.org/10.1145/800181.810359","url":null,"abstract":"Storage structure alternatives exist for structuring symbol trees. Sequential structure is used in Trie and linked list structure is used in Doubly Chained Tree. A model of hybrid tree structures is presented which employs storage structures at levels where they are most efficient. The model parameters are determined by the densities of key components. A related hit ratio problem is solved so that these densities can be estimated. Analyses are given to determine appropriate tree structures from the model.","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114212374","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: 13
Software management 软件管理
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810345
Leon Presser
{"title":"Software management","authors":"Leon Presser","doi":"10.1145/800181.810345","DOIUrl":"https://doi.org/10.1145/800181.810345","url":null,"abstract":"Conventional software production efforts commence with an analysis of requirements, and proceed through design, coding and testing, with the product finally moving into an operational enviornment where subsequent maintenance and modification occurs. Moreover, various types of documentation are generated throughout these project phases. This is a gross outline and actual implementations vary widely between efforts, depending on environmental constraints. In addition to the satirical chronology listed above the introduction, we can make several key observations that apply to conventional software projects:","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114724847","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: 95
SIGDA Human factors engineering issues in design automation systems (Panel Discussion) SIGDA设计自动化系统中的人为因素工程问题(小组讨论)
ACM '75 Pub Date : 1900-01-01 DOI: 10.1145/800181.810283
C. W. Rose
{"title":"SIGDA Human factors engineering issues in design automation systems (Panel Discussion)","authors":"C. W. Rose","doi":"10.1145/800181.810283","DOIUrl":"https://doi.org/10.1145/800181.810283","url":null,"abstract":"The purpose of this panel session is to focus on the importance of human factors engineering considerations in the design of Design Automation environments, and to explore the applicability of human engineering techniques common to the mainstream of computer science to such environments.","PeriodicalId":447373,"journal":{"name":"ACM '75","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125964721","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
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