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Typology of Programming Languages E Early Languages E
Typology of programming languages e Early Languages E Typology of programming languages Early Languages 1 / 71 The Tower of Babel Typology of programming languages Early Languages 2 / 71 Table of Contents 1 Fortran 2 ALGOL 3 COBOL 4 The second wave 5 The finale Typology of programming languages Early Languages 3 / 71 IBM Mathematical Formula Translator system Fortran I, 1954-1956, IBM 704, a team led by John Backus. Typology of programming languages Early Languages 4 / 71 IBM 704 (1956) Typology of programming languages Early Languages 5 / 71 IBM Mathematical Formula Translator system The main goal is user satisfaction (economical interest) rather than academic. Compiled language. a single data structure : arrays comments arithmetics expressions DO loops subprograms and functions I/O machine independence Typology of programming languages Early Languages 6 / 71 FORTRAN’s success Because: programmers productivity easy to learn by IBM the audience was mainly scientific simplifications (e.g., I/O) Typology of programming languages Early Languages 7 / 71 FORTRAN I C FIND THE MEAN OF N NUMBERS AND THE NUMBER OF C VALUES GREATER THAN IT DIMENSION A(99) REAL MEAN READ(1,5)N 5 FORMAT(I2) READ(1,10)(A(I),I=1,N) 10 FORMAT(6F10.5) SUM=0.0 DO 15 I=1,N 15 SUM=SUM+A(I) MEAN=SUM/FLOAT(N) NUMBER=0 DO 20 I=1,N IF (A(I) .LE. MEAN) GOTO 20 NUMBER=NUMBER+1 20 CONTINUE WRITE (2,25) MEAN,NUMBER 25 FORMAT(11H MEAN = ,F10.5,5X,21H NUMBER SUP = ,I5) STOP TypologyEND of programming languages Early Languages 8 / 71 Fortran on Cards Typology of programming languages Early Languages 9 / 71 Fortrans Typology of programming languages Early Languages 10 / 71 Table of Contents 1 Fortran 2 ALGOL 3 COBOL 4 The second wave 5 The finale Typology of programming languages Early Languages 11 / 71 ALGOL, Demon Star, Beta Persei, 26 Persei Typology of programming languages Early Languages 12 / 71 ALGOL 58 Originally, IAL, International Algebraic Language. -
Simulation Higher Order Language Requirements Study
DOCUMENT RESDEE ED .162 661 IB 066 666 AUTHOR Goodenough, John B.; Eraun, Christine I. TITLE Simulation Higher Order ,Language Reguiresents Study. INSTITUTION' SofTech, Inc., Waltham, Mass. SPONS'AGENCY Air Force Human Resources Lab., Broca_APE,' Texas. REPORT NO AFHPI-TE-78-34 PUB DATE ,Aug 78 NOTE 229.; Not available in hard' copy due to iarginal legibility of parts of document AVAILABLE FROM'Superintendent of Docusents, U.S. Government Printing' Office, Washington, L.C. 20402 (1978-771-122/53) EDRS PRICE MF-$0.83 Plus Postage. EC Not Availatle from EDRS. DESCRIPTORS *Comparative Analysis; Computer Assisted Instruction; *Computer Programs; Evaluation Criteria; Military Training; *Needs Assessment; *Prograaing Iangbaqes; *Simulation IDENTIFIERS FORTRAN; IRCNMAN; JOVIAL; PASCAL ABSTRACT The definitions provided for high order language (HOL) requirements for programming flight/ training simulators are based on the analysis of programs written fcr.a variety of simulators. Examples drawn from these programs are used to justify' the need for certain HOL capabilities. A description of the general 'K..structure and organization of the TRONEAN requirements for the DOI) Common Language effort IS followed-tyditailed specifications of simulator HOL requirements., pvi, FORTRAN, JCVIAI J3E, JCVIAL.J73I, and PASCAL are analyzed to see how well" each language satisfies the simulator HOL requirements. Results indicate that PL/I and JOVIAL J3D are the best suited for simulator programming, chile TOBIRANis clearly the least suitable language. All the larguages failed to satisfy some simulator requirements and improvement modificationsare specified Analysis of recommended modifications shows:that PL/I is the m st easily modified language. (CMV) *********************************************************************** Reproductions suppliid by EDRS are the best that can be made from the original dccumett. -
An Interview with Tony Hoare ACM 1980 A.M. Turing Award Recipient
1 An Interview with 2 Tony Hoare 3 ACM 1980 A.M. Turing Award Recipient 4 (Interviewer: Cliff Jones, Newcastle University) 5 At Tony’s home in Cambridge 6 November 24, 2015 7 8 9 10 CJ = Cliff Jones (Interviewer) 11 12 TH = Tony Hoare, 1980 A.M. Turing Award Recipient 13 14 CJ: This is a video interview of Tony Hoare for the ACM Turing Award Winners project. 15 Tony received the award in 1980. My name is Cliff Jones and my aim is to suggest 16 an order that might help the audience understand Tony’s long, varied, and influential 17 career. The date today is November 24th, 2015, and we’re sitting in Tony and Jill’s 18 house in Cambridge, UK. 19 20 Tony, I wonder if we could just start by clarifying your name. Initials ‘C. A. R.’, but 21 always ‘Tony’. 22 23 TH: My original name with which I was baptised was Charles Antony Richard Hoare. 24 And originally my parents called me ‘Charles Antony’, but they abbreviated that 25 quite quickly to ‘Antony’. My family always called me ‘Antony’, but when I went to 26 school, I think I moved informally to ‘Tony’. And I didn’t move officially to ‘Tony’ 27 until I retired and I thought ‘Sir Tony’ would sound better than ‘Sir Antony’. 28 29 CJ: Right. If you agree, I’d like to structure the discussion around the year 1980 when 30 you got the Turing Award. I think it would be useful for the audience to understand 31 just how much you’ve done since that award. -
Concepts of Programming Languages, Eleventh Edition, Global Edition
GLOBAL EDITION Concepts of Programming Languages ELEVENTH EDITION Robert W. Sebesta digital resources for students Your new textbook provides 12-month access to digital resources that may include VideoNotes (step-by-step video tutorials on programming concepts), source code, web chapters, quizzes, and more. Refer to the preface in the textbook for a detailed list of resources. Follow the instructions below to register for the Companion Website for Robert Sebesta’s Concepts of Programming Languages, Eleventh Edition, Global Edition. 1. Go to www.pearsonglobaleditions.com/Sebesta 2. Click Companion Website 3. Click Register and follow the on-screen instructions to create a login name and password Use a coin to scratch off the coating and reveal your access code. Do not use a sharp knife or other sharp object as it may damage the code. Use the login name and password you created during registration to start using the digital resources that accompany your textbook. IMPORTANT: This access code can only be used once. This subscription is valid for 12 months upon activation and is not transferable. If the access code has already been revealed it may no longer be valid. For technical support go to http://247pearsoned.custhelp.com This page intentionally left blank CONCEPTS OF PROGRAMMING LANGUAGES ELEVENTH EDITION GLOBAL EDITION This page intentionally left blank CONCEPTS OF PROGRAMMING LANGUAGES ELEVENTH EDITION GLOBAL EDITION ROBERT W. SEBESTA University of Colorado at Colorado Springs Global Edition contributions by Soumen Mukherjee RCC Institute -
THE DEVELOPMENT of JOVIAL Jules L Schwartz Computer
THE DEVELOPMENT OF JOVIAL Jules L Schwartz Computer Sciences Corp. 1. THE BACKGROUND One of the significant things that got the JOVIAL lan- guage and compiler work started was an article on 1.1 The Environmental and Personnel Setting Expression Analysis that appeared in the 1958 ACM Communications (Wolpe 1958). The fact that this was The time was late 1958. Computers that those who were actually quite a revelation to us at that time seems involved with the first JOVIAL project had been using interesting now. Since that day, of course, there have included the JOHNNIAC (built at Rand Corporation), the been many developments in the parsing of mathematical IBM AN/FSQ-7 (for SAGE), 701, and 704. A few had and logical expressions. However, that article was the worked with board wired calculators. Some had never first exposure many of us had to the subject. Some of programmed. For those using IBM, the 709 was the us who had just finished work on some other projects current machine. There were various other manufactur- (including SAGE) began experimentation with the proc- ers at the time, some of whom do not exist today as essing of complex expressions to produce an interme- computer manufacturers. diate language utilizing the techniques described. There was no compiler language at the time in our plans, but The vacuum tube was still in vogue, Very large memo- the idea of being able to understand and parse complex ries, either high speed direct access or peripheral expressions in itself was of sufficient interest to moti- storage, didn't exist, except for magnetic tape and vate our efforts. -
Comparative Programming Languages CM20253
We have briefly covered many aspects of language design And there are many more factors we could talk about in making choices of language The End There are many languages out there, both general purpose and specialist And there are many more factors we could talk about in making choices of language The End There are many languages out there, both general purpose and specialist We have briefly covered many aspects of language design The End There are many languages out there, both general purpose and specialist We have briefly covered many aspects of language design And there are many more factors we could talk about in making choices of language Often a single project can use several languages, each suited to its part of the project And then the interopability of languages becomes important For example, can you easily join together code written in Java and C? The End Or languages And then the interopability of languages becomes important For example, can you easily join together code written in Java and C? The End Or languages Often a single project can use several languages, each suited to its part of the project For example, can you easily join together code written in Java and C? The End Or languages Often a single project can use several languages, each suited to its part of the project And then the interopability of languages becomes important The End Or languages Often a single project can use several languages, each suited to its part of the project And then the interopability of languages becomes important For example, can you easily -
PROGRAMMING LANGUAGES TENTH EDITION This Page Intentionally Left Blank CONCEPTS of PROGRAMMING LANGUAGES TENTH EDITION
CONCEPTS OF PROGRAMMING LANGUAGES TENTH EDITION This page intentionally left blank CONCEPTS OF PROGRAMMING LANGUAGES TENTH EDITION ROBERT W. SEBESTA University of Colorado at Colorado Springs Boston Columbus Indianapolis New York San Francisco Upper Saddle River Amsterdam Cape Town Dubai London Madrid Milan Munich Paris Montreal Toronto Delhi Mexico City Sao Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo Vice President and Editorial Director, ECS: Senior Production Project Manager: Marilyn Lloyd Marcia Horton Manufacturing Manager: Nick Sklitsis Editor in Chief: Michael Hirsch Operations Specialist: Lisa McDowell Executive Editor: Matt Goldstein Cover Designer: Anthony Gemmellaro Editorial Assistant: Chelsea Kharakozova Text Designer: Gillian Hall Vice President Marketing: Patrice Jones Cover Image: Mountain near Pisac, Peru; Marketing Manager: Yez Alayan Photo by author Marketing Coordinator: Kathryn Ferranti Media Editor: Dan Sandin Marketing Assistant: Emma Snider Full-Service Vendor: Laserwords Vice President and Director of Production: Project Management: Gillian Hall Vince O’Brien Printer/Binder: Courier Westford Managing Editor: Jeff Holcomb Cover Printer: Lehigh-Phoenix Color This book was composed in InDesign. Basal font is Janson Text. Display font is ITC Franklin Gothic. Copyright © 2012, 2010, 2008, 2006, 2004 by Pearson Education, Inc., publishing as Addison-Wesley. All rights reserved. Manufactured in the United States of America. This publication is protected by Copy- right, and permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. To obtain permission(s) to use material from this work, please submit a written request to Pearson Education, Inc., Permissions Department, One Lake Street, Upper Saddle River, New Jersey 07458, or you may fax your request to 201-236-3290. -
The History of the ALGOL Effort
Technische Universiteit Eindhoven Department of Mathematics and Computer Science The History of the ALGOL Effort by HT de Beer supervisors: C. Hemerik L.M.M. Royakkers Eindhoven, August 2006 Abstract This report studies the importancy of the ALGOL effort for computer science. Therefore the history of the ALGOL effort is told, starting with the compu- tational context of the 1950s when the ALGOL effort was initiated. Second, the development from IAL to ALGOL 60 and the role the BNF played in this development are discussed. Third, the translation of ALGOL 60 and the establishment of the scientific field of translator writing are treated. Finally, the period of ALGOL 60 maintenance and the subsequent period of creating a successor to ALGOL 60 are described. ii Preface This history on the ALGOL effort was written as a Master thesis in Com- puter Science and Engineering (Technische Informatica) at the Eindhoven University of Technology, the Netherlands. iii Contents Abstract ii Preface iii Contents iv 0 Introduction 1 0.0 On the sources used ........................ 2 0.1 My own perspective ........................ 3 0.2 The ALGOL effort: a definition .................. 4 0.3 Notes ................................ 4 1 Creation 5 1.0 The start of the ALGOL effort ................... 5 1.1 The need for a universal algorithmic language ........... 7 1.1.0 The American field of computing ............. 7 1.1.1 The European field of computing ............. 9 1.1.2 The difference between Europe and the USA and the need for universalism ...................... 11 1.2 Why was IAL chosen over other algorithmic languages? ..... 11 1.2.0 IT ............................ -