BS 4058:1987 BRITISH STANDARD ISO 5807-1985 Specification for Data processing flow chart symbols, rules and conventions [ISO title: Information processing Documentation symbols and conventions for data, program and system flowcharts, program network charts and system resources charts UDC [681.3 + 65.015.13]:003.62 BSi BS 4058:1987 Committees responsible for this British Standard BSI The preparation of this British Standard was entrusted by the Information Systems Technology Standards Committee (IST/-) to Technical Committee IST/15, upon which the following bodies were represented: Association of Computer Units in Colleges of Higher Education (ACUCHE) British Computer Society Ltd. British Telecommunications plc Business Equipment Trade Association Computing Services Association Department of Trade and Industry (National Physical Laboratory) Electricity Supply Industry in England and Wales Electronic Engineering Association HM Treasury (Central Computer and Telecommunications Agency) Institute of Data Processing Management Institute of Scientific and Technical Communicators Institution of Electrical Engineers LAMSAC Ministry of Defence National Computing Centre Ltd. This British Standard, having heffieldun been prepared under the direction of the Information Systems Technology Standards Committee, was published under the authority of the Board of BSI and comes into effect on Copy: 29 May 1987 CBSI 01-1999 Amendments issued since publication Licensed First published April 1973 Amd. No. Comments Date of issue First revision May 1987 The following BSI reference relate to the work on the standards: Committee reference IST/15 Draft for comment 85/64998 DC ISBN 0 580 15271 5 BS 4058:1987 Contents Page Committees responsible BSI Inside front cover National foreword i 0 Introduction 1 Scope and field of application 1 1 2 Reference 1 3 Definitions 1 4 Data flowchart 2 Program flowchart 2 5 System flowchart 2 6 7 Program network chart 2 8 System resources chart 2 Symbols 3 9 Conventions 11 10 11 Consolidated table of symbols 17 21 Annex A Example of data flowchart Annex B Examples of program flowchart 22 Annex C Example of system flowchart 24 Annex D Example of program network chart 25 25 Annex E Example of system resources chart 26 National appendix A Additional symbols Publications referred to Inside back cover CBSI 01-1999 1