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Data processing made simple /
Data Processing: Made Simple, Second Edition presents discussions of a number of trends and developments in the world of commercial data processing. The book covers the rapid growth of micro- and mini-computers for both home and office use; word processing and the 'automated office'; the a...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
London :
Heinemann,
1981.
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| Edición: | [Second edition]. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Data Processing: Made Simple; Copyright Page; Foreword; Foreword to Second Edition; Table of Contents; PART ONE: INTRODUCTION TO DATA PROCESSING; CHAPTER 1. MODERN DIGITAL COMPUTERS; The Basic Units of a Computer; Analogue versus Digital Computers; Scientific versus Commercial Computers; Manufacturers and Models; CHAPTER 2. FUNDAMENTAL COMPUTER CONCEPTS; Advantages and Disadvantages of Computers; CHAPTER 3. COMPUTERS IN THE COMMERCIAL ENVIRONMENT; Private, Public, and Civil Service Organisations; The Information Hierarchy; The Processing Loop.
- The Computer as an Aid to Information ProcessingCHAPTER 4. HISTORICAL PERSPECTIVE; The Nineteenth Century; Modern Pioneers; The Second Generation; The Third Generation; The Fourth Generation; REVISION QUESTIONS; PART TWO: COMPUTER HARDWARE AND SOFTWARE; CHAPTER 5. THE CENTRAL PROCESSOR UNIT; Magnetic Core Memory; Semiconductor Memories; Magnetic Bubble Memories; Memories of the Future; Binary Notation; Binary Coded Decimal and Hexadecimal; Zone Bits and Parity Bits; Words and Bytes; Characteristics of Memory; Representation of Instructions and Data in Memory; Environmental Controls.
- CHAPTER 6. FILE STORAGE DEVICESMagnetic Tape; Magnetic Tape Processing; Direct Access Devices; Direct Access Processing; CHAPTER 7. INPUT DEVICES; Punched Cards; Paper Tape; Magnetic Tape Encoding; Data Entry Systems; Mark Sensing; Optical Character Recognition; Magnetic Ink Character Recognition; Turnaround Documents; By-Product Input; Direct and Remote Data Entry; CHAPTER 8. OUTPUT DEVICES; High-Speed Impact Line Printers; Non-Impact Printers; Laser Printers; Graph Plotters; Data Transmission; Teleprinters; Visual Display Units; CHAPTER 9. MICROFILM; Examples of Applications.
- Advantages and Disadvantages of COMOn-Line versus Off-Line; The Technology of COM; Format of Microfilm; Film Processing and Duplication; Viewing and Reproduction; Graphics and Special Characters; Software; Indexing and Retrieval; Updating; Right-Justification; CHAPTER 10. PROGRAMMING LANGUAGES; Types of Instructions; Machine Language; Assembler Languages; Macros; High-Level Languages; CHAPTER 11. SOFTWARE; Application-Independent Software; Applications Packages; Miscellaneous Software; Generalised File Processors; Data Base Management Systems; Who Supplies Software?; Why Use Software?
- REVISION QUESTIONSPART THREE: DEVELOPING AND IMPLEMENTING A COMPUTER SYSTEM; CHAPTER 12. PLANNING; The System Development Process; Policy and Planning; CHAPTER 13. THE FEASIBILITY STUDY; The User Request; The Feasibility Study; CHAPTER 14. INFORMATION GATHERING AND ANALYSIS; Objectives and Scope of Information Gathering; Planning; Interviewing; Data and Problem Analysis; Problem Analysis; Required Output for Design; User Presentation and Authorisations; CHAPTER 15. SYSTEM DESIGN; System Design Methodology; Objectives; The Input Subsystem; The Computer Subsystem; The Output Subsystem.