Students' guide to information technology / Roger Carter.

Format:

Book

Author/Creator:

Carter, Roger, 1939- author.

Series:

Heinemann Newnes informatics series.

Newnes informatics series

Language:

English

Subjects (All):

Information technology.

Physical Description:

1 online resource (266 p.)

Edition:

2nd ed.

Place of Publication:

Oxford, [England] : Newnes, 1995.

Language Note:

English

System Details:

text file

Summary:

Students' Guide to Information Technology

Contents:

Front Cover; Students' Guide to Information Technology; Copyright Page; Table of Contents; Preface; Chapter 1. The information revolution; Scenario; What is information?; Four kinds of information; Information processing; What is information technology?; IT devices; The IT revolution; The impact of the IT revolution; IT and employment; Chapter 2. Computers; Scenario; What is a computer?; Computer hardware; Microprocessors; How a microprocessor handles information; Binary numbers; Microprocessors and logic; Arithmetic and logic gates; Logic circuits; Microprocessors and computers

Neural networksDigital signal processors; Processing speeds; Computer memory; Types of computer; The evolution of the personal computer; Chapter 3. Computer peripherals and applications; Scenario; Using a computer; Input devices; Storage devices; Output devices: monitors; Output devices: printers; The benefits of computers; The uses of computers; Chapter 4. Computer software; Scenario; The importance of software; What is software?; How software works; Programming languages; Software reliability; Program specification; Declarative languages; Object-oriented languages; System software

Operating systemsHow the operating system organizes the disk; Operating system commands; Operating environments; Windows; Using Windows; Other environments for PCs; Utilities; Application software; Features of application packages; Chapter 5. Technical convergence; Scenario; Technological convergence; Analogue and digital information; Audio and video systems; Technological convergence in audio systems; Technological convergence in video systems; Multimedia; Interactive video; Compact discs; Compact disc for multimedia applications; Data compression; Virtual reality systems

Chapter 6. CommunicationsScenario; What do we mean by communications?; How do electromagnetic communications work?; Technological convergence and communications; Fibre optics; The telecommunications problem; Carrier waves and modulation; Multiplexing; Modems; Communications systems and networks; Inter-computer communications; Local area networks; Circuit-switched networks; Packet-switched networks; The Open Systems Interconnection (OSI) reference model; Broadcast networks; Telecommunications services; On-line databases and bulletin boards; Electronic data interchange

Chapter 7. Information systemsScenario; Introduction to information systems; The systems project life cycle; Systems analysis; The essential model; Reasons for using graphical modelling tools; The statement of purpose; The context diagram; The event list; Dataflow diagrams; The entity-relationship diagram; The data dictionary; Process specifications; Designing and implementing the system; Chapter 8. IT in the office; Scenario; Office automation; The benefits and implications of office automation; Office automation systems; Office automation and the paperless office; Database software

Spreadsheet software

Notes:

Includes index.

Description based on print version record.

ISBN:

1-4831-8383-1