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Manpreet Kaur, Lovely Professional University Unit 5: Business Hardware Software and IT Infrastructure

Unit 5: Business Hardware Software and Notes
IT Infrastructure

CONTENTS
Objectives
Introduction
5.1 IT Infrastructure
5.2 Evolution of IT Infrastructure
5.2.1 Electronic Accounting Machine Era: 1930–1950
5.2.2 General-Purpose Mainframe and Minicomputer Era: 1959 to Present
5.2.3 Personal Computer Era (1981 to Present)
5.2.4 Client/Server Era (1983 to Present)
5.2.5 Enterprise Internet Computing Era (1992 to Present)
5.3 Moore’s Law
5.3.1 Moore’s Law and Micro-processing Power
5.4 Law of Mass Digital Storage
5.5 IT Infrastructure Components
5.5.1 Other Infrastructure Components
5.6 Current Trends in Hardware Platforms
5.6.1 Interactive Multimedia
5.6.2 Smart Cards and Microminiaturization
5.6.3 The Network Structure
5.6.4 Information Technology on the Emergence of Networks
5.6.5 The Role of IOS within the Network Structure
5.7 Enterprise Software
5.7.1 Types of Enterprise Software
5.8 Groupware
5.8.1 Conversations
5.8.2 Transactions
5.8.3 Collaborations
5.9 Summary
5.10 Keywords
5.11 Review Questions
5.12 Further Readings

Objectives

After studying this unit, you will be able to:
 Study evolution of IT Infrastructure
 Understand Moore’s law and law of mass digital storage
 Recognize IT Infrastructure components
 Discuss current trends in hardware platforms
 Discuss enterprise software and groupware

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