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Manmohan Sharma, Lovely Professional University Unit 1: Information Systems

Unit 1: Information Systems Notes

CONTENTS
Objectives
Introduction

1.1 Information Systems: Meaning
1.2 Importance of Information Systems
1.3 Global Information Systems: Role of Internet and Web Services

1.4 Role of Internet and Web Service
1.5 Information System Security and Threats
1.6 Importance of Security Information Management
1.7 How Security Information Management Works?
1.8 Advantages of Information Management Security

1.9 Disadvantages of Information Management Security
1.10 Summary
1.11 Keywords

1.12 Review Questions
1.13 Further Readings

Objectives

After studying this unit, you will be able to:
 Understand meaning and importance of information systems

 Discuss Global Information Systems
 Recognize role of internet and web service
 Explain the concept of information system security & threats

Introduction

Information System is a particular discipline or branch of learning that is concerned with the
application of information to organizational needs. The scope of information system includes
manual, computer-based and other forms of automated procedures and applications of
information technology generally.
In order for organizations to use information technologies effectively, information systems
must be designed, developed, implemented and managed in ways that fit with the specific work
processes and organizational contexts. A thorough understanding of information systems
development and management concepts together with skills in desktop computing enables the
manager to develop end user systems and provide the business perspective to participate in the
creation and management of major information systems. Management Information System
(MIS) concepts also provide a foundation on which to base expertise in information systems for
specialized work processes such as marketing, accounting and international business.

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