1. Introduction: Understanding Information Technology
Exploring the Digital Domain
Introduction: Understanding Information Technology

2. In this chapter . . . You will learn about
the importance of information for most enterprises
understanding the roles of information technology in shaping how we manage and preserve information
how digital information technology subsumes and merges other information technologies
how digital information technology affects our lives, our work, and our world

3. Electronic Government
Teoritical Perspective
Electronic Government

4. The Nature of Information
information implies
facts
knowledge
significance and meaning
Shannon and Weaver described information as
what is beyond chance prediction
it reduces our uncertainty about predicting states of the world

5. Information Technology
technologies are artificial instruments, processes or systems that extend our natural capabilities
e.g.s: the wheel, agriculture, electric light bulb
Information technologies extend natural forms of representing and communicating information to incorporate artificial and external forms
e.g.s: writing, the printing press, telephone

6. Digital Information Technology
employs digital methods for the representation, processing, and communication of information
represents a new breed of information technology
it has the capability to imitate, extend, and subsume other technologies

7. 3 Classes of Information Users
information consumers
individuals who need or benefit from information services for both work or leisure
information producers
vendors, distributors of information services
information workers
professions that depend on the analysis, assessment, and use of specific forms of information

8. Electronic Government
Technical Perspective

9. Defining Information What is Information?
Information is any knowledge that comes to our attention. That could be voice, image, text and video
What is data?
Data is information when dealing with the machine

10. What Counts as information

11. Methods for conveying information

12. Defining Information Technology
Information Technologies are systems of hardware and/or software that capture, process, exchange, store and/or present information using electrical, magnetic and/or electromagnetic energy.

13. IT Example: Cellular Telephony

14. IT Example: Wireless Internet

15. IT in Society (people) Personal Communication Entertainment
Conversations (phone, cell)
Messaging ( , SMS)
Video Coms
Entertainment
Web surfing
Downloading video and audio files
Interactive gaming
Day-to-Day living
Buying airline tecket
Ordering books
Electronic banking/ stock market

16. IT in Society (business)
Internal Communication
Computer network
Corporate website
Video teleconferencing
Messaging (SMS, )
Electronic Commerce
Call Centres
Electronic transactions
Online sales
Business operations
Factory operation systems
Databases

17. Examples on IT Careers Information Security Jobs
Address information security
IT Analyst
Translate business requirement into technical specification
Network Administration
Configure and operate computer network
Management Consulting
Provide consulting for government and organizations
Database Administration
Managing corporate database
Computer Forensics Expert
Extracts computer evidence for detecting/preventing /prosecuting crimes
IT Sales:
people on frontline to sell products
Software development:
develop software solutions