Information systems (IS)

the study of complementary networks of hardware and software that people and organizations use to collect, filter, process, create, and distribute data.

Computer Information System

a field studying computers and algorithmic processes, including their principles, their software and hardware designs, their applications, and their impact on society while IS emphasizes functionality over design.

Information System

aims to support operations, management and decision making.

The Discipline of Information Systems

Several IS scholars have debated the nature and foundations of Information Systems which has its roots in other reference disciplines such as Computer Science, Engineering, Mathematics, Management Science, Cybernetics, and others.

Information systems development

Information technology departments in larger organizations tend to strongly influence information technology development, use, and application in the organizations, which may be a business or corporation.

Tuesday, 26 February 2013

Business Pressures, Organizational ,Responses, and IT Support

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Business Pressure

The business environment is the combination of social, legal, economic, physical, and political factors that affect business activities.
Significant changes in any of these factor are likely to create business pressure on the 
organization.

The three types of business pressures faced are: market, technology, and societal pressures.



The Global Economy and Strong Competition

Regional agreements
NAFTA – European Union
BRIC
Cost of labor
Outsourcing / off shoring 


Strategic Systems

increase market share and/or profits
better negotiate with suppliers
prevent competitors from entering their markets.

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Sunday, 24 February 2013

The Global Web-Based Platform

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Best represented by the Internet and the World Wide Web

Internet (Net) :

Large network that connects smaller networks globally
Launched in 1969
National computer network
US funded project called
 ARPANET  [Advanced Research Project Agency Network]
Being connected to the Internet is often described as being online

World Wide Web – the Web , WWW:

A multimedia Interface to resources available on the Internet
Introduced in 1992 at CERN  [Centre for European Nuclear Research] in Switzerland
Enables us to connect, compute, communicate, collaborate, and compete everywhere and anytime
Operates without regard to geography, time, distance, and language

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Tuesday, 19 February 2013

Information Systems: Concepts and Management

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 Business Process: a collection of related activities that produce a product  a service of value to the organization, its business partners, and/or its customers.
   One functional area
  Cross-functiona
 IS process data into information
  Get the right information to the right people at the right time in the right amount and in the right format

Data: elementary description of things, events, activities and transactions that are recorded, classified and stored but are not organized to convey any specific meaning.

Information: data that is organized and structured within a context, and provides meaning

Knowledge: information organized and processed to convey understanding, experience, accumulated learning and expertise as they apply to a current problem or activity.
  Know-what
  Know-how

Information Technology Infrastructure: The physical facilities, IT components, IT services and IT personnel that support an entire organization.
  


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