Thursday, 9 April 2015

Ch I: The Modern Organization Function In a Global Environment.

What is information system

An Information System (IS) is a system composed of people and computers that processes or interprets information.The term is also sometimes used in more restricted senses to refer to only the software used to run a computerized database or to refer to only a computer system.

 Different between IT and IS


IT:( Information technology) is  all form of tool used to create, store exchange and use  information.

IS :(Information Systems) is combination of technology ,people and process that organization uses to produce and manage information. 

 Functions of management information system


  •  manage data center
  • providing technical services
  • training and developing Is skills
  • create business alliances 

 Computer based information system

 CBIS: are information systems that use computer technology to perform some or all of their intended tasks.
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.

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Computer based information system



  • Hardware is a device such as a processor, monitor, keyboard or printer


  • Software is a program or collection of programs that enable hardware to process data.


  • Database is a collection of related files or tables containing data.


  • Network is a connecting system (wire-line or wireless) that permits different computers to share resources.




  • Procedures are the set of instructions about how to combine the above components in order to process information and generate the desired output.

Image result for Procedures


  • People are those individuals who use the hardware and software, interface with it, or uses its output.
 Hardware,Software,Database and Network are IT components(platform)
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Capabilities of IS

  • Fast
  • Communication
  • Accurate
  • Inexpensive
  • Effectiveness
  • Efficiency

 Types of IS

  • Functional area information systems (FAIS)

  • Enterprise resource planning (ERP) systems

  • Transaction processing systems (TPS)







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