Saturday 4 February 2012


WEEK 05


REFLECTION IN THIS WEEK



        This week I have learned a meaningful and useful that I can use it in my academic studies as what can you see in this page I have learned about the Information System as well as the types of Information System such as: Transaction Processing System, Decision Support System, Expert Support System, Management Information System, as well as Executive Support System. I have learned the difference of the types of Information System. 

INFORMATION SYSTEMS

FUNCTION OF INFORMATION SYSTEM


TYPES OF IS


TYPES OF IS

3 LEVELS OF INFORMATION SYSTEM



WHAT IS EIS?

FUNCTIONS OS EIS

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CHARACTERISTIC OF EIS    
  
 
“An executive support system helps managers make strategic decisions affecting the entire company. The decisions use internal and external data to give executives the information they need to determine the proper course of action in unstructured situations


DESICISON SUPPORT SYSTEM (DSS)

*An organized collection of people, procedures, software, databases and devices used to support problem-specific decision making.
* DSS is used when problem is complex.
*DSS are used to support unstructured or semi-structured problems that   require human judgment.
*Offer the potential to generate higher profits, lower costs and better products and services.
*DSS Often based on spreadsheet software

CHARACTERISTIC OF DSS

EXAMPLE OF DSS

 
“Decision-support systems are used for complex "what-if" questions that require internal and external data. Decisions at this management level are mostly semi structured so the information system must respond to the unique requirements of the executives”. 




TRANSACTION PROCESSING SYSTEM (TPS)    

*Information system that captures and processes data generated perform the activities associated with transaction processing, which include the following:

  • Recording a business activity such as a student’s registration, a customer’s order, an employee’s timecard or a client’s payment.
  • Confirming an action or triggering a response, such as printing a student’s schedule, sending a thank-you note to a customer, generating an employee’s paycheck or issuing a receipt to a client.
  • Maintaining data, which involves adding new data, changing existing data, or removing unwanted data. 

CHARACTERISTIC OF TPS


ROLES OF TPS  
 
“The transaction processing system records the data from everyday operations throughout every division or department in the organization. Each division or department is tied together through the TPS to provide useful information to management levels throughout the company”. 


MANAGEMENT INFORMATION SYSTEM: Overview 

* is an integrated collection of people, procedures, databases and devices that provides managers and decision makers with information to help achieve organizational goals.
* Role:
-provide the right information to the right person in the right format at the right time.
* Purpose:
 - to help an organization achieve its goal by proving managers with insight into the regular operations of the organization so that they can control, organize, and plan more effectively.

FUNCTION OF MIS
 
Functions of a MIS:
MIS are built on the data provided by the TPS



CHARACTERISTIC OF MIS


EXAMPLES OF MIS



ROLE OF MIS


EXAMPLE OF MIS  
 
MIS Example: Using Excel to transform a data table

  
EXPERT SUPPORT SYSTEM: Overview


PARTICIPANTS IN EXPERT SYSTEMS


CHARACTERISTIC OF EXPERT SYSTEM 






OTHER INFORMATION SYSTEM


OTHER IS:OVERVIEW

* Office Automation System:
Office Automation system collects, processes, stores and transmits data and information in the form of electronic office communication.
* End User Computing System:
End user computing systems support the direct, hands on use of computers by end users for operational and managerial applications.
* Business Information System:
Business information systems support the operational and managerial applications of the basic business functions of a firm.
* Strategic Information System:
Strategic information systems provide a firm which strategic products, services, and capabilities for competitive advantage.
* Enterprise Resource Planning:
Software systems for businesses management encompassing modules supporting functional areas such as sales and marketing, finance, production, distribution accounting, human resource management, maintenance, inventory management, project management, transportation and e-business etc.


INFROMATION SYSTEM: CHALLENGES


INFORMATION SYSTEM: OPPORTUNITIES  
 

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