DEVELOPMENT OF INFORMATION SYSTEM

What are IS do?

IS exchange information.

IS easy to control information.

IS improve the product activity.

Function of CBIS:  - Support business operation, processing.

-          Support business decision making.

-          Support competitive advantage.

Type of IS

There are many types of IS. However, IS have 4 main types.

-          Transaction processing system (TPS).

-          Management information system (MIS).

-          Decision support system (DSS).

-          Execute support system (ESS)

-          Expert support system (ES).

-          Other is office support system, knowledge work system,..

Flow of information between MGT levels.

TRANSACTION PROCESSING SYSTEM (TPS)

1.       TPS is CB information system, that capture and process data, recording a business activity.

TPS is the first level of IS.

2.       Features of TPS:

TPS is the input pf business processing. One TPS for each department.

TPS used by operational personnel and supervisory level.

TPS are monitor, collect, store and process data generated fron business transaction.

TPS is the backbone of an organization.

3.       Component of TPS:

ü  People:  user of information system is the person belonging the organasation that owns the transaction.

               Participant are the people who conduct the information processing as they directly enter.

ü  Hardware.

ü  Software
4.  Transaction processing system function:

MANAGEMENT INFORMATION SYSTEM ( MIS)

1     MIS  is an intergrated collection of people, procudures, database and devices that provides managers and decision makers with information to help achieve organizational goals.

             MIS is collection of reports.

2.       Function of MIS:

Ø  To help organization achieve goals.

Ø  Provide right information to the right people at the right time and format.

Input of MIS is TPS ( data and information)

Output of MIS is reports include summary reports, demand reports, period reports.

3.       Features of MIS:

MIS used by middle managerial levels ( manager in department or super organizer.

MIS use internal data stored in computer systems

MIS produce several kinds of reports with fixed and standard formats.

MIS make/ support programmed ( structured) decision.
4. Scenario of MIS

DECISION SUPPORT SYSTEM ( DSS )

1.       DSS is An organized collection of people, procedures, software, database and devices used to support problem – specific decision making.

2.       Features of DSS

Input include internal ( from TPS) and external ( from costumer,..) used to support unstructured problem.

Maily for tactical managers.

Consist of 4 part: user, software, data and decision model ( operation, technical, data model).

EXECUTED SUPPORT SYSTEM (ESS)

1.       ESS designed to support higher level of DM in organization. They help executives and senior managers analyse the environment in which the organization operates, to identify long-term trends, and to plan appropriate courses of action and present summary information designed for top executives.

2.       Characterist of EIS

-          TPS + MIS + DSS

-          Gaindirect access information about company.

-          Used only at the most senior management levels.

-          Use internak and external data sources.

EXPERT SUPPORT SYSTEM (ES)

1.       OVERVIEW:

2.       CHARACTERIST OF ES:

OTHER INFORMATION SYSTEM