Types of Information system

Topic: - Types of Information system.

Q1 Different types of Information System?

a)     Transaction 0Processing System (TPS):-

Ø Process data resulting from business transaction

E.g.: - Process sales, purchases and inventory changes to update database.

Ø Produce customer’s statements, employee paychecks, sale receipt, tax forms, and financial statements.

b)    Decision Support System (DSS):-

Ø DSS provides solution to the unstructured Problem using technique & models.

Ø DSS is a specialize Management Information System designed to support an executive’s skill at all stages of decision making.

c)     Executive Information System (EIS):-

Ø To provides the information to top executives.

Ø Sources are letters, memo, reports and meetings.

Ø Graphics display is used frequently.

Ø EIS provide information about the current status and projected trends.

d)    Management Information System (MIS):-

Ø Provides day to day decision making needs of managers.

Ø Provides a variety of reports.

Ø It retrieves information about internal operations from databases that have been updated by transaction processing system.