Answer:
Different business or firm tend to enforce different Information Systems based completely on their main business operations, in order to best leverage data as an organizations asset. Some of these Information System are as follow:
a) Transaction Processing System (TPS):
A small organization tends to process transactions that might result from day-to-day activities, such as purchase orders, creation of paychecks and thus require using TPS.
b) Management Information System(MIS):
Managers and owners of small organizations tend to incline towards industry-specific MIS, in order to get historical and current operational data, such as inventories data and sales.
c) Decision Support System (DSS):
A DSS to allow managers and owners of small organizations to use predefined report in order to support problem-resolution decisions and operations planning.