In this week we continuous to learn about type of Information system as in the week we learned about what is information system and its components.
Five Types of Information Systems. Information systems are constantly changing and evolving as technology continues to grow. Formation systems can generally be classified as follows:
1. Transaction Processing System (TPS)
Applications of information systems that process business transaction data. Its use at operational level and focuses on the data. An example is a computer application for typing.
2. Management Information System (MIS)

3. Decision Support System (DSS)
Applications of information systems that provide decision-oriented information and especially in situations where decision-making. At the executive level often called Executive Information System. For example a computer application to determine the purchase of drug stocks at the hospital, the determination of sugar distribution system and others.
4. Expert System (ES)
Information system designed to produce a decision by reproducing knowledge and expertise of the decision maker and problem solver and then simulate it. For example advanced applications of artificial neural networks, face recognition and so forth.
5. Office Automation System
Systems that support business activities on a large scale. Examples ERP applications for the company.