Information Systems Overview

What are the four types of information systems that exist?

What is the main purpose of a transaction processing system?

What are the steps in processing a transaction?

What is data validation in transaction processing?

What are the two modes of data processing after validation?

What is the difference between online transaction processing and batch processing?

What are the two ways output can be communicated to the decision maker?

What is the purpose of management information systems?

What are structured and unstructured decisions in MIS?

What are intelligent support systems (ISS)?

• Systems that facilitate decision making using knowledge and expertise.

• Systems that only automate routine tasks.

• Systems that are only used by top management.

• Systems that do not require any data.