Computer-based information systems are used to collect and manipulate data into information that is useful to the person using the system. Most systems are assessed based on their efficiency vs. effectiveness or the extent that the system achieves its goals balance against the complexities of cost control and product development. There are various types of computer-based information systems that exist to satisfy user requirements. Its primary function is to collect, edit, correct, manipulate data, and to store information and produce reports. Batch systems are used to process large quantities of data where immediate results are not required.
Online systems provide responses to user input commands or queries.
They may or may not manipulate data immediately upon user command. Real-time systems are used to manipulate data at the actual time of the user commands. Management Information System Management Information Systems are used for decision-making and planning processes and can provide a competitive advantage for company. It is different from a MIS in that problem solving is at a higher level. A DSS supports specific users rather than entire company.