State the three main types of computer based informationsystems.

The three main types of computer based information system are as follows:-

DSS(Decision Support Systems)ESS(Executive Support Systems)MIS(Management Information Systems)

Explanation:

Decision Support Systems-this system is responsible for extracting the complete detailed information or data. It works in middle level  with flexibility.Executive Support Systems-this system presents the information in very summary like form for the user.It also helps in the making plan for the and oversee the working and works with top level.Management Information Systems-this system provides the information in short or summarized form. It provides the reports of the production to middle level.

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