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Chapter 14

Information systems at different

business levels

A management information system (MIS) converts internal and external
data into useful information which is then communicated to managers at
all levels/functions to enable them to make timely and effective
decisions for planning, directing and controlling activities.

Key types of MIS

Executive information Decision support Expert system

system (EIS) system (DSS)
 Hold specialist
 For senior  Aids management knowledge, e.g.
executives decisions law, taxation

 User friendly  System predicts  Non-experts can

internal and possible utilise for advice
external consequences of and assistance in

information possible scenarios decision making

 Option to ‘drill’  Managers then use
down to obtain judgement to make
detail decisions

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