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Week 5
INFORMATION SYSTEMS (session 1)
This week I learn about information systems,
this is the fourth week I study with miss Nisha, this lesson is very difficult
to understand, because combination of hardware, software and infrastructure, I
think this is more difficult one in this subject. But I tried asked to my
friends, because they are understand about this subject.
Information systems Is an application of
computer based Information Technology (combination of hardware, software,
infrastructure and trained personnel) used to facilitate planning, control,
coordination and decision making in an organization. Information systems have
some components, there are procedure, database, hardware, software,
telecommunication and people. Information systems have many types: Transaction
processing system (TPS), Decision support system (DSS), Expert support systems
(ESS), Management information system (MIS) and Office Automation system (OAS).
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