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information management (other classifications of information systems…
information management
managing information to sustain a competitive advantage
competitive advantage
the ability to provide greater value to customers than ones competitors
the three questions in order to sustain a competitive advantage.
does the information technology create value for the organisation
is the information tech the same or different across different organisations
is it dificalt for another organisation to creat or aquire the IT
the basic functioning of an information system
definitions of an information system
data (raw, analysed and facts from which information is drawn/0
management information (information that is timely, accurate and relevant to a particular situation)
information system (people, procedures and other resources that collect, transform and disseminate information in an organization).
basic components of an information system
receives data and input
process data by organizing and analyzing information
information should enable management to make decisions
information should must be stored
IS provides feedback on its activities in order to determine whether the system meets established performance standards.
resources
hardware
software
human
specialists
end users
characteristics and cost of useful information
characteristics
quality (accuracy)
relevance
quality (sufficiency)
timeliness
cost
acquisition cost
processing cost
storage cost
retrieval costs
communication costs
classifications of information systems
operation IS
transaction processing
process control systems
office-automation systems
management information systems
operation level
tactical level
strategic level
types of information systems
information reporting systems (used by lower)
decision support systems (used by middle management)
executive information systems (used by top management)
other classifications of information systems
expert systems
business function IS
the internet
the extranet
the intranet
electronic commerce
B2c / B2B / C2C
systems investigation
system analysis
tbc