Information Systems and Databases Flashcards
Information systems involve
Organisation of data into information
Analysing of information to give knowledge
Decision Support System
Assist with decision making by providing information, models and analysis tools
Management Information System
Manages information used in an organisation and provides this information to the managers of the organisation
Data Redundancy
Unnecessary or duplicate data in a database which can lead to a variety of issues, such as data integrity and wasted storage.
Hypermedia
Display objects which link to new information
Metadata
Data which describes/contains information about other data
Privacy Principle
Commonwealth Privacy Act 1988
Quality of data
How reliable, relevant and in depth the data is in relation to its topic
Data Verification
Ensuring the user types in what he or she intends, by comparing with trusted sources
Data Accuracy
Describes how free of errors the data is
Data Validation
Checks for errors during data entry through the format
Reliability of Data Sources
Accurate, current and relevant
