Final Chapter 1 2
Terms
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- What is an information system
- a group of components that interact to produce information
- what are the five components of an IS
- hardware, software, data, people, procedures
- what is MIS
- management information systems, development and use of information systems
- how does is differ from it
- is= IT and people and procedures, IT is hardware, software, data
- moores law
- cost of data communications and storage is essentially zero
- the number of transitors double ever 18 months.
- .
- four non-rountine cognition
- abstract reasoning, systems thinking, collaboration, experimentation
- abstract reasoning
- the ability to make and manipulate models
- systems thinking
- the ability to model syste components and show how inputs and outputs relate to one another
- collaboration
- two or more ppl working together to create a goal
- experimenation
- create and test
- our role is IS security
- create safe passwords... that dont include our names, have upperlowercase letters and numbers, 7 or more characters
- what is a business process
- a network of activites, facilities, and info that interact to achieve some business function
- activites
- collection of related tasks that produces outputs for the inputs
- information
- knowledge derived from data
- resources
- people, facilities, programs assigned to a role
- how do information systems support business processes
- by implementing activies, serve as data repositories, control flow of data
- what is informatio
- knowledge derived from data
- characteristics of good information
- timely, accurate,just barely sufficent, relevant, worth its cost
- where is information in business processes
-
in repositories: collection of records
in unstructured process: quality of info used by ppl to interpret data