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Unit 3 - Information Systems
Transcript of Unit 3 - Information Systems
What is information?
Quantitative Vs Qualitative Data
Primary Vs Secondary Data
Lecturer: Ben Holding
Brain, Book/Buddy, Boss
Data, information, knowledge
Knowledge: application of data and information; answers "how" questions.
What is information?
What is Data?
What is Knowledge?
Data is a collection of raw facts and/or figures that have not yet been processed, e.g. times, weights, measurements, sales.
Information is therefore data that has been manipulated so that some meaning can be derived from it, e.g. TV listing, bus timetable, top 40 singles download chart.
If the minimum age 17 and my birthday is 25th July 1994 then I am eligible for a drivers licence.
Raw data is not interpreted and usually unstructured.
What does the following data mean to you?
Answer – not a lot, there is no context
It involves understanding and ability to make use of the data and information to answer questions, solve problems, make decisions, and so on.
When I get a licence this will have a unique number e.g. 78700199
(Information is PROCESSED data)
State at least one purpose of business information
Identify information that would be needed to run a business
Explain how organisations use information
Draw a Information Flow Diagram
At the end of this session you should be able to:
State the difference between Qualitative and quantitative information.
State the difference between primary and secondary data
Identify one source of internal information for an organisation
Identify one source of external information for an organisation
Measurements e.g. length, height, area, volume, speed, weight, time, temperature, costs, age etc
Can not be measured in numbers
Describes people's knowledge, attitudes or behaviours
• Data that you have directly collected
e.g. Articles, journals, magazines and newspapers
Verbally told stories
Usually data that you haven’t directly collected.