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What is an information system?
Karten in diesem Stapel (10)
- 1What is data?Data is raw facts and figures
- 2What is information?The meaning that we attach to data
- 3Give 2 examples of computerized information systemsDVLA
Sims - 4What are the advantages of a computerized information system?A single computer can store all the information
Multiple access at the same time
Information is not duplicated
Information can be transferred easily - 5What are the disadvantages of a computerized information system?If the computer is not working information can not be added, processed or accessed.
Users have to be trained.
The computer system must be secure. - 6Give an example of a manual information systemTelephone directory
- 7Give one advantage of a manual information systemWith only one piece of information, you can find the missing pieces within the manual information system
- 8Give a disadvantage of a manual information systemIf there is duplicate, it is hard to differentiate between the information (e.g. if someone has the same surname)
- 9Name the three stages of doing tasksInput (of data)
Process(ing of data)
Output (of information) - 10Draw the IPO diagram to show how information systems work
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