200711
Description
Flashcards by seamc003.303, updated more than 1 year ago
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Created by seamc003.303
about 11 years ago
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| Question | Answer |
| What is data? | Data is raw facts and figures |
| What is information? | The meaning that we attach to data |
| Give 2 examples of computerized information systems | DVLA Sims |
| What 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 |
| What 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. |
| Give an example of a manual information system | Telephone directory |
| Give one advantage of a manual information system | With only one piece of information, you can find the missing pieces within the manual information system |
| Give a disadvantage of a manual information system | If there is duplicate, it is hard to differentiate between the information (e.g. if someone has the same surname) |
| Name the three stages of doing tasks | Input (of data) Process(ing of data) Output (of information) |
| Draw the IPO diagram to show how information systems work |
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