LO3 know the features and functions system

features of information system 
divided onto 5:

1. data - raw information
- store in logical way such as email
- so you can use it in the future
- data is being summered to create information.

2. people- involve in capturing and exploiting the information
- specific people
- this people need to know who is interchange of capturing the information, in order to extract the information form it.

3. Hardware - equipment use to manage the software.
- MIS (Management Information System) may run the sales or finance director's PC.
- involve computer (small organization)
- involve server (large organization)

4. software - the simplest MIS can be built using standard software.
- can be expensive when it is buy separately
- program that is build inside the computer.

5. telecommunication - the internet
- to communicate with other people.
- in order to secure information need to have firewall to protect the in going data.



Function of information system 
1. input - data
- the system already know what to do with it (automatic)
- you are the one that control the output (manual)

2. storage - data is being stored
-to be used in the future or backup.

3. processed - data turn on to information

4. output - it is an outcome which can be this 2 format :
                a. graphical is everything visual(charts, diagram, pictures)
                b. textual - is information containing text (is best where it is important to analyze the detail                                     &to know exact value. )


  • control and feedback loops is once the 4 step is being done call as that. (from input to output)- purpose is to give feedback and decide. - function is so that that it will manage early (such as stock in before the items is finished (2 left))
  • closed system - output are fix, usually use graphical format e.g. population of mic 
  • open system  -how to presenting the output. you need to choice for the output such as can edit. 



data onto information 

  1. data - raw information (not yet being processed).
  2. information - processed information or the data that is being processed. 


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