LO3 Know the features and function of Information Systems

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LO3

 Know the features and functions of information system

 3.1 Features of information systems

 3.1.1 Data
- Data is information stored in its raw form.The data will then be summarised to create information which will be then be used by the different organizations.

 3.1.2 People
- People are another key feature of information systems and need to understand how the system works to maximized the potential of the data stored in the information systems.

 3.1.3 Hardware
- Hardware used in information systems depends on the size of the organisations is small then all the management and storage of information will be done on one or two computers which are used by the management.

 3.1.4 Software
- Software is a key component of any system as it is what lets the end the user access the sytem to enter and find information.

 3.1.4 Telecommunications
- Telecommunications is an organisation used as information may be sent to others over an internal intranet connection.

 3.2 Functions of information systems

 3.2.1 Input
- The input of information that is stored, processed and then forms the basis of the output system.

 3.2.2 Storage
- Make a regular backup of the data, atleast one copy of the backup should be stored separately in case of disaster.

 3.2.3 Processing
- The process where data turned into information.

 3.2.4 Output
- Ouput can be displayed in either a graphical or textual format.

 3.2.5 Control and feedback loops
- The result of the use of the output informations.

 3.2.6 Closed and open systems
- Closed system user may have some choice over what they can report on but are limited to predefined output format.
- Open system is a great flexibility on what can be reported on and the format it is presented in

 3.3 Data into information

 3.3.1 Difference between data and information 
- Data is raw, unorganized facts that need to be processed
- Information is when data is processed, organized, structured or presented in a given context so as to make it useful

 References

 Features of information systems
Content Writer. (2013). Features of information systems. [online] Available at: http://www.contentedwriter.com/features-of-information-systems/ [Accessed 1 Aug. 2017].

 Features and functions of information systems
prezi.com. (2017). Features and functions of information systems. [online] Available at: https://prezi.com/xlfk2dojj1vd/features-and-functions-of-information-systems/ [Accessed 1 Aug. 2017].

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