ICT Systems & Components

What is ICT?
1. Information Communication Technology
2. Use of technology for the input, storage, processing of data and the output of information
what is a System?
1. A system involves
  1. Input
    1. Data is entered via an input device
      1. Mouse
      2. Keyboard
      3. Microphone
  2. Process
    1. Calculation, queries and other operations are preformed on the data in the processing stage to produce information
  3. Output
    1. The results of the processing are sent to an output device
      1. Monitor
      2. Printer
2. A way of doing something
3. Consists of
  1. Data
  2. Information
  3. Software
  4. Hardware
4. Examples
  1. Payroll System
    1. INPUT: hours worked
    2. PROCESS: Calculating Pay by multiplying hours worked by the rate
    3. OUTPUT: Wage Slip
  2. Stock Control System
  3. Order Processing System
Components of ICT System
1. People
  1. Needed to supply data to the ICT System
2. Data
  1. Raw material of any ICT system
3. Procedures
  1. Determine what needs to be done and when
4. Software
  1. Computer Programs
5. Hardware
  1. Physical components of the ICT System
6. OUTPUT: Information
  1. The results after the processed data

Zusammenfassung der Ressource

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