ICT Systems & Components

ICT Systems & Components

1. What is ICT?

   • Information Communication Technology
   • Use of technology for the input, storage, processing of data and the output of information

2. what is a System?

   • A system involves
     • Input
       • Data is entered via an input device
         • Mouse
         • Keyboard
         • Microphone
     • Process
       • Calculation, queries and other operations are preformed on the data in the processing stage to produce information
     • Output
       • The results of the processing are sent to an output device
         • Monitor
         • Printer
   • A way of doing something
   • Consists of
     • Data
     • Information
     • Software
     • Hardware
   • Examples
     • Payroll System
       • INPUT: hours worked
       • PROCESS: Calculating Pay by multiplying hours worked by the rate
       • OUTPUT: Wage Slip
     • Stock Control System
     • Order Processing System

3. Components of ICT System

   • People
     • Needed to supply data to the ICT System
   • Data
     • Raw material of any ICT system
   • Procedures
     • Determine what needs to be done and when
   • Software
     • Computer Programs
   • Hardware
     • Physical components of the ICT System
   • OUTPUT: Information
     • The results after the processed data