All data must be input, processed, and then output and/or stored in what is known as the Information Processing Cycle. This process is best illustrated in a diagram with arrows representing the flow of data and information.
In this post:
Required knowledge:
1. Definition
In a computer, data & information flow:
- from Input to Processing
- from Processing to Storage and back
- from Processing to Output.
2. Answering questions
For example, if a question requires you to explain what a mouse is:
- Start by describing its place in the categorization diagram (see the post Making friends with ICT & CAT Theory) and list the obvious facts: a mouse is a hardware device used for input,
- and continue by describing in terms of the second diagram how the input from the mouse, such as a right-click, is processed and the result is output on the screen as a right-click menu.