computer system
by siti balqis

1. Information
1.1. conveys meaning and useful to people/data that has been processed.
2. Data
2.1. a collection of unprocessed items
2.1.1. text
2.1.2. numbers
2.1.3. images
3. components of computer systems
3.1. hardware
3.1.1. input devices
3.1.2. system unit,CPU
3.1.3. output devices
3.1.4. storage devices
3.2. software
3.2.1. system software
3.2.2. application software