computer system

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

4. computer system

4.1. a complete ,working computer

4.2. include operating system,software and hardware

4.3. necessary to make the computer function.

5. computer??

5.1. an electronic device

5.2. operating under the control of instructions stored in its own memory

5.3. accepts data ,processing data according to specific rules,produces results and store the results for future