- Computer are made of materials, such as metal and plastic, and require energy/electricity to operate
- Computers use only the numbers 0 and 1 to work out every problem, do every action and store all information
- The physical parts of computers are called hardware, this includes inputs and outputs
- Computers can also store data to be used later
- Computers can be connected to share data and other resources (internet)
- Code has three basic rules used to make many more complex ones: sequence, selection (if) and repetition (while)