6.3.2: be able to write programs that make appropriate use of variables and constants
| Keyword | Definition |
|---|---|
| assignment | setting the value of a variable |
| constant | named value which is set once but remains the same whilst the program runs |
| identifier | the name of a variable or constant |
| initialisation | setting the value of a variable or constant for the first time |
| naming convention | set of rules for choosing suitable variable or constant names |
| value | the data stored in a variable or constant |
| variable | named memory location which can store a value which can change as the program runs |