| A | B |
|---|
| variables | memory locations where data can be stored |
| variable data | can be processed 10 to 20 times faster than data stored in the property of an object |
| byte | stores binary numbers |
| Boolean | stores logical values |
| currency | stores numbers with up to 15 digits to the left of the decimal and 4 digits to the right of the decimal |
| double | stores floating-point numbers |
| long | stores integers |
| string | stores text information |
| variant | stores any of the other data types |
| floating-point number | a number expressed as a multiple of some power of 10 |
| dbl | three-character id for double |
| lng | three-character id for long |
| sng | three-character id for single |
| vnt | three-character id for variant |
| 255 characters | limit on the lenght of a variable name |
| reserved word | cannot be used as a variable name because it has special meaning in Visual Basic |
| Dim statement | used to declare a local variable |
| Public statement | used to declare a global variable |
| initializing | giving a variable a beginning value |
| literal constant | an item of data whose value does not change while the program is running |
| symbolic constants | memory locations whose contents cannot be changed while the program is running |
| scope | indicates which procedures in the application can use the variable |
| local variable | its use is limited to only the procedure in which it is declared |
| form-level variable | remains in memory until the application ends |
| global variable | are used in applications containing multiple forms and remain in memory until the application ends |
| Option Explicit | used to prevent you from using undeclared variables in your code |
| code module | a separate file added to your application that contains code |
| Const | a statement in Visual Basic used to create a symbolic constant |
