| A | B |
| Windows | Microsoft's operating system |
| Icon | a small picture that represents an application |
| Desktop | display screen that contains icons |
| Multi-tasking | Alternating between two or more open applications (Alt + Tab) |
| Paint | an application that allows you to draw pictures |
| Minimize | shrinks the window to a small size |
| Maximize | enlarges the window to its full size |
| Restore | returns the window to its previous size |
| Byte | one character (8 BITS) |
| kilobyte | one thousand characters |
| Megabyte | one million characters |
| Gigabyte | one billion characters |
| Access | to call up information from a computer |
| Filename | name assigned to a document |
| Double-click | technique used to open an application from with the mouse from an icon |