| A | B |
|---|
| Mouse | Pointing device used to manipulate screen icons |
| Cordless Mouse | Uses infrared/radio to communicate |
| Pointer | Shows screen movement when mouse is moved |
| Linked text | Reveals pop-up definitions and cross references |
| Click | Operation with a mouse button |
| Radio button | A menu item that activates exactly one command |
| Check box | Menu object with clickable options |
| Button | Screen/menu object that activates a command |
| Drop down list | Expanding menu which offers multiple options |
| Icon | Small graphical screen object which activates programs or commands |
| Dragging | Object movement on screen with a depressed mouse button |
| Dropping | Releasing a dragged object at a new location by releasing the mouse button |
| Typing keypad | Letters, numbers and punctuation |
| Function key array | Shortcut keys at the top of the keyboard, often programmable |
| Editing keypad | Keys which aid screen movement and screen modifcation |
| Numeric keypad | Contains number keys for high-speed data entry |
| Shift key | Activates uppercase letters and alternate key functions |
| Insertion point | Vertical bar showing where the next typed character will appear |
| Backspace key | Deletes the last character typed |
| Enter key | Moves the insertion point down to the next line |
| Control and Alternate keys | Modify the functions of other keys |
| Delete key | Removes the character to the right of the insertion point |
| Home key | Moves the insertion point to the left end of a line |
| End key | Moves insertion point to right end of the line |
| Page down key | Moves the down the page the length of one full screen |
| Page up key | Moves to the previous screen of text |
| Insert Mode | Keyboard status which types letters at the insertion point and moves all other characters to the right |
| Num Lock key | Toggles the numeric keypad between numbers and movement controls |
