| A | B |
|---|
| Central Processing Unit | CPU |
| CPU | Internal operating unit or "brain" of the computer |
| Tab | Moves the insertion point to a preset position |
| Caps Lock | Used to make all capital letters |
| Shift | Makes capital letters and symbols shown at tops of number keys |
| Ctrl | With other keys, executes shortcut commands |
| Keyboard | An arrangement of letter, figure, symbol, control, function, and editing keys and sometimes and numeric keypad |
| Monitor | Displays text and graphics on a screen |
| Mouse | A point-and-click input device |
| Esc (Escape) | Closes a software menu and some dialog boxes |
| Alphanumeric keys | Main part of the keyboarding including letters, numbers, and symbols |
| Numeric keys | Located at the right of the keyboard and used to enter numeric data and mathematic operators |
| Space bar | Inserts a space in text |
| Enter (Return) | Moves the insertion point (cursor) to the beginning of the next line |
| Delete | Removes text to the right of insertion point |
| Num Lock | Activates/deactivates numeric keypad |
| Insert | Toggles between insert and typeover modes |
| Typeover (OVR) | Mode in which any character typed will replace any character at the cursor |
| Software | Set of step-by-step instructions for the computer to follow |
| Hardware | The physical computer machine and its peripherals |
| Peripherals | Additional hardware attached to the computer like a printer, external storage, or scanner |
| Input devices | Mouse, keyboard, scanner |
| Output devices | Monitor, printer, speaker |
| Storage devices | Hard drive, USB drive, CD/DVD |
| Operating Software | Program that manages other programs on the computer (Windows XP, for example) |
| Application Software | Programs designed to perform a specific type of task (Microsoft Word, for example) |
| Icons | Picture symbols representing programs and documents |
| Desktop | The main work area displayed when all programs are closed or minimized |
| Taskbar | Displayed at the bottom of the monitor to show which programs are open |
| Title Bar | Top of a program's window displaying name of program running |
| Insertion Point | Flashing line that indicates where the next character typed will be placed |
| Folder | A way to organize files saved on a computer |
