| A | B |
| Keyboard | An arrangement of letter, figure, symbol, control, function, and editing keys and a numeric keypad. |
| CPU (Central Processing Unit) | The internal operating unit or "brain" of a computer. |
| Disk Drive | A unit that reads and writes onto disks using magnetic impulses. |
| Monitor | A TV-like device used to display information on a screen. |
| Mouse | A device that is moved across a pad on the desk surface to control movements of an indicator on the screen. |
| Printer | A unit connected to a computer that prints copy on paper. |
| Function (F) Keys | Perform software functions when used alone or in combination with other keys. |
| Backspace | Deletes the character to the left of the cursor. |
| Enter (Return) | Causes the cursor to move to the left margin and down to the next line. |
| Delete | Deletes the character at the cursor. |
| Insert | Switches between insert mode and typeover mode. |
| Num Lock | Switches the numeric keypad between numeric entry and editing. |
| Numeric Keypad | A calculator-type keyboard used to enter all-number copy and perform calculations. |
| Arrow Keys | Moves the cursor in the direction indicated by the arrow on each key. |
| Control (Ctrl) | Performs a software function when depressed as another key is struck. |
| Shift Key | Makes capital letters and certain symbols when used with those keys. |
| Alternate (Alt) | Performs a software function when depressed immediately before or as another key is struck. |
| Space Bar | Inserts space between words and sentences. |
| Caps Lock | Capitalizes all letters when locked down. |
| Tab | Moves the cursor to a preset position. |