| A | B |
|---|
| CPU | Central Processing Unit-brains of computer |
| Disk drives | read data from and write data to a disk |
| Monitor | displays text and graphics on a screen |
| Mouse | control movements of the pointer on the screen |
| keyboard | arrangement of letters, symbols and numbers used to input data |
| alphanumeric keys | letters, numbers and symbols |
| numeric keypad | keys at right side used to enter numeric copy and perform calculations |
| function keys (f keys) | used to execute commands sometimes with other keys |
| arrow keys | move the insertion point up, down,right or left |
| escape key | closes a software menu or dialog box |
| tab key | moves the insertion point to a preset position |
| caps lock | used to make all capital letters |
| left and right shift | makes capital letters or symbols shown at top of key |
| control/alternate keys | with other keys executes commands |
| backspace key | deletes text to the left of insertion point |
| space bar | inserts a space in text |
| enter key | moves insertion point down to next line |
| delete key | removes text to the right of insertion point |
| num lock key | activates/deactivates numeric keypad |
| insert key | activates insert or typeover |
