| A | B |
| SYSTEM MEMORY | PLACE WHERE THE COMPUTER HOLDS CURRENT AND DATA THAT ARE IN USE |
| PRIMARY CACHE | FASTEST FORM OF STORAGE |
| (RAM) RANDOM ACCESS MEMORY | MAIN MEMORY/PRINCIPAL LEVEL OF SYSTEM MEMORY |
| DRAM | RESPOND TO INPUT SIGNALS |
| PC'S ADAPTABILITY | ABILITY TO ENVOLVE DIFFERENT INTERFACES ALLOWING THE CONNECTION OF MANY DIFFERENT CLASSES OF ADD-ON COMPONENT AND PERIPHERAL DEVICES |
| PnP HARDWARE | SYSTEM THAT ENABLES THE PC TO ADJUST AUTOMATICALLY TO NEW CARDS |
| HARD DISK | BULK STORAGE MEDIUM/REPOSITORY FOR A USER'S DOCUMENT |
| (HARD DISK) HEADS FUNCTION | TO TOUCHTHE PLATTERSWHEN THE DISK STOPS SPINNING |
| FORMATTED DISK | THE NEEDS OF GUIDANCE MARKINGS, HELPS THE READ/WRITE HEAD FIND POSITIONS ON THE DISK |