| A | B |
|---|
| Intel | Biggest and most popular maker of processors |
| AMD | Advanced Micro Devices |
| External data bus | outside processor, talks to other devices |
| Address bus | allows access to memory locations |
| MHz | Megahertz |
| AT | Al in a row |
| ATX | right angles |
| Integrated | cheaper in the beginning |
| Nonintegrated | more expensive in the beginning |
| Math coprocessor | increases speed of special math operations |
| SEC | Single edge cartridge |
| Clock speed | frequency with which processor executes instructions |
| Pentiums | Run hotter than 486 processors |
| PGA | Pin Grid Array |
| SPGA | Staggered Pin Grid Array |
| Red Line | Pin one |
| Ribbon cable with a twist | Floppy |
| Baby AT | smaller than original AT |
| Drive connected in front of twist | A drive |
| Drive connected in back of twist | B drive |
