| A | B |
|---|
| System Bus | Internal data bus |
| Registers | Work areas inside the CPU |
| Low-Order Bits | Bits sent to CPU that represents data to calculated |
| High-Order Bits | Bits sent to the CPU that represent instructions |
| Instruction Set | Determines what math instructions the CPU can understand |
| System Crystal | Sets cadence for data flow in and out of system |
| RTC | Clock/calendar chip that keeps track of current date/time |
| Internal Speed | Number of internal clock cycles/second |
| Overclocking | Setting the CPU to run at higher speed than rated |
| Underclocking | Setting CPU to run at slower speed than rated |
| Clock Multiplying | Executes 2 or more instructions /clock tick |
| Core Voltage | Power voltage CPU requires to operate |
| Active Heatsink | heat sink with a fan |
| Passive Heatsink | heat sink without a fan |
| Celeron | Low end Pentitum II or III chip |
| Fastest component in system | CPU |
| Machine Language | Language understood by the CPU |
| Virtual Memory | Uses part of hard disk to simulate RAM |
| Flip Chip | Style of SECC2 packaging |
| L1 | Front-side cache |
| L2 | Back-side cache |
| COAST | Cache on a Stick |
| Floating Point Unit | math co-processor |
