| A | B |
|---|
| Bus | carrys signals from one unit to another |
| Data bus | links cpu to memory |
| adress bus | cpu data to other partsof the computer |
| PC bus | bus used in first IBM 8-16 bit |
| ISA | 8-16 bit |
| EISA | exstended ISA 32 bit |
| PCI | Peripheral system interconnect 32-64 bit |
| Plug and Play (PnP) | Standard that allows system to reconize hardware at boot |
| Bandwidth | measure the speed of a bus in bPS |
| bus master | a CPU that takes control of systemsbus |
| Bus speed | Mhz how many times data transferred per second |
| Exspansion slot | A slot that a 'card' can go into |
| Legacy | software that hardware is desighned for |
| Firewire (IEEE 1394) | very fast external bus up to 400 mb per second |
| adapter | a device that allows one system to connect to and work with another |
| interupt | a signal that gets the attention of cpu usually generated when I/O is required |
| Dma | Direct memory access tranfers data from adapters to memory without using cpu |
| I/O adress | hexidecimal numder used to identify a card |
| Jumper | a small plug placed over pins or removed to configure hardware settings |
| AGP | accelerated graphics port for video cards supports 3D |
