| A | B |
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| bus | A parallel collection of conductors that carry data or controls signals from one unit to another. |
| data bus | an internal pathway across which data is transferred to and from the processor or from memory |
| address bus | the unique location # of a particular memory storage area, such as a byte of primary memory |
| pc bus | the bus architectures used in the fist IBM pcs, originally and 8 bits bus expanded to a 16 bit bus. |
| isa | the 8 and 16 bit original connectors used in pcs. they run at a bus speed of 8MHZ, you can plug an ISA expansion card into an ISa slot. |
| eisa | 16 bit ISA was extended to 32 bit and they called it EISA |
| pci | a high performance 32/64 bits bus. |
| plug and play | a standard that was supposed to make adding periphals to your system as easy as plugging them in and using them. |
| bandwidth | a measure, in some amount of bits per second, of the amount of data that can be sent over a particular cable, interface, or bus. |
| bus master | any class of microprocessor unit with the ability to take control of the system buses of a computer |
| bus speeed | a measurement, usually in MHZ, of how many times data can be transferrred over the bus per second. |
| expansion slots | refers to any type of slot in a computer that you can plud an expansion card in to generally, its limited to ISA EISA PCI PCMIA . |
| legacy | describes older computer software, hardware, and system |
| firewire | a high speed serial bus allows for connection up to 63 devices for digital video. |
