Bus:
internal bus: refers to the respective peripheral bus between the microcomputer chip and the internal processor
chip level
System Bus: a microcomputer bus plug-in version level between the respective plug-in board and the system board
like on
VGA (Video Graphics Array) cable, comprising a cable connected to the VGA interface, but generally refers to the VGA interface, also known as D-Sub connector.
Is an abbreviation PCI Peripheral Component Interconnect (Peripheral Component Interconnect), which is currently the most widely used personal computer interface, with such slots are almost all motherboards
The system bus address bus, a data bus is divided into a control bus
The data bus is used to transmit data of our example, we often say that the computer is a 32-bit or 64-bit bus width is that he is the 32-bit or 64-bit, i.e. bit BIT can be processed by a CPU It is a 32-bit or 64-bit.
Address Bus: Number assume the address bus is 32, he represents the address space is 2 ^ 32, which is 4G, So assuming we are using the 32-bit operating system, can manage memory is 4G, so when our computer's memory more than 4G, then you can use a 64-bit operating system, otherwise we can not manage the operating system so much space
Control bus: transmitting a control signal
External bus: is the interface with an external computer device
