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Four PCI Express bus card slots (from top to second from bottom: ×4, ×16, ×1 and ×16), compared to a 32-bit conventional PCI bus card slot (very bottom). In computer architecture, a bus (historically also called a data highway [1] or databus) is a communication system that transfers data between components inside a computer or between computers. [2]
A system bus is a single computer bus that connects the major components of a computer system, combining the functions of a data bus to carry information, an address bus to determine where it should be sent or read from, and a control bus to determine its operation. The technique was developed to reduce costs and improve modularity, and ...
In a bus network, every station will receive all network traffic, and the traffic generated by each station has equal transmission priority. [3] A bus network forms a single network segment and collision domain. In order for nodes to share the bus, they use a medium access control technology such as carrier-sense multiple access (CSMA) or a bus ...
Network topology is the arrangement of the elements (links, nodes, etc.) of a communication network. [1] [2] Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks, [3] industrial fieldbusses and computer networks.
With multiple sub devices, a multidrop configuration requires an independent CS signal from the main for each sub device, while a daisy-chain configuration only requires one CS signal. Every sub on the bus that has not been selected should disregard the input clock and MOSI signals.
The regular structure signifies that the nodes are arranged in specific shape and the shape is maintained throughout the networks. Some examples of static regular interconnections are: [ 1 ] [ 2 ] Completely connected network Completely connected network In a mesh network, multiple nodes are connected with each other.
A multi-master bus is a computer bus in which there are multiple bus master nodes present on the bus. [1] This is used when multiple nodes on the bus must initiate transfer. For example, direct memory access (DMA) is used to transfer data between peripherals and memory without the need to use the central processing unit (CP
A software bus is a software architecture model where a shared communication channel facilitates connections and communication between software modules. This makes software buses conceptually similar to the bus term used in computer hardware for interconnecting pathways.