In week 10 of Business Computing the primary topic was networks, and the main purpose of creating networks is to make communications more practical and productive. Essentially a communication is merely the transfer of data among two or more devices.
There are three primary kinds of devices that communicate via a network: workstations, nodes, and servers. The server is a computer whose sole purpose is to control and provide services to nodes and workstations connected to its network. The workstations are merely client computers that are connected to the network, and nodes are all other devices connected to the network.
To create a network there has to be a media through which data can be transferred between the server and its nodes. There are two general kinds of media used here: physical and wireless. The physical media is a copper or fiber-optic wire, and the wireless media is radio waves or infrared waves.
The bandwidth of the network is the amount of data that can be transmitted through the media in a given amount of time. To optimize the speed of the network you want to increase bandwidth and decrease latency, which is the time delay due to the conversion between analog and digital data. There is narrow band and broadband, and of course to optimize the speed of the network broadband is more efficient.
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