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1. Computer Network Computer Network is an integration of two or more than two computers. It means when computers or their associated devices are connected through a medium is known as a computerork. The medium through which computer systems are connected may be wired or wireless. Figure: Wired Network (all the devices are connected through cable/wire) Figure: Wireless Network (all the devices are connected through Radio Waves) The main objective of Computer Network is to share data/information from one device to another. Network Devices The network devices are devices that help to communicate between computer devices. The most popular network devices are Network Cables , Switch , Router , Bridge or Hub , etc. 1.1 Network Types The basic types of network types are as follows - LAN MAN WAN PAN i. LAN The LAN stands for " Local Area Network" , as its name implies that this type of network is dedicated to a specific geographic area. In the LAN, a group of computers belong