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NETWORK INTERFACE HARDWARE:
CPU can't operate data at network speeds. So in order to connect to the network device systems use special purpose hardware for network connections which have of typically a separate card in the back plane which is known Network Adapter Card or Network Interface Card (NIC).
The connector on NIC at the back of computer then access cable to physical network. The CPU structure is given in the figure
Figure
The Network Connector is also given in the figure below.
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