Client
Definition: An end-user device that requests and uses the services provided by servers.
Function: Allows users to access network resources and run applications.
Examples: Personal computers, laptops, smartphones, tablets.
Server
Definition: A powerful computer that stores and manages data, software, and resources.
Circuit
Definition: The communication path through which data travels between network devices.
Types:
Wired: Uses physical cables
, copper wire, fiber-optic cable
Wireless: Uses radio waves or other electromagnetic signals
Function: Provides the medium for data transmission.
Network Interface Card (NIC)
Definition: A hardware component that allows a device to connect to a network.
Function: Prepares, sends, and controls the flow of data on the network.
Switch:
Definition: A device that connects multiple devices within a local network.
Function: Directs data packets to their intended destinations within the LAN.
Router
Definition: A device that connects different networks and directs data between them.
Function: Determines the best path for data to travel across networks.
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