Networking and Computer Components

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Router

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A device that forwards data packets between computer networks, creating an overlay internetwork.

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Switch

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A device in a computer network that connects other devices together. Multiple data cables are plugged into a switch to enable communication between different networked devices.

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WiFi Extender

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A device that extends the range of a wireless network by receiving the existing WiFi signal, amplifying it, and then transmitting the boosted signal.

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Hub

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A basic networking device that connects multiple Ethernet devices, making them act as a single network segment.

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Ethernet

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A system for connecting computers within a local area network (LAN) with protocols to control the passing of information and to avoid simultaneous transmission by two or more systems.

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Wireless

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A method of communication that uses radio waves to transmit data without the need for wires.

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Hard Drive

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A data storage device used for storing and retrieving digital information using rapidly rotating disks coated with magnetic material.

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CPU

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The central processing unit, the primary component of a computer that performs most of the processing inside a computer.

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Network Interface Card

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A hardware component that connects a computer to a computer network.

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Data Packets

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Units of data made into a single package that travel along a given network path.