Editing Computer Networks (section)

== <span style="color: #FFFFFF;">Remembering</span> ==
* '''Computer Network''' — A group of two or more computers linked together.
* '''The Internet''' — The global system of interconnected computer networks.
* '''Protocol''' — A set of rules that governs how data is transmitted over a network (e.g., HTTP, TCP, IP).
* '''IP Address''' — A unique numerical label assigned to each device connected to a network.
* '''Packet''' — A small unit of data transmitted over a network.
* '''Router''' — A device that forwards data packets between computer networks.
* '''Switch''' — A device that connects devices within a single local area network (LAN).
* '''DNS (Domain Name System)''' — The "phonebook" of the Internet; translates human names (google.com) into IP addresses.
* '''TCP (Transmission Control Protocol)''' — Ensures reliable, ordered, and error-checked delivery of data.
* '''UDP (User Datagram Protocol)''' — A faster, "fire-and-forget" protocol used for streaming and gaming.
* '''Bandwidth''' — The maximum rate of data transfer across a network path.
* '''Latency''' — The time it takes for a packet to travel from source to destination ("Lag").
* '''LAN (Local Area Network)''' — A network confined to a small geographic area (e.g., a home or office).
* '''WAN (Wide Area Network)''' — A network that covers a large geographic area (e.g., the Internet).
* '''VPN (Virtual Private Network)''' — An encrypted "tunnel" through a public network that provides privacy and security.
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