User:DEL ROSARIO IVERSON/sandbox

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Definition
A group of computers which are connected to each other and follow similar usage protocols for the purpose of sharing information and having communications provided by the networking nodes is called a Computer Network.

Networking Types

 * Types of Computer
 * Topology


 * Interpreters

5 Main Types of Computer

 * 1) LAN (Local Area Network)
 * 2) * Systems connected in a small network like in a building or a small office
 * 3) PAN (Personal Area Network)
 * 4) * The smallest computer network
 * 5) MAN (Metropolitan Area Network)
 * 6) * A network that can be connected within a city, for example, cable TV Connection
 * 7) WAN (Wide Area Network)
 * 8) * Mostly used by Government Organization's to manage data and information
 * 9) VPN (Virtual Private Network)
 * 10) * A network which is constructed by using public wires to connect to a private network

Network Topology

 * 1) Point to Point Topology – Point to Point topology is the simplest topology that connects two nodes directly together with a common link.
 * 2) Bus Topology – A bus topology is such that there is a single line to which all nodes are connected and the nodes connect only to the bus
 * 3) Mesh Topology – This type of topology contains at least two nodes with two or more paths between them
 * 4) Ring Topology – In this topology every node has exactly two branches connected to it. The ring is broken and cannot work if one of the nodes on the ring fails
 * 5) Star Topology – In this network topology, the peripheral nodes are connected to a central node, which rebroadcasts all the transmissions received from any peripheral node to all peripheral nodes on the network, including the originating node
 * 6) Tree Topology – In this type of topology nodes are connected in the form of a tree. The function of the central node in this topology may be distributed
 * 7) Line Topology – in this topology all the nodes are connected in a straight line
 * 8) Hybrid Topology – When two more types of topologies combine together, they form a Hybrid topology

Network Devices

 * Network Repeater – Used to generate incoming electrical, wireless or optical signals
 * Network Hub – It is a small network device. It joins multiple computers together to form a single network segment. On this segment, all computers can interact with each other
 * Network Switch – It is a small hardware device which joins multiple computers together with a single LAN
 * Network Router – This device interfaces in multiple networks whose task is to copy packages from one network to another. It provides connectivity inside enterprises, between Enterprises and the Internet and within an ISP
 * Network Bridge – It reads the outermost section of the data packet to tell where the message is going. It reduces the traffic on other network segments.
 * Modem – This device converts digital signals into analog signals. It is always placed between a telephone and a computer system

REFERENCE
"https://byjus.com/govt-exams/computer-networks/"

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