A computer network consists of communications media, devices and software needed to connect two or more computer systems or devices. Once connected computers can share data, information and processing jobs. …
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Understanding of the Internets core elements & workings
In client/server architecture, the application and database reside on one host computer, the file server and each server is accessible by all computers on the network. The Internet transmits data from host to client server, and if it finds the receiving computer on a network to which the first computer is directly connected, it sends the message directly. If the receiving computer is not on the same network as the sending computer, the sending computer relays the message to another computer that can forward it. The same way the computers communicate through the network to access Internet.
Network that link systems worldwide to access the Internet pass data in form of chunks called Packets, each of which carries the address of its sender and its receiver. The set of conventions used to pass packets from one host to another is known as Internet Protocol (IP). In order to access the Internet one must have an account with the service provider and software that allows a direct link via TCP/IP. LAN/WAN servers are used for communication.
Internet is a connection of interconnected networks, which are capable of freely exchanging information while WWW is an Internet service-comprising tens of thousands of independently owned computers that work together as one. These computers are called web servers scattered all over the world and contain every type of data.
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