Most are Client/Server networks Client: a computer requesting data or services Server or Host: a central computer supplying data or services requested of it Protocols The set of rules a computer follows to electronically transmit data. TCP/IP (Transmission Control Protocol) is the internet protocol Developed in 1978 Used for all internet transactions Packets Fixed-length blocks of data for transmission Data transmissions are broken up into packets IP Addresses Every device connected to the internet has an address Each IP address uniquely identifies that device The address is four sets of digit numbers separated by points . Example: 95.160.10.240 Each number is between 0 and 255 The language used in writing and publishing web pages. The set of tags used to specify document structure, formatting, and links to other documents on the web
Posted on: Tue, 18 Jun 2013 23:43:40 +0000