Slide 1

D. Beecroft Fremont High School 2009-2010 Networks Slide 2 D. Beecroft Fremont High School 2009-2010 Network A group of two or more computers, software, and other devices that are connected by means of one or more communications media. Slide 3 D. Beecroft Fremont High School 2009-2010 Network Terms File Server A computer and its associated storage devices that are accessed remotely over a network by users. Host Computer Main or controlling computer connected to other computers or terminals to which it provides data or computing services via a network. Used more commonly with the Internet Slide 4 D. Beecroft Fremont High School 2009-2010 Network Terms (continued) Workstation Refers to a computer (and often the surrounding area) that has been configured to perform a certain set of tasks, such as photo editing, audio recording, or video production. Client Network architecture in which a computer (client) is used to send information or a request to another computer (server). Slide 5 D. Beecroft Fremont High School 2009-2010 Network Connections Devices Modem A hardware device that translates signals from digital to analog and from analog to digital; making it possible for digital computers to communicate over analog telephone lines Hub An electronic device used in a local area network that links groups of computers to one another and allows computers to communicate with one another. Slide 6 Network Connections Devices, Continued Routers An electronic device typically used in large networks, including the Internet, to assure that messages are sent to their intended destinations. Gateway Hardware and/or software that allows communication between dissimilar networks. All of these can be used alone or in a combination D. Beecroft Fremont High School 2009-2010 Slide 7 D. Beecroft Fremont High School 2009-2010 Local Area Network (LAN) A computer network physically confined to a relatively small geographical area, such as a single building or a college campus. Slide 8 D. Beecroft Fremont High School 2009-2010 Wide Area Network (WAN) A network that spans a large geographical area. Slide 9 D. Beecroft Fremont High School 2009-2010 IP (Internet Protocol) Address It provides a standard set of rules for sending and receiving data through the Internet. Slide 10 D. Beecroft Fremont High School 2009-2010 Resources Fuller, Floyd. Computers: Navigating Change. EMC Paradigm, 2002. Parsons, June Jamrich, and Dan Oja. Computer Concepts. Boston: Course Technology - Thompson Learning, 2002. http://cil.usu.edu/comptech/OSTutorial/ Networks/