Networks

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Information about Networks
Education

Published on August 11, 2008

Author: rstewart

Source: authorstream.com

Networks : R. Stewart Fayetteville High School 2008-2009 Networks Computer Technology Day 17 Network : R. Stewart Fayetteville High School 2008-2009 Network Two or more computers and other devices (printers or scanners) that are connected, for the purpose of sharing data and programs Network Terms : R. Stewart Fayetteville High School 2008-2009 Network Terms File Server A computer connected to a network that distributes resources to other users Contains the software to manage and process files for other network users Host Computer Refers to any computer the provides services to network users Used more commonly with the Internet Network Terms (continued) : R. Stewart Fayetteville High School 2008-2009 Network Terms (continued) Workstation Refers to a personal computer connected to a network Example Each computer in the classroom Client Refers to the software on a computer that allows the user to access the server Example Novell Netware Network Interface Card (NIC) : R. Stewart Fayetteville High School 2008-2009 Network Interface Card (NIC) Small circuit board that coverts the digital signals from a computer into signals that can travel over a network Desktop Computers have the NIC inside the case with a jack on the outside for the network cable Example Our classroom computers Notebook or Laptop Computers have a special card that fits into a slot or opening in the case Example Picture on this slide is the NIC for a Notebook or Laptop Network Connections Devices : R. Stewart Fayetteville High School 2008-2009 Network Connections Devices Modem A device that sends and receives data to and from computers over telephone lines. Hubs A device that connects several components of a network Routers A device that connects at least two networks Gateway A device that serves as an entrance to another network All of these can be used alone or combination Local Area Network (LAN) : R. Stewart Fayetteville High School 2008-2009 Local Area Network (LAN) Computer network that is located within a limited geographical area, such as a school or small business Example The FHS Network Wide Area Network (WAN) : R. Stewart Fayetteville High School 2008-2009 Wide Area Network (WAN) Interconnected group of computers and peripherals that cover a large geographical area, such as multiple buildings Examples The Talladega County School District Network The Internet IP Addresses : R. Stewart Fayetteville High School 2008-2009 IP Addresses A unique identifying number assigned to each computer connected to the internet Example – 204.127.102.001 Each computer on a network should have its own separate IP Address or conflicts will occur when there are duplicate addresses Resources : R. Stewart Fayetteville High School 2008-2009 Resources Parsons, June Jamrich, and Dan Oja. Computer Concepts. Boston: Course Technology - Thompson Learning, 2002.

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