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Networks

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Networks. Computer Technology. Network. Two or more computers and other devices (printers or scanners) that are connected, for the purpose of sharing data and programs. Network Terms. File Server A computer connected to a network that distributes resources to other users

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Networks

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  1. Networks Computer Technology

  2. Network • Two or more computers and other devices (printers or scanners) that are connected, for the purpose of sharing data and programs

  3. 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

  4. 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

  5. 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

  6. 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

  7. Local Area Network (LAN) • Computer network that is located within a limited geographical area, such as a school or small business • Example • The MRJH Network

  8. Wide Area Network (WAN) • Interconnected group of computers and peripherals that cover a large geographical area, such as multiple buildings • Examples • The Alpine School District Network • The Internet

  9. 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

  10. Resources Parsons, June Jamrich, and Dan Oja. Computer Concepts. Boston: Course Technology - Thompson Learning, 2002.

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