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Networking Essentials for Computer Users

Understand the basics of computer networks with this comprehensive guide. Explore terms, devices, connections, LAN, WAN, IP addresses, and how they all work together. Perfect for beginners in the world of networking.

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Networking Essentials for Computer Users

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  1. Networks Computer Technology Mrs. Seale

  2. Network • Collection of computers and devices connected, for the purpose of sharing data and programs. • Example: LJHS

  3. Network Terms • File Server • A computer connected to a network that distributes resources to other users. • Provides shared access to programs and files. • Host Computer • Refers to any computer that 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 converts 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. • Notebook or Laptop Computers have a special card that fits into a slot or opening in the case.

  6. Network Connections Devices • Modem • Sends and receives data to and from computers over telephone lines. • Hub • Connects several components of a network. • Router • Connects at least two networks. • Gateway • Portal between two systems that allows them to share information. • Email, Internet Forum • 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 LJHSNetwork

  8. Wide Area Network (WAN) • Computer network that cover a large geographical area, such as multiple buildings. • Examples • The Alpine School District Network • The Internet

  9. IP Address • A unique identifying number assigned to each computer connected to the internet. • host or network interface identity • location address • Example – 204.127.102.001 • 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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