Computer Networking


Computer Networking 
A Network consists two or more   computers that are connected by using 
Various media in   order to share resources such as
1. Printers
2. Scanners
3. Hard disks
4. CD-ROM
5. Plotters
6. Floppy disks

Exchange files, or allow electronic communications. The computers on a network
May be linked   through cables, telephone lines, radio waves, satellites ,  or infrared light beams.   In summary   all networks must have the following: [1]:
i) Something to share (data)
ii) A physical pathway (transmission media)
iii) Rules of communication (Protocol)

The goal of computer networking are to provide services and to reduce equipment costs . Networks Enable computers to share their resource by offering services to other computers. Some of the reasons for networking pc s are as follows:
Share files
Share printers and other devices
Enable common administration and security Supporting network applications such as electric mail and data base service. 

 This section provides information on the following components:
  • File Servers
  • Workstations
  • Network Interface Cards
  • Switches
  • Repeaters
  • Bridges
  • Routers