communications part 1

communications part 1

1. networks

   • a network is a group of computers connected together so they can communicate.
   • advantages
     • shares files
     • shares resources
     • provides a single username and password
   • disadvantages
     • expensive because extra hardware is needed
     • more room for error
     • difficult
       • requires expertise for mainternance

2. LAN

   • A local area network is a network confined to one location or argansiation

3. WAN

   • A wide Area network is a network of LANS spanning wide area

4. Wired

   • computers are connected with physical wires.

5. wireless

   • Radio waves are used to transmit binary data