Networks Hardware & Commercial Usage

Networks Hardware & Commercial Usage

1. Hardware communication devices

   • routers
     • Wired or wireless
       • Joins several networks together
         • Connects several computers to the internet
   • switches
     • Decides where a pack of data goes
       • Reduces number of packets of data on a networks, speeds it up
   • Hubs
     • Joins computers in a network
       • Allows connection of cables
         • Allows sharing of files

2. Data transfer media

   • Metal wire
   • Fibre optic cable
   • Wireless

3. Network interfacecard

   • Prepares data ready for send over
   • Sends data
   • Controls flow of data