computer networks

bus
1. one straight line with stops
2. if one line breaks the hole thing stops
3. cheap
4. if more workstations are added it becomes slower
ring
1. if one brakes they all do
2. fast because no data collisions
star
1. A hub sends every packet of data to every device, whereas a switch only sends a packet of data to the destination device
2. uses a hub
3. fast
4. a lot of money
definition of a network
1. nodes
  1. share data
2. linked up by cable or wireless
3. quickly contact and share data people on the same network
PAN
1. Personal area network
2. personal sharing of data
3. smallest type
LAN
1. local area network
2. covers a building
WAN
1. made up of lots of lans
2. massive
some are wired and some are not
1. fiber optics
  1. glass
  2. expencive
  3. fast
2. wireless
  1. easily interference
  2. access without hassle

Resource summary

	Created by Matthew Roderick over 5 years ago