BUS NETWORK

  A bus network consists of a single central
    cable (backbone), to which all computers and
    other devices(nodes) connect
 The bus is the physical cable that connects the
  computers and other devices.

 The bus in a bus network transmit data,
  instructions, and information  as a series of signal.

 Those signals are sent as electrical pulses that
  travel along the length of the cable in all directions.

 Each devices is connected to the single bus
  cable through T-Connector.

 A terminator is required at each end of the bus
  cable to prevent the signal from bouncing back
  and forth on the bus cable.

 When a sending device transmits data, the
  address of the receiving device is included 
  with the transmission.

 If the device address does not match the
 intended address for the data, the device
 ignores the data.

 If the data does match the device address, the   data is accepted.

 All devices receive the data  but only the
 receiving   device accept them.

RING NETWORK
 On a ring network, a cable forms a closed loop
  (ring) with all computers and devices arranged
  along the ring.
 Data transmitted on a ring network travels from
  device to device around the entire ring, in one
  direction (clockwise or counterclockwise)

 Token passing is one method for sending data
   around a ring

 Each device takes a turn sending and receiving
  information through the
  use of a token (a special packet).

 STAR NETWORK
 All the computers and other devices on the
  network connect to a central device, thus forming
  a star.
 Two types of devices that provide a common
  central connection point to all the other devices
  on the network are a hub and a switch The device that provides a common central
  connection point for other devices on a
  network.

 All data that transfers from one device to
  another passes through the hub or switch.

 The hub takes a signal that comes from any device and passes it along to all
  the other devices in the networ