NETWORK





 A collection of computers and devices connected  together via communications devices and transmission media.




Communication device

Hardware or equipment that able to transmitting data between sending device and receiving device.

Transmission media

The media use to send communication signals between devices. 
1) Wired 
2) Wireless





Advantages of network

1) Sharing software 
2) Sharing hardware
3) Sharing data and information




 

Disadvantages of network

1) Secret information leaked
2) Spread of computer viruses
3) Netwrok can fail







NETWORK ARCHITECTURE

The design of computers, devices, and mediain a network. 

TYPES
1) CLIENT SERVER
2) PEER-TO-PEER 


NETWORK TOPOLOGY

Physical topology
The layout/arrangment of computers, devices and cables.

Logical topology
The path that data travels between computers on the network.


TYPES OF NETWORK TOPOLOGY


BUS 

















STAR




















RING