NETWORK                 
NETWORK ARCHITECTURE

Network
·        A network is a collection of computers and mobile devices connected together via communication devices and transmission media to share resources (hardware, software, data and information).
 

Communication device
·        Hardware component that enables a computer to send and receive data, instruction and information to and from one and more computer.

HUB       ROUTER              MODEM

             HUB                                   ROUTER                           MODEM                                      

Transmission media

·        A type of physical system used to carry a communication signal from one system to another.

PHYSICAL

WIRELESS
  • Send signal through cable, wire or tangible materials.

TWISTED-PAIR CABLE                           COXIAL CABLE
TWISTED-PAIR CABLE                                 COAXIAL CABLE
  • Send signal through air or space.

COMMUNICATION SATELITTE                         WI-FI

COMMUNICATION SATELLITE                          WI-FI