NETWORK |
Collection of computer and devices connected together via communication device and transmission media |
TRANSMISSION MEDIA & COMMUNICATION DEVICE
TRANSMISSION MEDIA | COMMUNICATION DEVICE |
Materials or substances capable of carrying one or more signals in a communications channel. | Any type of hardware capable of transmitting data, instructions and information between a sending device and receiving device. |
TYPE OF TRANSMISSION MEDIA & COMMUNICATION DEVICE
TRANSMISSION MEDIA | COMMUNICATION DEVICE |
*Physical transmission (Twisted pair cable, Coaxial cable, Fiber optic cable) | *Dail up modem |
*Wireless transmission (Infrared, Broadcast radio, Cellular radio, Microwave, Communication satelite) | *Digital modem |
| *Wireless modem |
| *Network card |
| *Wireless access point |
| *Router |
| *Switch |
| *Hub |
ADVANTAGES & DISADVANTAGES OF NETWORK
ADVANTAGE | DISADVANTAGE |
*Easy communication and speed | *Breakdowns and possible loss of resources |
*Ability to share files, data and information | *Epensive to build |
*Sharing hardware | *Security threats |
*Sharing software | *Bandwidth issues |
*Security | |
*Speed | |
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