Networks

What is the difference between stand alone computers and networked computers. (include the advantages of networked computers)
Stand alone computers mention that any device is not connected to the network.Network computers use communication protocols.
Stand alone computers mention also that communication is
Explain what a Bus network is and how it works
It’s a network in which nodes are attached to a half duplex called a bus.They use one cable and act as a backbone.
The simplest and cheapest to install and enlarge.
If the main cable fails,the whole network fails
Explain what a ring network is and how it works
It’s an openwork topology therefore each node is attached with two other nodes,assembling a pathway for signals through any node-a ring
:Cable failure,any place will be affected.
One way system so not affected by substantial traffic.
Explain what a star network is and how it works
N a star network topology,all nodes are connected with each other through one or more switches.
Easy to install and expands with extra nodes.
Uses of the most cable which is way expensive,an extra hub or switch further increases the cost.
Describe how a Network interface card works
It can be wired or wireless,it’s indispensable to a network and it’s inside computers,mobile phones and tablets.
Example of a wireless network NIC card is fiber data
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