What is a network?
A group of computers connected together either by cables, a server or wireless
This is what a network is. It needs no explanation
What is a ring topology?
The ring topology is an old method and it is unstable.
It is unstable because if one computer fails, then none of the others will work.
What is a bus topology?
The bus topology is more effective than the ring but still has faults.
If one computer breaks then it doesn’t disrupt the whole system but each computer can see what was coming along the main cable.
What is the star topology?
The star topology is by far the most effective.
If one computer breaks, the whole system doesn’t shut down and each computer can’t see what is coming along the cables.
What is the difference between a LAN and a Wan?
The difference is that LAN is for a Local Area Network and WAN is for a Wide Area Network.
Which is faster; Ethernet or fibre optic cable?
A fibre optic cable is faster as the wires are thinner but they are more expensive than Ethernet.
What does MODEM do?
A Modulator Demodulator provides access to the internet.
What does ISP stand for?
ISP stands for Internet service provider.
What is an IP address and why is it necessary?
An IP monitors the computer and can see what you are doing. It is necessary because it can tell if you are doing something you aren’t supposed to be doing.
What is a computer virus?
A computer virus enters your system without your knowledge and can then copy itself to other computers.
They are usually transferred to other computers and can be caught by transferring files though a USB drive or more commonly though attachments sent with emails.
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