NETWORKS

NETWORKS

1. LAN

   • LAN- Local Area Network
     • A network in a small area or single organisation

2. star

3. ring

   • Computers are connected to each other in a ring
   • Communication only goes in one direction

4. topology

5. IP adress

6. Advantages

   • You can print, use the internet, email and use the same software on any computer.
   • You can log onto any computer in the school.
   • Your files are available on any computer.

7. Disadvantages

   • Expensive, extra hardware and wiring needed.
   • More room for error- if something goes wrong, it can affect every computer.
   • Difficult, it requires a technical expertise.
   • Malware- viruses and other malicious software can spread through the network.

8. A bus is a series of lines that connect the processor to another part of the computer's architecture, such as cache memory or main memory.

9. Star topology

   • all computers are connected to a central switch
   • the switch directs the traffic to the appropriate computer

10. IP Address

    • so messages can reach the right devices
    • An IP address is a unique name assigned to every computer on a network