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A network is a set of computers that are connected together
Like computers in an office
Or in a school lab
Or a home network
Name and logo Bluetooth logo The word "Bluetooth" is an anglicized version of the Scandinavian Blåtand/Blåtann, the epithet of the tenth-century king Harald I of Denmark and parts of Norway who united dissonant Danish tribes into a single kingdom. The idea of this name was proposed by Jim Kardach who developed a system that would allow mobile phones to communicate with computers (at the time he was reading Frans Gunnar Bengtsson's historical novel The Long Ships about Vikings and king Harald Bluetooth). The implication is that Bluetooth does the same with communications protocols, uniting them into one universal standard. The Bluetooth logo is a bind rune merging the Younger Futhark runes (Hagall) (ᚼ) and (Bjarkan) (ᛒ), Harald's initials.
Clients & Servers
• It is called a Client, because it receives services
from a Server
• A Server is normally a powerful computer, that
provides services to other computers and
devices on a network
Examples of servers
Printer server Allows clients to print using one shared printer
Storage server Allows clients to save/store their files on a shared drive
Web server Hosts the web-pages, that are accessed by the clients
Mail server Stores clients mail accounts and inboxes. Allows clients to
Giovanni Nick Steve
• A firewall protects your network against
• A firewall can be a hardware device and it can
be software that is installed on a computer or a
How do you connect your network
to the Internet?
1. Router 2. ISP
The Internet Service Provider, is a company,
that has a very large connection to the