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The amount of data that can fit through an Internet connection. You can compare it to a ten-lane motorway which can fit more cars on it than a four-lane motorway. Bandwidth is measured in bits per second (bps). This indicates the number of bits of information that can fit down the line in one second. Kb or Kbps means thousands of bits per second; Mb or Mbps means millions of bits per second.
A high-speed connection to the Internet.
A small piece of hardware that connects to a computer and has uses including data storage and picking up Bluetooth and 3G signals. A dongle may be portable like a USB pen.
A venue that offers a WiFi Internet connection. Many are located in hotels and restaurants and lots of them are free.
Internet service provider (ISP)
A company that provides Internet access to its customers.
IP (Internet Protocol) address
The personal address of your computer (just like your home address), so that servers know where to send the information you have requested.
The time delay between the moment something is initiated and the moment it becomes detectable.
Devices connected together to allow communication and exchange of data.
A set of rules used by computers to communicate with each other across a network. Without protocols, computers would not be able to communicate effectively.
Third generation (3G)
Third-generation wireless communication allows high-speed wireless data transfer.
VoIP (Voice over Internet Protocol)
This technology is used to make telephone calls via the Internet, usually at a cheaper cost.
Wireless fidelity. It is similar to Bluetooth in that it is used to exchange data, but the signals can travel further distances.