networks

networks

1. GPRS

   • can be use when moving
   • good for mobile phones such as smartphones
   • can be expensive
   • requires sim card
   • limted connection

2. bluetooth

   • up to 7 devices
   • can be hacked easliy
   • range is quite short

3. ethernet

   • faster data speed
   • range of 100 meters
   • more expensive than wifi

4. wifi

   • good for connecting portable devices
   • can be hacked
   • limted range
   • slower data transfer

5. Keyword meaning LAN Stands for "local area network". Devices are connected over a small geographical location (e.g. a building such as your home or school) WAN Stands for "wide area network". Devices are connected over a large geographical location (such as different buildings, towns or even countries!) The internet is an example of a WAN. The internet is simply computer networks connected together. When you go on a website, you are just accessing another network. WPAN Stands for wireless personal area network. This allows us to connect devices together over a short range. An example of this is using Bluetooth to connect devices together (for example a loud speaker to a smartphone; a mouse to a laptop or a PS4 controller to your games console). Peripherals Any device which can connect to a computer system. For example, printer, camera, keyboard, monitor, mouse and speakers. Router A device which allows you to send and receive data to other devices on a network. This will usual