Topic 3

Topic 3

1. Broadband: A network which can carry multiple channels of its data.

   • Download a lot of data quickly. You can use phone and internet at the same time.
     • Greater risk of hacking. As more people use broadband in an area, download/upload time increases.

2. Dial Up: Connecting to the internet with an old fashioned modem and then being connected with a telephone socket.

   • It can be used in areas where broadband is unavailable. You can dial up from different locations.
     • Slow transfer speed. Difficult to upload/download files

3. GIS (graphical information system): Uses a combination of hardware, software and data to manage , analyse and display all kinds of geographical data. eg. google earth and satellite navigation systems. 2 uses of GIS are archeology and town planning.

4. ISP (Internet service provider): You need an ISP to connect to the internet. Examples of ISP's are Sky and TalkTalk. ISP's have powerful computers called servers that are permanently connected to the internet.

5. Bluetooth: A wireless technology that allows smart phones, laptops ect to share information.

   • No need for wires. Can share information such as music.
     • Can only be used over short distances. May be hacked by other near by.

6. WiFi: A trademark for products that meet certain standards for transmitting data over wireless networks.

7. Hotspot: A region where internet can be accessed wirelessly

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