Appendix D: Glossary

3G
Short for "third generation," it is a mobile phone standard which allows for faster communication and access to the mobile web through a data connection.
App
Short for "application," apps are computer programs downloaded to a cellphone which can perform a wide range of device-specific functions. Apps can be anything from standalone games to alarm clocks to city guides and more. QR code scanners are apps.
Data
When a smartphone is not connected to a wireless Internet connection, it can still access the Internet by drawing off of a data plan which is incorporated into a monthly service plans. These plans have caps, and often steep overage fees, but allow the user to access the Internet from almost anywhere.
Decibel (dB, db)
A unit used to express the intensity of a sound wave. It is a measure of amplification and not volume.
Mobile Web
The mobile web is the Internet as accessed by a cellphone.
QR Code
Short for "Quick Response Code." QR Codes are barcodes which can be scanned with a cell phone camera and used to direct visitors to Internet content.
Smartphone
A cellular telephone that provides far greater computing power than conventional cell phones. They offer full Internet access, the ability to install third party applications and often have touch sensitive screens. Popular smartphones include the iPhone, BlackBerries and Android phones.
WiFi
WiFi enabled devices, such as laptops and smartphones, are able to wirelessly access the Internet when in the range of a wireless router's signal.

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