Unit 14. P3

A protocol is used in various fields including communication and for office conversations or groups. It means a set of rules or guidelines that need to be followed.  The protocols used are:

Wi-Fi – Wi-Fi is wireless internet that is from a dongle. It uses radio waves to provide high speed wireless internet and network connections. You do not have to connect anything up to your phone, laptop, tablet e.g. … You normally need a password to connect up to the dongle though.

SMS – SMS stands for short messaging service or simply known as ‘texting’. People use SMS to send messages to people via mobile or internet devices. You can only use up to 160 characters (letters) per text.

GPRS – GPRS stands for General Packet Radio Service. It is a mobile data service available to 2G and 3G communication devices. GPRS is slower than 3G it doesn’t connect to the internet as quick but it can help send SMS or any other multimedia message to other people.

Bluetooth - Bluetooth is a wireless technology and you can send different data to another device over short distances. For example...two phones pair up with bluetooth and you can send images, music, etc. It uses radio frequency to transmit data.

Infrared - Infrared uses infrared light to transfer data. Infrared communication provides a point-to-point, low cost way to connect computers with each other. You can also use infrared to connect up with other devices and appliances.