GPRS is a packet oriented mobile data protocol that allows the network to transmit IP packages to external networks. This service is compatible with 2G and 3G networks. WAP stands for Wireless Application...

Cell is an electrochemical cell that derives electrical energy from spontaneous redox reaction inside the cell. A battery is basically nothing but a stack or pile of electrochemical or galvanic cells.

GPRS service was created as an addition to the GSM network to be able to send and receive data packets. 3G is a faster and a better version of GPRS.

CDMA allows multiple users on the same channel using unique codes. GSM divides users into time slots or on different frequencies, where only one user is allowed to use one channel slot at one time.

SMS allows users to exchange text messages with a specific number or a fixed line. MMS allows users to incorporate multimedia such as images, video, ringtone as well as text into a message and send them to a...