The major impact of mobility came with the availability of laptop computers and wireless communication systems. With availability of communication technologies like Bluetooth, Wi-Fi, GPS etc. and Cellular data services like Global System for Mobile Communications (GSM), Code Division Multiple Access (CDMA), General Packet Radio Service (GPRS) and now 3rd Generation (3G) the scenario has changed completely. This technology combined with nano technology has given rise to miniature devices. Smart phones and tablets are two such great inventions of this era. Mobile Computing :- Smart mobile computing devices are indeed one of the game changing products of recent times.Some examples of mobile OS are Android, iOS, Symbian, Windows 8 etc. Wi-Fi :- Wi-Fi is a wireless networking protocol that allows a Wi-Fi enabled devices to communicate without use of physical cables. General Packet Radio Service (GPRS) :- This technology is used to allow the mobile phone connect to the Internet. 3G and
All computer course for class 9th to 12th with proper practical and theory .........