Mobile computing is the use of computer technology in a moving environment. There are a lot of portable devices such as: tablet PCs, laptops, notebooks, etc. The gadgets will come under the definition of mobile computing when is used in a wireless enabled network rather than in a stationary port. They use newest wireless technologies such as: GPS, GPRS, Wi-Fi. Recently introduced mobile gadgets are: digital assistant, eBook, smartphone, etc. Nowadays mobile computing is used everywhere, even in cell phones and metropolitan area network. The access to the network can be done from the anywhere and this is one of the biggest advantages of mobile computing. In that way, it is a boon to the people. The most major disadvantages of mobile computing are: Transmission interferences and health hazards.

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