Mobile computing is the technology which provides the access to the internet to the user from anywhere. Mobile computing is enabled by use of mobile devices such as PDA, laptops, mobile phones, MP3 players, digital cameras, tablet PC and Palmtops on a wireless network.

Mobile computing involves Mobile Communication, Mobile Hardware and Mobile Software; which are discussed as follows:

Mobile Communication:

It is the technology which provides the smooth and reliable communication. These would include devices such as Protocols, Services, Bandwidth and Portals necessary to facilitate and support the stated services. The signals are carried over the air to intended devices that are capable of receiving and sending similar kind of signals. It will incorporate all aspects of wireless communication.

Mobile Hardware: Mobile Hardware includes mobile devices or device components that receive or access the service of mobility. They would range from Portable laptops, Smart phones, Tablet PC’s to Personal Digital Assistants. These devices will have receptors that are capable of sensing and receiving signals. These devices are configured to operate in fullduplex, whereby they are capable of sending and receiving signals at the same time.

Mobile Software: Mobile Software is the actual program that runs on the mobile hardware. It deals with the characteristics and requirements of mobile applications. This is the engine of that mobile device. In other terms, it is the operating system of that appliance. It is the essential component that makes the mobile device operates.