PDA
PDA Short for Personal Digital Assistant, this is the name given to a small handheld device that combines computing, telephone / fax, Internet and networking features. PDAs are generally able to function as a cell phone like most phones, fax sender, web browser and personal organizer. These devices are usually based as a pen / [...]

Pocket PC
Pocket PC is a name given to PDAs that use Microsoft’s Windows Mobile operating system. Just as the category of PDA devices, Pocket PC features focused on the tasks of computing and data with other features, such as the ability of the secondary cell phones to PDA functions. Pocket PC is a device standard. [...]

Smartphone
This handheld device or mobile phone capabilities integrate with the more general features of a handheld computer or PDA. Smartphones allow users to store information, e-mail, install programs, along with using the phone in one device. A smartphone features are usually more oriented toward cell phones rather than PDAs. There is no industry standard to [...]