The word "smartphone" is defined as "a mobile phone that incorporates a PDA (Personal Digital Assistant)" by the Oxford American Dictionary. So, by definition, a smartphone is a converged, multipurpose device. Historically, mobile phones and PDAs have evolved along very different paths. Mobile phones started as dumb voice terminals while PDAs started like mini-PCs. Before we start discussing smartphones, let's have a brief review of how mobile phones and PDAs got to where they are today. The original mobile phone was a wireless telephone device primarily for voice communications. Like any other telephone, the mobile phone is only useful when it is hooked into a network and has a service agreement with an operator (a.k.a., a carrier). As a result, mobile phone technology is tightly coupled with the underlying wireless network technologies and the available network services. So far, the wireless network and devices have gone through several generations: For PDAs, the story is much simpler. Unlike mobile phones, PDAs do not require subscription-based network services. They are standalone minicomputers, pretty much like PCs before the internet. The first generation of successful PDAs are Palm Pilots. They primarily function as electronic organizers with support for address books, calendars, email, notes, etc. The PDA only occasionally needs to connect to a companion PC (pairing) for "synchronization." For instance, a PDA can be synchronized with your PC address book, calendar, and email inbox, via a USB or serial cable. Newer PDA models can also connect to PCs wirelessly via Bluetooth, or connect to the internet via WiFi. A key characteristic that makes PDAs "smart" is that they are programmable. You can use regular computer-programming languages such as C, C++, Java, and BASIC to write PDA applications. In fact, thousands of applications, from medical dictionary to music players to web browsers, have been written for Palm and Microsoft PocketPC PDAs. Those applications are essential for the wide adoption of PDAs. In addition to user-installed software, PDAs can also work with an array of hardware add-ons. For instance, you can attach a thumb keyboard or a GPS unit to a PDA.Mobile Phones and PDAs
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10 years ago
2 comments:
Nice start with blogging !! Hope 2 see some good stuffs in future in here.. :)
Also link my site on yours.. i've done d same.. check mine..
Say Ishan also to do this !!
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