A PDA and a laptop computer share many of the same features, yet they are quite different. A PDA is outstanding for its light weight and portability. The laptop is portable, but is heavier and somewhat more cumbersome.
A PDA is lightweight - more so than the laptop.
The PDA has much less memory.
Another advantage of the small PDA memory is that you have less to sort through when you want to open a program or look up a file. The laptop holds so many files that it takes awhile to find the one you want and bring it up. So, it is a matter of speed versus volume.
For a detailed outlook on both refer to this site -http://ezinearticles.com/?Do-You-Know-The-Major-Differences-Between-Laptops-And-PDAs?&id=942172
The iPhone is a pda aka a smart phone.
The HP PDA is not a rival to the Iphone because they are to different products. The Iphone is just that, a cell phone, capable of playing music video apps etc. While the HP PDA is a PDA. For the two to compete, they would have to be the same kind of product.
The iPhone is a great PDA, and can save you the hassle of keeping two devices in your pocket.
The Apple iPhone is an ideal PDA for medical software. There are numerous medical apps designed specifically for the iPhone
CollectiveMed makes a variety of medical and nursing software for PDA, Iphone, and Blackberry. Check out their catalogue online!
Some examples of phones that come with a PDA are the Blackberry 9700 Bold and the HTC HD2 T8585. The Apple iPhone also comes with a PDA. You can purchase these phones from retailers such as Amazon.
At present, it is the iPod touch and/or iPhone.
Sprint offers yearly subscription plans for almost all of the PDA phones it sells. These phones include the iPhone, Blackberry, Samsung, Sony and HTC.
The term PDA phone has fallen into disuse with these devices now simply being called smartphones. Popular phones include the iPhone, Samsung Galaxy S3 and Droid Razr.
Blackberry PDA's where a leader in their release and the monthly plan on these can be very pricy but the features are great. Other phones like the Iphone have competitive features and other phones like samsung are offering similar blackberry features at a slightly cheaper price.
The PDA market is virtually non-exisitent now with the advent of smart phones. Smart phones combine all the features of a PDA, a cell phone and the internet. Some examples are the iPhone, Android and Windows Phone 7. If you really don't need the cell phone part, an iPod Touch makes a great PDA (even though it is not marketed as such).
No, however you can use Skype on PDA phones with wifi internet and do free texting. The Apple iPhone 2.0 may soon allow for video conferencing