What are the main differences between a Mobile and a PDA?

Could I consider iPhones or Samsung galaxy series as a PDA phone?

Are all of them PDAs? I am confused... there are a lot of names but they all sems to me are the same only..somebody please help me solve this question~..thanks a lot!

Considering the Samsung Blackjack and the Blackberry Pearl and wanted to know the pros and cons of each model. Which would you recommend? Thanks!

What's the difference? Cause I need a ''PDA'' for nursing (for softwares they'll provide) and I want to know what's best for me to use.. and if I should just purchase the PDA itself or a phone already installed with it? I prefer a Blackberry, but is...

Which are the differences, advantages an disadvantages of using one or the other in a mobile phone or PDA?

I have a Palm Treo 650 and I just bid on a Palm Verizon Treo 600 Pda Cell phone Pda (I know, Dumb of me..to get an older version of the phone I already have but I wasn't paying attention and big 10.00 instead of 1.00) GRR Whats the differences? is this...

I am looking into purchasing a pda, blackberry or smartphone and would like an educated answer on the differences of all three. Thanks Guys

I'm dating an Asian guy... South Korean to be exact but I'm not Korean. He lived in my country for a few years, so he knows little bit about my culture and language but he still has his Korean ways and he not fluent in the language. Which I wouldn't...

Hello, and thank you for checking out my question. I'm having a bit of a dilemma with regard to my new PDA. A friend just bought me a HP ipaq for school, and I cant seem to find any software or programs ANYWHERE?! The actual name of the PDA is HP ipaq...