Personal Digital Assistance. Otherwise known as a palm computer or a handheld. Specific ones are Palms, Pocket PCS, Handsprings: www.pocketpc.com

>Sorry to feel stupid.. but what are PDA??? =)
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>>>There are some industries where pda systems are rapidly overtaking PC-based solutions- so much so that PC systems might reasonably be regarded as "dead".
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>>I think PCs are here to stay but there will be internet devices and PDAs as alternatives. Check out www.pocketpc.com. Really 90% of the people use a computer for Email, Web and word documents. A pocket pc (PDA) does all this.
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>>>Is a PDA app C/S?
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>>Yes. PDA are just small computers. You can write VC++, VB, Java or browser code that accesses a back-end database.