ia

from WordNet (r) 3.0 (2006)

IA
    n 1: a state in midwestern United States [syn: {Iowa}, {Hawkeye
         State}, {IA}]

from The Free On-line Dictionary of Computing (8 July 2008)

Information Appliance
IA

   <hardware> (IA) A consumer device that performs only a few
   targeted tasks and is controlled by a simple {touch-screen}
   interface or push buttons on the device's enclosure.

   [How does this differ from a {PDA}?]

   (1998-02-24)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

IA
       Identification and Authentication, "I & A"