(1) Short for
Electronic Software Distribution, a system for selling
software over a
network. ESD systems provide secure communications that customers use to download and pay for software. These systems can operate over the
Internet or on a direct
modem -to-modem connection. ESD systems can also allow users to use software for a trial period before purchasing.
(1) Short for electrostatic discharge, the rapid discharge of static electricity from one conductor to another of a different potential. An electrostatic discharge can damage integrated circuits found in computer and communications equipment.
Also see Static Electricity and Computers in the Did You Know . . . ? section of Webopedia.