(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.