Lock assembly for a personal computer enclosure

A lock assembly comprising a lock member movable between a locked position and an unlocked position and a shape memory wire arranged to move the lock member between the locked position and the unlocked position in response to one or more electrical signals that generate currents therein and a bistable mechanical biasing arrangement for biasing the lock member into the locked position or the unlocked position, the shape memory wire including a first portion forming a first current path for pulling the lock member into the lock position and a second portion forming a second current path for pulling the lock member into the unlock position, one end of the first current path and one end of the second current path being connected to a common terminal.