Appliance (n.c) a device is designed to perform a specific function, especially and electrical device for Facilities.
Device (n.c.) a machine designed for a purpose In a general context a computer can be considered
Instrument (n.c.) a device use for musician.
Contraption (n.c.) a device that has a specific purpose and is invention
Gadget (n.c.) a small tool such as a machine that has a particular function, but is often thought of as a novelty.
Tool (n.c.) a equipment used in the work for Created or repair.
Apparatus (n.u.) a device for experiment