About: http://webisa.webdatacommons.org/135730540

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The microcomputer may also be connected to an audio output device such as the speaker, in order to enable operating signals such as beeps to advise the operator of the appliance of various operating conditions of the system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com