<http://webisa.webdatacommons.org/172109314>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/141615197>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/172109314> .
<http://webisa.webdatacommons.org/172109314>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/172109314>	<http://www.w3.org/ns/prov#value>	"The PC stack is a hardware stack of eight 16 bit program counters for subroutine call/return." .