About: http://webisa.webdatacommons.org/260202273

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	immediately above the RAM. Up to eight I/O devices may be accessed, even though only four addresses are used, by decoding whether a read or write operation is being performed.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com