About: http://webisa.webdatacommons.org/417635795

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	In some cases, when the I/O unit 40 is interfacing with a device such as a disk file, the I/O unit 40 can not afford to wait due to the nature of the I/O (i.e., data transfer) occurring between the I/O unit 40 and the disk file.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com