Assertion: signal | /r/HasProperty | digital
Facets:
value: in nature
type: LOCATION
value: always
type: DEGREE
Source sentences:
text: These signals can be transmitted in a number of ways, such as over the air, cable or satellite, but they are always analog or digital.
text: This is true whether the signals are analog or digital,and regardless of the type of information conveyed.
text: All the signals generated by computers and other digital devices are digital in nature.