Assertion: personal computer's cpu | /r/HasProperty | built
Facets:
value: without using a global clock signal
type: OTHER
Source sentences:
text: Transistorized CPUs during the 1950s and 1960s no longer had to be built out of bulky, unreliable and fragile switching elements like vacuum tubes and relays.
text: While somewhat uncommon, entire asynchronous CPUs have been built without using a global clock signal.