Assertion: cathode ray tube's electron beam | /r/HasProperty | moved
Facets:
value: vertically
type: MANNER
value: anywhere on the display
type: LOCATION
Source sentences:
text: The electron beam in a cathode-ray tube also has to be moved back and forth so that it can strike any part of the display screen.
text: The electron beam in a cathode ray tube also has to be moved about so that it can strike any part of the display screen.
text: Because the electron beam is essentially inertia-free and can be moved anywhere on the display, the computer can access any location, making it a random access memory.
text: As each line is displayed, or traced, the electron beam is moved vertically to trace the next line as shown in figure 2-23.