Assertion: early microcomputer | /r/HasProperty | box
Facets:
value: with switches
type: OTHER
value: with lights
type: OTHER
value: essentially
type: DEGREE
Source sentences:
text: Virtually all early microcomputers were essentially boxes with lights and switches; one had to read and understand binary numbers and machine language to program and use them (the Datapoint 2200 was a striking exception, bearing a modern design based on a monitor, keyboard, and tape and disk drives).