Which of the following statements about digital electronics is true?
Anglès tècnic - Instal·lacions elèctriques automàtiques
a:
Digital electronics uses continuous signals.
b:
Digital signals are represented by two states, 0 and 1.
c:
Digital electronics improves quality by using more energy.
d:
Analog systems are less sensitive to data errors than digital systems.
Resposta correcta: b
Explicació: Digital electronics operates on discrete levels, typically represented as 0 and 1, making it fundamentally different from analog electronics that uses continuous signals.
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