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Back to Digital Electronics (Logic Gates)
3 Beginner
2 Intermediate
Question 1 of 5
Score: 0/—
★☆☆ Beginner
Which of the following best describes a **digital signal** as used in logic gates, compared to an analogue signal?
A
It is continuous and can have an infinite number of values within a range.
B
It is discrete and can only have two specific states: HIGH or LOW.
C
It represents continuous sound waves, like those from a human voice.
D
It gradually changes its voltage to dim a light bulb.