Question Pool -- Category E6D
What is a liquid-crystal display (LCD)?
-
A.
- A modern replacement for a quartz crystal oscillator which
displays its fundamental frequency
-
B.
- A display that uses a crystalline liquid to change the way light
is refracted
-
C.
- A frequency-determining unit for a transmitter or receiver
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D.
- A display that uses a glowing liquid to remain brightly lit in dim
light
Answer is B.
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