A photographer wants to share her photos with people in
other parts of the world.
What are two reasons the photographer would choose a digital signal rather
than an analog signal to share the photos?
A. The digital signal is less vulnerable to noise and more likely to
arrive intact.
B. The digital signal can be copied many times without losing
quality.
C. The digital signal moves gradually between an infinite number of
values.
D. The digital signal could easily lose information because of noise
over long distances.
