Question

digital television
a. uses a vacuum tube to accept signals and convert them into light and color on the screen.
b. uses a network of stations to transmit signals.
c. provides the illusion of movement by showing a sequence of film over a light source.
d. uses pixels that can be turned on and off.
please select the best answer from the choices provided
a
b
c
d

Explanation:

Digital television represents images using pixels that can be turned on or off to create pictures on the screen. Option a describes an old - fashioned cathode - ray tube (CRT) television, not digital TV. Option b is a general description of signal transmission and not specific to digital TV. Option c describes how traditional film projectors create the illusion of movement, not digital TV.

Answer:

D. uses pixels that can be turned on and off.