Question

why can videos be streamed from one computer to another with excellent quality?
a. they are received using either analog or digital signals.
b. they are received using both analog and digital signals.
c. they are transmitted using analog signals.
d. they are transmitted using digital signals.

Explanation:

When videos are streamed, they are transmitted as digital signals. Digital signals can be accurately reproduced and are less prone to degradation compared to analog signals. Analog signals can lose quality over transmission due to noise and interference. Options A and B mention receiving signals, but the key aspect for excellent - quality streaming is the transmission method. Option C (analog transmission) is incorrect as analog signals are not suitable for high - quality streaming.

Answer:

D. They are transmitted using digital signals.