Digital/Analogue Signals [P]

Question 1

What is the difference between analogue and digital signals?

Answer 1

Analogue signals are waves which have different frequencies and wavelengths.
Digital signals are only have 2 states, on and off.

Question 2

Why are digital signals better than analogue?

Answer 2

Digital signals are less likely to be interfered with
Analogue signals are difficult to replicate.

Question 3

What is digital sampling?

Answer 3

When snapshots are taken of analogue waves and are converted to digital signal.

Question 4

Why are digital signals regenerated?

Answer 4

Reduce data loss
Maintain quality
Prevent degradation of signal