Physics for IGCSE & O level - Rays And Waves (Section 7 - No. 33)
What advantages do digital signals have over analog signals?
Signals can be amplified
Signals are less affected by noise
Higher quality reproduction
All of the above
คำอธิบาย
Digital signals are less affected by noise, can be 'cleaned up' and amplified as they travel, and lead to higher quality reproduction.