Difference between analog and digital signal
The main difference between the two signals is that analog signals are continuous signals and whereas digital signals are discrete signals.

No. | Analog Signal | Digital Signal |
---|---|---|
1 | Analog signals are continuous | Digital signals are discrete signals |
2 | Analog signals can be affected by the noise during the transmission. | Digital signals can not be affected by the noise during the transmission. |
3 | The accuracy of the signal can be affected by noise | The accuracy of the signal can not be affected by noise |
4 | A device using analog signals is less flexible | A device using analog signals is more flexible |
5 | Analog Signal consumes less bandwidth. | Digital Signal consumes more bandwidth. |
6 | It’s stored as a continuous waveform. | It’s stored in binary form like 0 or 1. |
7 | Analog signals have a low cost. | Digital signals have a high cost. |
8 | Analog signals are postable. | Digital signals are non-portable. |
9 | Analog signal gives observation error | The digital signal will not give any observation error. |
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