Digital vs AnalogueHardQuestion 20271
Question
Advantages of digital circuits over analogue include:
- ALower power consumption always
- BNoise immunity — small noise doesn't flip 0/1; easy storage; reproducibility; programmabilityCorrect
- CHigher frequency operation always
- DSimpler circuits for all applications
Correct answer
Noise immunity — small noise doesn't flip 0/1; easy storage; reproducibility; programmability
Explanation
Digital signals (0/1) are robust against noise because a wide margin exists between logic levels. Analogue signals degrade with every amplification stage. Digital systems are also easy to store, copy, process, and program — making them preferable for computation and communication.