All modern devices (e.g., mobile phones, calculators, laptops, etc.) use digital signals for their working. Why is digital signal used?

Digital signals are used because they are less susceptible to noise and interference, provide greater accuracy, and can be easily processed and stored using binary systems (0s and 1s). Related Questions: What are free electrons? How can you say that cathode rays are negatively charged? Why is the image distorted when a magnet is brought … Read more