the signals

In or filled it's important and basic thing to understand what is the signal... 🔵The signal or what is called a sign is the variation in the quantity of electricity (usually voltage) over time. ⚪We have 3 main types of signals: ✅Analog signals : These signals vary continuously over time according to a mathematical law or any physical phenomenon like temperature, light, or sound. ✅Logical signals These are discrete signals that can take two values only (all or nothing), known as TOR (TOUT OU RIEN - Everything or Nothing). ✅Digital signals (Les signaux numériques): This type of signal is another kind of logical signal, but it only represents digital values, and is often transmitted in a series between two devices.
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