These two terms dominate the marketing, so let us be plain about them.
Basic cookers have a heating plate at the bottom and a thermostat. When the water has boiled away and the temperature rises, the cooker clicks over to warm. It is simple, cheap and perfectly capable of making good rice, which is how many Vietnamese households have cooked for decades.
Fuzzy logic cookers use a small processor and sensors to adjust heating during the cycle. The manufacturers say this compensates for small errors in water amount and gives more even results. That claim comes from the makers; it is plausible, and for a careful cook it makes less difference than the label suggests.
Induction heating (IH) cookers heat the pot directly with an electromagnetic coil rather than from a plate beneath it. The manufacturers say this gives more even heat around the pot and more control. Again, a plausible claim, and again one made by the people selling the machine.
What do these features change in practice? They matter most when you cook different grains and want specific textures, or when you cook for a big family every day. If you cook one pot of white rice a day, a basic cooker is enough.