How Can One Person Make a Computer Think?

Imagine you're trying to teach a dog new tricks. You show it what you want it to do, and every time it gets it right, you give it a treat. Teaching a computer is kind of like that, you show it examples, and then it learns the pattern so it can figure out answers on its own. Just like how your dog starts doing tricks without being told, computers start solving problems after learning from lots of examples.