Is It a Good Idea to Define Intelligence?

The central drift of your question is fairly uncontroversial in science. It's safe to assume that everything we know and notice about the mind from the first person side, as a matter of experience, no you know what it's like to be us. All of that is a product of what our brains as physical information processing systems are doing. Our brains are essentially computers made of meat. That are all that's similar to the computers we currently call computers....