Where Did the Name "Apple" Come From?

It's a simple answer, and Steve Jobs reveals it in the upcoming biography. He says he was “on one of my fruitarian diets.” He had returned from an Apple farm, and said the name sounded “fun, spirited and not intimidating”.

There you have it, it's a simple answer. It's also been previously rumored that the Apple was not only Steve's favorite fruit, but also his favorite food.
via CultOfMac