When was Apple Computer founded?

Man: Have you ever heard of these companies: Apple Computer, Atari, and the Federal Express Corporation?
Woman: Yes, I’ve heard of these.
Man: Do you know anything about the men who started them?
Woman: No, I don’t.
Man: Well, Steven Jobs was a twenty—one—year—old college dropout when he and a friend started Apple Computer in 1977．Today he is a very rich man, worth more than $ 150 million.
Woman: And what about Atari?
Man: Nolan Bushnell, the man who started Atari, became rich and famous in 1972 when he invented Pong, the first video game. At that time he was twenty years old. In 1976 he sold Atari for $28 million.
Woman: What about the third company?
Man: The third company, Federal Express, delivers packages anywhere in the United States in twenty-four hours or less. Its president is Frederic Smith. He is forty-one years old. This young company is worth more than $600 million.
Woman: What do Steven Jobs, Nolan Bushnell, and Frederic Smith have in common?
Man: Well, to begin with, they are all relatively young. Second, they are all rich; and, most important, each of them became rich by doing something that no other person had done before.