Each part has a specific function. Before we discuss the control unit and the arithmetic/logic unit in detail, we need to consider data storage and its relationship to the central processing unit. Computers use two types of storage: Primary storage and secondary storage.
With a worldwide box-office gross of over $2.7 billion, Avatar is often proclaimed to be the highest-grossing film, but such claims usually refer to theatrical revenues only and do not take into account home video and television income, which can form a significant portion of a film's earnings.
According to an IMAX press release, this marks a first for the company, with Avatar ratcheting up the global IMAX box office total for the film to $228 million. Not bad for a film that was one of the most expensive movies of all time at a cost of $300 million.