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.
In total, Cameron's directorial efforts have grossed approximately US$2 billion in North America and US$6 billion worldwide. Not adjusted for inflation, Cameron's Titanic and Avatar are the two highest-grossing films of all time at $2.19 billion and $2.78 billion respectively.