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  1. Há 23 horas · e. An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...

  2. Há 23 horas · Howard Hughes. Howard Robard Hughes Jr. (December 24, 1905 – April 5, 1976) was an American aerospace engineer, business magnate, film producer, investor, philanthropist, and pilot. [2] He was best known during his lifetime as one of the richest and most influential people in the world. He first became prominent as a film producer, and then ...