The CPU can request data from an I/O controller, o...

Q: The CPU can request data from an I/O controller, one byte at a time, but by doing so, it wastes a large chunk of the CPU. Another way of accomplishing the same work without this waste is:

A) By using the cache memory. | B) By using an operating system interrupt control. | C) By using a direct memory access, but only if the hardware has this controller. | D) By using a direct processor access without using any memory. | E) By using the operating system scheduler.

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Ano: 2018Banca: INSTITUTO AOCPOrganização: PRODEBDisciplina: Língua InglesaTemas: Compreensão de Texto

The CPU can request data from an I/O controller, one byte at a time, but by doing so, it wastes a large chunk of the CPU. Another way of accomplishing the same work without this waste is:

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The CPU can request data from an I/O controller, one byte at a time...

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