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Alina [70]
2 years ago
9

Which of the following statements is true for DMA: (only one correct answer) A. In DMA, Processor checks status until the operat

ion is complete B. In DMA, Processor is interrupted when I/O module ready to execute data C. In DMA, no interrupt is produced D. In DMA, interrupt is sent when the task is completed E. None of the above
Computers and Technology
1 answer:
Ronch [10]2 years ago
6 0

Answer:

<u>D. In DMA, interrupt is sent when the task is completed</u>

Explanation:

Note, the term Direct Memory Access simply refers to a computer feature that allows hardware subsystems to directly access the main system memory of a computer, without any the aid of the central processing unit (CPU).

It is a fact that while the transfer process is ongoing, an interrupt (interrupt signal) is not sent until when the task is completed.

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Explanation:

Common cause variation is fluctuation caused by unknown factors resulting in a steady but random distribution of output around the average of the data.

Common-cause variation is the natural or expected variation in a process.

Common-cause variation is characterised by:

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It is a measure of the process potential, or how well the process can perform when special cause variation removed.

Common cause variation arises from external sources that are not inherent in the process and is where statistical quality control methods are most useful.

Statistical process control charts are used when trying to monitor and control 5- and 6-sigma quality levels.

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