Glossary entry

English term or phrase:

DMA

Chinese translation:

直接内存存取

Added to glossary by Nan Li
Mar 4, 2021 18:02
3 yrs ago
13 viewers *
English term

DMA

English to Chinese Tech/Engineering Computers (general)
计算机相关的专业概念,请问全称和中文翻译应该是什么?可以给出简要解释吗?谢谢!
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Discussion

clearwater Mar 6, 2021:
大概率指:
直接存储器存取(direct memory access)

Proposed translations

10 days
Selected

直接内存存取

应该是直接内存存取,即direct memory access。

DMA(Direct Memory Access,直接内存存取) 是所有现代电脑的重要特色,它允许不同速度的硬件装置来沟通,而不需要依赖于 CPU 的大量中断负载。否则,CPU 需要从来源把每一片段的资料复制到暂存器,然后把它们再次写回到新的地方。在这个时间中,CPU 对于其他的工作来说就无法使用。
Example sentence:

DMA(Direct Memory Access,直接内存存取) 是所有现代电脑的重要特色。

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4 KudoZ points awarded for this answer. Comment: "谢谢"
1 day 45 mins

Dynamic Memory Allocation 动态内存分配

为了解决上述问题,C++ 提供了一种“动态内存分配”机制,使得程序可以在运行期间,根据实际需要,要求操作系统临时分配一片内存空间用于存放数据。此种内存分配是在程序运行中进行的,而不是在编译时就确定的,因此称为“动态内存分配”。
http://c.biancheng.net/view/206.html

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Note added at 1 day 13 hrs (2021-03-06 07:09:01 GMT)
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Dynamic memory allocation (DMA) in C Programming
https://www.programtopia.net/c-programming/docs/dynamic-memo...

也可能是:Direct Memory Access,直接内存存取 / 直接存储器存取 / 直接内存访问
https://en.wikipedia.org/wiki/Direct_memory_access
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