DMA

Chinese translation: 直接内存存取

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:DMA
Chinese translation:直接内存存取
Entered by: Nan Li

18:02 Mar 4, 2021
English to Chinese translations [PRO]
Tech/Engineering - Computers (general)
English term or phrase: DMA
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!
Nan Li
Canada
直接内存存取
Explanation:
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。
Selected response from:

3178118 (X)
Ireland
Local time: 10:03
Grading comment
谢谢
4 KudoZ points were awarded for this answer



Summary of answers provided
5Dynamic Memory Allocation 动态内存分配
Kiet Bach
4直接内存存取
3178118 (X)


Discussion entries: 1





  

Answers


1 day 45 mins   confidence: Answerer confidence 5/5
dma
Dynamic Memory Allocation 动态内存分配


Explanation:
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

Kiet Bach
United States
Local time: 03:03
Specializes in field
Native speaker of: Native in ChineseChinese
PRO pts in category: 4
Login to enter a peer comment (or grade)

10 days   confidence: Answerer confidence 4/5Answerer confidence 4/5
dma
直接内存存取


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

    Reference: http://www.jianshu.com/p/35b5d7880080
3178118 (X)
Ireland
Local time: 10:03
Specializes in field
Native speaker of: Native in ChineseChinese
PRO pts in category: 8
Grading comment
谢谢
Login to enter a peer comment (or grade)



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