dma
dma — 名詞
1. a technique that lets a hardware device, like a printer or a graphics card, read
直接記憶存取
週邊設備直達記憶體的技術
a technique that lets a hardware device, like a printer or a graphics card, read from or write to the system memory directly, without the central processor handling every step of the data movement.
DMA allows the sound card to play music without bothering the main processor.
DMA 讓音效卡播放音樂時不必打擾主處理器。
DMA + verb: allows [device] to [action] without involving CPU
The graphics card uses DMA to send image data straight to the system memory.
顯示卡利用 DMA 將影像資料直接傳送到系統記憶體。
uses DMA + infinitive: uses DMA to [transfer data]
Without DMA, the processor would have to copy every byte from the printer by itself.
如果沒有 DMA，處理器就必須親自複製來自印表機的每一個位元組。
Niran enabled DMA on the hard drive to speed up file transfers between devices.
Niran 在硬碟上啟用了 DMA，以加快裝置之間的檔案傳輸速度。
Older computers performed poorly during large data reads because they lacked DMA support.
舊款電腦在讀取大量資料時效能不佳，因為它們不支援 DMA。
- direct memory access
the full form, used in formal or first-mention contexts
文法句型
DMA + verb
DMA + noun
用法筆記
DMA is an initialism for 'direct memory access' and is treated as an uncountable noun in technical writing. The full form is usually spelled out the first time it appears in a document.
常見錯誤
dma — 縮寫
1. a postgraduate academic degree in music that focuses on advanced performance, co
音樂藝術博士
音樂領域的博士學位
a postgraduate academic degree in music that focuses on advanced performance, composition, or conducting — often the highest degree a performer can earn, equivalent to a PhD in other fields.
Professor Layla Okonkwo holds a DMA in piano performance from the University of Michigan.
Layla Okonkwo 教授擁有密西根大學的鋼琴演奏 DMA 學位。
[Name] holds a DMA in [subject] from [institution]
After earning his DMA, Quinn taught advanced composition at the Boston Conservatory.
Quinn 拿到 DMA 之後，在波士頓音樂學院教授作曲。
The DMA program at Juilliard requires a public recital and a written thesis.
茱莉亞學院的 DMA 課程要求一場公開音樂會與一篇書面論文。
Felipe is applying for a DMA in orchestral conducting for the fall semester.
Felipe 正在申請下學期的管弦樂指揮 DMA 課程。
- Doctor of Musical Arts
the full form, used in formal contexts
文法句型
[Name], DMA
用法筆記
DMA (Doctor of Musical Arts) is written after a person's name as a title, e.g. 'Anong Chaiyasan, DMA.' It should not be confused with the PhD in Music, which is a research-oriented degree.