V2EX sdram

SDRAM

定义 Definition

SDRAM(Synchronous Dynamic Random-Access Memory)指同步动态随机存取存储器:一种与系统时钟同步工作的 DRAM,用于在计算机、嵌入式设备等中临时存放正在运行的数据与程序。常见于后来的 DDR SDRAM 等内存标准。(也可泛指“同步 DRAM”这一类内存技术。)

发音 Pronunciation (IPA)

/s di r m/

例句 Examples

SDRAM is used as main memory in many older PCs.
SDRAM 在许多较旧的个人电脑中被用作主内存。

Because SDRAM operates in sync with the system clock, it can improve performance compared with earlier asynchronous DRAM designs.
由于 SDRAM 与系统时钟同步运行,相比更早的异步 DRAM 设计,它可以提升性能。

词源 Etymology

SDRAM 是首字母缩略词,来自 Synchronous(同步的)+ Dynamic(动态的)+ Random-Access Memory(随机存取存储器)。其中“dynamic(动态)”指这类内存需要周期性刷新来保持数据。

相关词 Related Words

文学与著作 Literary Works

  • Computer Organization and Design(David A. Patterson, John L. Hennessy)在存储层次与主存章节中讨论 DRAM/SDRAM 等。
  • Modern Operating Systems(Andrew S. Tanenbaum)涉及主存与硬件内存技术背景时常提到相关术语。
  • Structured Computer Organization(Andrew S. Tanenbaum, Todd Austin)讲解存储器组织与 DRAM 家族时会出现 SDRAM。
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