Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 内存传输类型小知识
- 分类:win8 发布时间: Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2013年07月30日 00:00:00
1) SDRAM
SDRAM 不仅应用在内存上,在显存上也较为常见。SDRAM,即 Synchronous DRAM(同步动态随机存储器),曾经是 PC 电脑上最为广泛应用的一种内存类型,即便在今天,SDRAM 仍旧还在市场占有一席之地。既然是“同步动态随机存储器”,那就代表着它的工作速度是与系统总线速度同步的。
SDRAM 内存又分为 PC66、PC100、PC133 等不同规格,而规格后面的数字,就代表着该内存最大所能正常工作的系统总线速度,如 PC100,那就说明此内存可以在系统总线为 100MHz 的电脑中同步工作。
2) DDR
确切的说,DDR 应该叫 DDR SDRAM,人们习惯称为 DDR。部分初学者也常看到 DDR SDRAM,就认为是 SDRAM。DDR SDRAM 是 Double Data Rate SDRAM 的缩写,是双倍速率同步动态随机存储器的意思。
DDR 内存是在 SDRAM 内存的基础上发展而来的,仍然沿用 SDRAM 生产体系。因此,对于内存(什么是闪存:http://www.kkzj.com/)厂商而言,只需对制造普通 SDRAM 的设备稍加改进,即可实现 DDR 内存的生产,可有效的降低成本。
SDRAM 在一个时钟周期内只传输一次数据,它是在时钟的上升期进行数据传输;而 DDR 内存则是一个时钟周期内传输两次数据,它能够在时钟的上升期和下降期各传输一次数据。因此,称为双倍速率同步动态随机存储器。DDR 内存可以在与 SDRAM 相同的总线频率下,达到更高的数据传输率。
3) RDRAM
RDRAM(Rambus DRAM)是美国的 RAMBUS 公司开发的一种内存。与 DDR 和 SDRAM 不同,它采用了串行的数据传输模式。在推出时,因为其彻底改变了内存的传输模式,无法保证与原有的制造工艺相兼容,而且内存厂商要生产 RDRAM,还必须要加纳一定专利费用,再加上其本身制造成本,就导致了 RDRAM 从一问世就高昂的价格,让普通用户无法接收。而同时期的 DDR 则能以较低的价格,不错的性能,逐渐成为主流,虽然 RDRAM 曾受到英特尔公司的大力支持,但始终没有成为主流。
RDRAM 的数据存储位宽是 16 位,远低于 DDR 和 SDRAM 的 64 位。但在频率方面,则远远高于二者,可以达到 400MHz 乃至更高。同样也是在一个时钟周期内传输两次次数据,能够在时钟的上升期和下降期各传输一次数据,内存带宽能达到 1.6Gbyte/s。
责任编辑:u.125315.com 版权所有,转载请说明出处!
猜您喜欢
- win732系统安装教程2017/04/01
- win8系统纯净版下载2016/11/12
- 硬盘分区教程,详细教您xp系统硬盘分区..2018/10/16
- 为你解答自己组装电脑配置清单..2018/12/17
- 搜索不到蓝牙耳机,详细教您手机搜索不..2018/09/06
- 小白教你解决手机usb连接电脑没反应..2017/10/26
相关推荐
-
Warning: Use of undefined constant islast - assumed 'islast' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 296
Warning: Use of undefined constant tbname - assumed 'tbname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 305
Warning: Use of undefined constant modid - assumed 'modid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 306
Warning: Use of undefined constant yhid - assumed 'yhid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 307
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673
Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673
Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418
Warning: Use of undefined constant wburl - assumed 'wburl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423
Warning: Use of undefined constant listdt - assumed 'listdt' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428
Warning: Use of undefined constant classurl - assumed 'classurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428
Warning: Use of undefined constant newsurl - assumed 'newsurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434
Warning: Use of undefined constant classpath - assumed 'classpath' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436
Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439
Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439
- u盘启动盘制作工具哪个好用?详细教您.. 2018-11-02 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant wburl - assumed 'wburl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant listdt - assumed 'listdt' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant classurl - assumed 'classurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant newsurl - assumed 'newsurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classpath - assumed 'classpath' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439
- 手把手教你电脑怎么安装打印机驱动.. 2018-11-28 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant wburl - assumed 'wburl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant listdt - assumed 'listdt' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant classurl - assumed 'classurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant newsurl - assumed 'newsurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classpath - assumed 'classpath' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439
- 小编教你电脑不能关机怎么办.. 2017-12-09 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant wburl - assumed 'wburl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant listdt - assumed 'listdt' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant classurl - assumed 'classurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant newsurl - assumed 'newsurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classpath - assumed 'classpath' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439
- 电脑键盘快捷键,详细教您电脑键盘快捷.. 2018-06-30 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant wburl - assumed 'wburl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant listdt - assumed 'listdt' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant classurl - assumed 'classurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant newsurl - assumed 'newsurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classpath - assumed 'classpath' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439
- 联想一键恢复,详细教您怎么使用联想电.. 2017-12-27 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/t_functions.php on line 673 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant wburl - assumed 'wburl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2418 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant listdt - assumed 'listdt' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2423 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant classurl - assumed 'classurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2428 Warning: Use of undefined constant newsurl - assumed 'newsurl' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classpath - assumed 'classpath' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2434 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2436 Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439 Warning: Use of undefined constant bname - assumed 'bname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/class/connect.php on line 2439
- 电脑卡怎么办,详细教您电脑卡怎么解决.. 2018-05-30