passive memory device

09:36 May 8, 2014 

IBM 也用被动／主动

http://pic.dhe.ibm.com/infocenter/iisinfsv/v8r7/index.jsp?to...

中国X技術网址也用 ‘被动’ 于有关记忆卡的装置：
http://www.xjishu.com/zhuanli/55/03244302.html

09:19 May 8, 2014 

Aspect 是一家软件公司

Aspect and certain service providers operating on our behalf use cookies, Web bugs and IP addresses ("Passive Tracking Devices") to automatically collect aggregate and anonymous statistics about your activity on the Web site. If you have provided your contact information to us, we may also use Passive Tracking Devices to collect information about your activity on the Web site and use that information to provide you with information about Aspect's products and services that may be of particular interest.

http://zipwire.aspect.com/privacy-policy/

09:06 May 8, 2014 

例句：The computing literature often draws a sharp distinction between input and output; computer scientists are used to regarding a screen as a passive output device and a mouse as a pure input device.

例句来自此美国研究链结 － 大意是：电脑屛幕是一种被动输出装置，而滑鼠是纯输入装置。
http://research.microsoft.com/en-us/um/people/kenh/all-publi...

08:47 May 8, 2014 

A passive device = A unit of a computer which cannot itself initiate a request for communication with another device, but which honors such a request from another device.

http://encyclopedia2.thefreedictionary.com/passive device

如果这个和计算机有关的英文解释是正确的话，那么 passive memory device 和有没有带电源就没有关系。

Randy 和 Brunoccj 的建议可能比较准确。