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 u盘与内存区别
- 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03月29日 00:00:00
【u盘内存】U盘和内存一样都是我们常用的存储工具，那么它们之间存在什么异同之处呢？让装机吧的小编来给大家介绍一下吧。
U盘即USB盘的简称，而优盘只是U盘的谐音称呼。U盘是闪存的一种，因此也叫闪盘（闪盘和u盘的区别：http://www.kkzj.com/）。
特点就是：小巧便于携带、存储容量大、价格不贵。是主要的移动存储设备之一。
现在一般U盘容量有1G、2G、4G、8G、16G或更大，价格也比较便宜。
简单的说U盘就是随身的存储工具，插上电脑USB口就能用，而内存卡必须借助读卡器才能连上电脑，同样U盘没法在手机等数码产品上使用。存储介质是一样的（闪存），用处不一样，不存在说哪个更好哪个不好 。如手机你不可能买个U盘去当内存用，一样的你要随身带的移动存储那肯定选U盘，它携带方便，我们可以把它挂在胸前、吊在钥匙串上、甚至放进钱包里。当然也有人用内存卡+读卡器当U盘用的
这里要提醒大家一下的是：内存卡一但损坏里面的数据极难恢复，而U盘找专业恢复还是有可能找回数据的，所以不太建议用内存卡保存重要的数据，平时用用当然是没问题的。
内存卡极易损坏，因为那里面全是电路，而U盘内置了电路板，能释放静电，而内存卡对静电的免疫力低，稍大的电压就会将内存卡的电路击穿。所以内存卡放在手机里头安全点。手机里头线路板也有回路的，能释放静电（如何做好U盘的维护工作：http://www.kkzj.com/）。
说完内存卡，我们接着来说说内存条。
内存条是指连接CPU和其他设备的通道，起到缓冲和数据交换作用
一、内存条分为DRAM和ROM两种，前者又叫动态随机存储器，它的一个主要特征是断电后数据会丢失，我们平时说的内存条就是指这一种；后者又叫只读存储器，我们平时开机首先启动的是存于主板上ROM中的BIOS程序，然后再由它去调用硬盘中的Windows或Linux系统，ROM的一个主要特征是断电后数据不会丢失。
二、内存条的作用与分类内存是电脑中的主要部件，它是相对于外存而言的。我们平常使用的程序，如Windows系统、打字软件、游戏软件等，一般都是安装在硬盘等外存上的，但仅此是不能使用其功能的，必须把它们调入内存中运行，才能真正使用其功能，我们平时输入一段文字，或玩一个游戏，其实都是在内存中进行的。通常我们把要永久保存的、大量的数据存储在外存上，而把一些临时的或少量的数据和程序放在内存上。
责任编辑：装机吧小鱼 版权所有，转载请说明出处!
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U盘启动要知道的基础概念
下一篇：
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PE下不显示移动硬盘
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