↑点击上方蓝色字体,关注“嵌入式软件实战派”获得更多精彩内容。 前段时间面试了一个小伙子,他有三四年嵌入式软件开发经验的了,随意问了一个问题: MCU软件的变量是存在哪的,RAM还是ROM? 他犹豫了会,说是ROM。 接着我问他RAM和ROM有什么区别,他“呃 ...
在智能手机还没有普及的年代,人们购买手机很少人会去关注手机的硬件配置,更不会有多少人去关心硬件配置中ROM和RAM的大小,但是随着目前智能手机爆发式的增长,越来越多人开始关注手机的硬件,因为硬件水平目前在很大程度上会制约手机的用户体验 ...
ROM和RAM指的都是半导体存储器,ROM是Read Only Memory的缩写,RAM是Random Access Memory的缩写。ROM在系统停止供电的时候仍然可以保持数据,而RAM通常都是在掉电之后就丢失数据,典型的RAM就是计算机的内存。 RAM有两大类,一种称为静态RAM(Static RAM/SRAM),SRAM速度非常快 ...
In the early days of computing, the difference between RAM and ROM was very clear. Random access memory (RAM) was designed to hold data while the computer was turned on and to lose it when the power ...
随着电子技术的发展,我们会经常听到ROM、RAM这种词汇。RAM指的是随机存取存储器,是Random Access Memory首字母缩写。特点是能够与CPU直接进行数据交互,存储着局部变量数据。ROM指的是只读存储器,是Read-Only Memory的首字母缩写。数据写入后只能读取,掉电不丢失。
一、ROM:只读存储器,内容写入后就不能更改了,制造成本比较低,常用于电脑中的开机启动如启动光盘bios,在系统装好的电脑上时,计算机将C盘目录下的操作系统文件读取至内存,然后通过cpu调用各种配件进行工作这时系统存放存储器为RAM。 PROM:可编程程序 ...
What Are The Difference Between Ram And Rom? RAM (Random Access Memory) is a type of memory that temporarily stores the data you're currently using, but it's volatile, meaning its contents are erased ...
Q: It’s time for me to upgrade so I’m trying to configure a new PC, but am getting confused at the difference between RAM and storage. Aren’t SSD drives comprised of RAM memory too? A: It used to be ...
Like peanut butter and jelly, like salt and pepper, like that seemingly perfect couple you love (to hate), the two dominant types of computer memory truly complete one another. Read-only memory (ROM) ...
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