↑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 ...
The computers and other tech devices your company uses rely on a handful of basic technologies. One of them is the memory, which is where your software does what it does. There's a whole alphabet soup ...
前几天偶然之间与同事谈论到ROM,RAM,FLASH一些知识,而突然之间当我们去说这些英文单词的话还真是粗浅的知道,而在我们当中的MCU一些含义也不甚清楚,索性今天晚上就来汇总这方面的知识。 ROM和RAM指的都是半导体存储器,ROM是Read Only Memory的缩写,RAM是Random ...
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 ...
The term memory applies to any electronic component capable of temporarily storing data. This article will explain the different categories of memory, the technical characteristics of memory, and the ...
A computer’s basic input/output system (BIOS) is a program that’s stored in nonvolatile memory such as read-only memory (ROM) or flash memory, making it firmware. The BIOS (sometimes called ROM BIOS) ...