↑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 ...

CPU(Central Processing Unit)，是一台计算机的运算核心和控制核心。CPU由运算器、控制器和寄存器及实现它们之间联系的数据、控制及状态的总线构成。众所周知的三级流水线：取址、译码、执行的对象就是CPU，差不多所有的CPU的运作原理可分为四个阶段：提取(Fetch ...

Random Access Memory (RAM) stores programs and data that is used by the CPU in real-time. The data can be read, written, and erased any number of times. RAM is a volatile memory, a hardware element ...

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 ...

“麻雀虽小五脏俱全”，这句话用来形容手机颇为合适。 别看只是一部小小的手机，能实现的功能却多得是。手机和电脑一样能实现强大的功能，里面包含了CPU、RAM、ROM、GPU、屏幕、摄像头、电池、传感器、射频芯片等零部件。本文中将为大家介绍手机内部比较 ...

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 ...

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 ...

Let us discuss this topic in more detail. 1] Hard Disk Drive (HDD) or Solid-State Drive (SSD) When it comes down to common computer memory, the hard disk drive is likely at the top of the list. If you ...