Shulou(Shulou.com)06/02 Report--

This article mainly introduces the difference between semiconductor read-only memory and semiconductor random access memory, which can be used for reference by friends who need it. I hope you will learn a lot after reading this article. Next, let the editor take you to learn about it.

The main difference is that semiconductor read-only memory ROM can store information permanently, while semiconductor random access memory RAM will lose information after power off. The characteristic of ROM is that it can only read but not write information; and the content will not be lost after power-off, and will be automatically restored after power-up. RAM is characterized by fast reading and writing, and the biggest deficiency is that the content disappears immediately after the power is cut off.

The main difference between semiconductor read-only memory (ROM) and semiconductor random access memory (RAM) is that ROM can store information permanently, and RAM will lose information after power off.

Read-only memory (ROM) and random access memory (RAM) belong to internal memory (memory). Read-only memory (ROM) is characterized by the following two points.

① can only read the original content (in memory), but cannot modify it, that is, it can only read but not write.

The content of ② will not be lost after power-off, and will be automatically restored after power-up, that is, it is non-volatile.

Random access memory (RAM) is characterized by fast reading and writing speed, and the biggest deficiency is that the contents disappear immediately after power outage, that is, it is volatile.

Extended data:

Read-only memory (Read-Only Memory,ROM) operates in a non-destructive readout mode and can only read out information that cannot be written. Once the information is written, it is fixed, and even if the power is cut off, the information will not be lost, so it is also called fixed memory. The data stored in ROM is usually written before loading into the whole machine, and can only be read out during the working process of the whole machine, unlike random access memory (RAM), which can quickly and easily rewrite the storage content. The data stored in ROM is stable, and the data stored after power outage will not change, and the structure is simple and easy to use, so it is often used to store a variety of fixed programs and data.

Random access memory (Random Access Memory, abbreviation: RAM), also known as main memory, is an internal memory that exchanges data directly with CPU. It can be read and written at any time (except when refreshed), is fast, and is usually used as a temporary data storage medium for the operating system or other running programs. RAM can write (store) or read (read) information from any specified address at any time while working. The biggest difference between it and ROM is the volatility of data, that is, the data stored in the event of a power outage will be lost. RAM is used in computers and digital systems to temporarily store programs, data, and intermediate results.

Thank you for reading this article carefully. I hope it is helpful for everyone to share the difference between semiconductor read-only memory and semiconductor random access memory. At the same time, I also hope that you can support it, pay attention to the industry information channel, and find out if you encounter problems. Detailed solutions are waiting for you to learn!

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