What does clearing cache mean?

Clearing the cache refers to cleaning up the temporary files left behind after the software works, completely deleting them from the memory to free up more space. As the name suggests, the cache is a buffer for data interaction. The cache is a part of the CPU. It exists in the CPU. The CPU accesses data very fast, but the memory is much slower. The cache is to solve the problem of the speed of the CPU speed and the memory speed. Difference problem; however, too much cached data will lead to less available space on the phone and slower operation, so the cache needs to be cleared.

The operating environment of this tutorial: HarmonyOS 2 system, HONOR V30 mobile phone.

Once the phone slows down, we all know that clearing the cache can effectively improve the speed. But what does caching mean?

Cache, as the name suggests, is a buffer for data interaction. The cache is a part of the CPU. It exists in the CPU. The CPU accesses data very fast, but the memory is much slower. The cache is In order to solve the problem of speed difference between CPU speed and memory speed.

When we open a file, the system will copy the data from the memory to a buffer. When the file is opened again, the system will directly read the data in the cache, so there is no need to read it from the memory. , so that browsing files will be faster.

For example: APP will store some frequently used access data locally on the phone, such as videos, format files, etc. When the APP needs to use it, it can directly access it from the local flash memory of the phone. Read these data to improve operating efficiency.

What is the use of cache? Why is it said that it takes up the most memory?

01. Improve user experience and save time

When using an application, the system will automatically save part of the application to the mobile phone, and it can be quickly loaded when it needs to be opened next time Content that was cached last time without having to re-download it.

Reduces the user’s waiting time, improves the user experience, and makes application use smoother. These cached contents will be stored on the phone for a long time as long as they are not actively cleared.

02. Reduce traffic consumption

The content loaded in the APP is basically fixed, such as music software, as long as the music you have listened to will be cached. The next time you want to listen, you can listen without turning on the Internet, which reduces data consumption. But the memory of every mobile phone is limited.

When the memory is close to saturation, the phone will run laggy. Social apps cache a lot of content and take up a lot of memory. In addition, it can also be used for offline office work, offline entertainment, etc. In addition to the disadvantage of occupying memory, cache still has many advantages.

What does clearing cache mean? How to clear the cache?

Clearing the cache refers to cleaning up the temporary files left behind after the software works, completely deleting them from the memory, and freeing up more space;

Due to reality, we There are more and more places where mobile phones are used in life, so this will cause the mobile phone to display insufficient memory after a short period of use. At this time, many friends will manually clean up the memory, but when faced with folders all in English, they don’t know where to start. Let’s learn about some folders that can be deleted.

1.Alipay

This word represents Alipay, and this file naturally contains some data of Alipay. We use it almost every day, but most of it is for shopping payments or other small payments. So there will be a lot of payment data and the like, and of course it will take up a lot of memory, so it can be cleaned up regularly. However, if you have very important transaction records, you should be cautious

2.Backups

The word means backup, so this folder stores some backup data. If you have no plans to restore factory settings in the near future, or you have already made a cloud backup. You can delete this folder directly without any adverse effects on your phone.

3.Cache

If you insist on translating this word, it means cache. In other words, this folder stores some garbage cached when the phone is running, and can be deleted directly.

4.DCIW

Many friends may know that this folder means a photo album, which stores photos and videos on the phone. In fact, not all of them were taken or downloaded by ourselves. They may also be automatically cached by browsing the web or some applications. So we can click in and clean it carefully, or save the useful ones in the cloud or USB flash drive, and then delete them directly.

If you are not that troublesome, you can go to the App Store to install [Clean Video Editor], and then compress and save the video, which can also save a lot of memory.

5.Temp

This word is actually the abbreviation of temporary, which means temporary. What is saved is some cached data of our web browsing, if you often use the web to read novels, or like to use the web to browse. It is recommended to clean this folder regularly to free up a lot of memory.

6.Android

Everyone should know that this means Android. In fact, this folder takes up the most memory. If you delete it, you can free up at least several gigabytes, and some can even free up more than ten gigabytes. However, this folder cannot be deleted randomly, because after the editor personally tried to delete it, I found nothing wrong with it for the time being. However, my mobile game (Honor of Kings) needs to be re-downloaded before it can be opened. Therefore, whether to delete this folder needs to be carefully considered.

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