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Mar 13, 2026

Why does the phone turn off when the remaining battery is not zero

If you have ever encountered a situation where your phone automatically shuts down when there is still 20% battery left, the following possible explanations may answer your questions.

Mar 12, 2026

What is a discrete graphics card

Discrete graphics card refers to a graphics card that exists as an independent board and needs to be inserted into the corresponding interface on the motherboard. Discrete graphics card has independent video memory, does not occupy system memory, and is technically ahead of integrated graphics card, which can provide better display effect and operating performance. Discrete graphics cards are divided into built-in discrete graphics cards and external graphics cards. As an important part of the computer host, the graphics card is very important for those who like to play games and engage in professional graphic design. At present, the suppliers of graphics chips for civilian graphics cards mainly include AMD (formerly ATI) and nVIDIA.

Mar 11, 2026

Apple phone into the water how to do? Four first aid measures to help you

Although the iPhone is also tested for water resistance, there are always exceptions. If the Apple phone is in water, these methods can help you.

Mar 10, 2026

What kind of technology is machine vision technology?

Machine vision technology aims to simulate and emulate the human visual system through algorithms and models that enable computers to "see" and understand information in images or videos.

Mar 09, 2026

A one-minute walk through the difference between a switch and a router

Switch, meaning "switch", is a network device used for electrical (optical) signal forwarding.

Mar 08, 2026

Which one to choose for mobile power? Analysis of the three major types of battery cells

With the popularity of a variety of smart phones, tablet machines, more and more people find that a variety of digital products, especially cell phones own power has been unable to meet the need for life time in daily use, and the emergence of mobile power can be said to a certain extent to solve the problem.

Mar 06, 2026

What are the advantages of full frame SLR camera

As we all know, using a camera to take pictures requires sensitive materials to record images. The sensitive material of traditional cameras is film, while the sensitive material of digital cameras is light sensitive elements (CCD or COMS). Compared with the area of 35mm film, if the size of the sensor area is close to or equal to that of 35mm film, it is a full frame size. The SLR camera with this size is a full frame SLR camera.

Mar 04, 2026

icloud space is always insufficient to do

iCloud as a cloud service provided by Apple, users can get 5GB of cloud space for free, if more than 5GB of space we need to buy space, then there is no other way to solve it?

Mar 03, 2026

What is cross-site scripting attack

Cross-site scripting attacks are a common network security vulnerability in which an attacker injects malicious scripting code into a trusted website, causing the browser to execute the malicious code on the user's end

Mar 02, 2026

Differences between SSDs and HDDs

SSDs have been sold for a long time. However, at present, mainstream installations are still purchasing traditional mechanical hard disks, while most SSDs are installed in high-end configurations. Due to the small capacity and high price of SSDs at present, few mainstream users choose SSDs. However, with the development of technology, it is also a trend that SSDs gradually become mainstream. Next, we will introduce the advantages of SSDs and the differences between SSDs and ordinary HDDs.