Category: Encyclopedia

Apr 02, 2025

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.
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Apr 01, 2025

What is IMEI code

IMEI code, namely the serial number of the mobile phone. It is the abbreviation of International Mobile Equipment Identity. Like the identity card of a mobile phone, it is used to help identify the identity of a mobile phone. Each mobile phone has only one serial number, which is not the same. We usually match the serial number displayed after pressing the "* # 06 #" key on the mobile phone with the barcode on the mobile phone box and the serial number in the back of the mobile phone after removing the electric board. If the three are the same, it is more likely to be genuine goods (not excluding second-hand goods).
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Mar 31, 2025

Wireless charging principle

The principle of wireless charging is through near-field induction, the wireless charging device conducts energy to the charging terminal device, and then the terminal device converts the received energy into electrical energy and stores it in the device's battery.
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Mar 30, 2025

What is the reason for the computer card? How to deal with the computer card?

What is the reason for the computer card? How to deal with the computer card? Here are the main reasons why computers are getting more and more stuck
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Mar 29, 2025

How often should the router be turned off?

Router in the process of use, will produce a lot of junk files, we need to regularly clean up these cache, so as to improve the network speed, if not shut down for a long time as more and more of this junk, the operating speed will be reduced.
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Mar 28, 2025

What is Chip?

A chip is a tiny circuit board made of semiconductor materials such as silicon on which a large number of electronic components, such as transistors, capacitors, resistors, etc., are integrated.
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Mar 27, 2025

What is resolution? What does resolution mean?

This word is believed that as long as you are familiar with the digital field, you will not be unfamiliar with it. Resolution is the precision of screen image, which refers to the number of pixels displayed by the display. Since the dots, lines and surfaces on the screen are all composed of pixels, the more pixels the display can display, the finer the picture will be, and the more information can be displayed in the same screen area, so the resolution is one of the very important performance indicators. The whole image can be thought of as a large chessboard, and the resolution is expressed by the number of intersection points of all longitude and latitude lines.
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Mar 26, 2025

What is Qualcomm three carrier aggregation

The mobile network has become a part of our daily life. Mobile phones can't leave the mobile network without sending WeChat messages to watch live games. However, many users will find that some mobile phones need to cache and play games when watching live broadcasts, but some mobile phones do not. Even if you use the same operator's network, the transmission speed of the mobile phone network will vary greatly at the same time and place. What? This may be because your phone does not support carrier aggregation. What is carrier aggregation? Next, we will introduce the carrier aggregation technology and the application of high pass carrier aggregation technology in detail.
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Mar 25, 2025

What is a digital showroom?

With the development of holographic projection technology, the introduction of multimedia interactive technology in the construction of corporate exhibition halls, focusing on intelligent multimedia interaction, immersive participation experience, and the visual sense of science and technology, the digital exhibition hall brings a novel sense of participation and interaction to people.
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Mar 24, 2025

What is the difference between power adapter and charger

The working principle of power adapter and charger is the same, both use the principle of AC power conversion to convert AC power into DC power to meet the power needs of the device.
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