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May 21, 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.

May 20, 2025

airpods waterproof, how waterproof

AirPods are a line of wireless headphones produced by Apple and are widely popular. Although airpods are waterproof, they are not completely waterproof.

May 19, 2025

What does the server mean

Many people may not know what the server means, but it must be familiar to computer enthusiasts. Generally, it is difficult for us to see the real server, because the server is generally placed at the key of the computer room, and the idle people are generally not allowed to enter. So speaking of the server, many friends who have not contacted with it feel very strange. Here is a detailed introduction to what the server means.

May 18, 2025

How to solve the problem of computer blue screen? What about the blue screen of the computer?

How to solve the problem of computer blue screen? First of all, find out the reasons for the blue screen of the computer. There are many reasons for the blue screen of the computer, such as the excessive overclocking of the computer, the poor contact of the memory module or the damage of the memory, the failure of the hard disk, the failure of the hard disk, and the non existence of the installed software. This article will introduce and analyze the causes and solutions of the blue screen phenomenon one by one.

May 17, 2025

How is fingerprint recognition achieved?

As an advanced means of identity verification and access control, fingerprint recognition technology has been widely used in various fields with the advantages of uniqueness, convenience and high security.

May 16, 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.

May 15, 2025

What is the subnet mask

Subnet mask is also called network mask, address mask and subnet mask. It is used to indicate which bits of an IP address identify the subnet where the host is located and which bits identify the bit mask of the host. The subnet mask cannot exist alone. It must be used in combination with the IP address. The subnet mask has only one function, which is to divide an IP address into two parts: network address and host address. The subnet mask is the basic knowledge that everyone who uses the Internet must master. Only by mastering it can you truly understand the TCP/IP protocol settings. Let's explain what subnet mask is in simple terms.

May 14, 2025

Internet era! How to prevent personal information leakage

With the advent of the information explosion era, as long as an inadvertent action may leak information.

May 13, 2025

Cell phone "a daily charge" and "no power to recharge", which is more harmful to the battery?

Cell phone battery is an important part of the phone, and its life and capacity directly affect the experience of using the phone. So, how should we charge the phone properly?