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.
Category: Encyclopedia
The difference between nfc and Bluetooth
Cell phone NFC and Bluetooth has now been very widely used, the principle is the radio transmission technology, but they have a fundamental difference.
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.
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?
Laptop temperature high how to do
Laptop temperature is too high will lead to switching or open the program relatively lag, serious will make the computer blue screen or automatic restart.
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.
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.
What are the benefits of using SSD in laptops
Want to know what the benefits of using SSD in laptops are? First, we need to understand what a SSD is. The following content will give you a detailed explanation of what the SSD is.
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.
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.
