What is the hosts file? Where is the hosts file?

The hosts file is a file responsible for IP address and domain name express resolution in Windows system and is saved in ASCLL format.
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Do you know what 3D Mapping is?

3D Mapping is the core technology of outdoor architectural projection, which can project onto the surface of objects in any medium and turn the surface of the objects into animation to achieve a perfect integration of objects and animation, thus creating a strong sense of visual impact.
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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.
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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.
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Who is more secure, fingerprint recognition or password?

Fingerprint, security, password, identification Nowadays fingerprint recognition technology is not a new technology, not only smart phones, even the door locks at home have also started to use fingerprint recognition technology.
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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.
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What are the Wi-Fi password security levels?

After paying attention to the Wi-Fi signal strength you also need to pay attention to the Wi-Fi security level, which can help prevent information loss and even prevent scraping behavior.
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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?
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What exactly does a secure eject USB do?

When the "device in use" message appears when ejecting a USB flash drive, it is usually due to a program using files from the device. To do this, we need to close the program or window that is using the data on the USB drive and then try to eject it again.
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How does the camera work?

The working principle of the camera can be divided into four key steps: optical imaging, electrical signal conversion, digital signal processing and image output.
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