蔡国庆
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Estimating CPU Performance Using Amdahl's Law
If you are in the market for a new computer, or thinking of upgrading your current system, choosing...
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Do Video Games Make You Violent? An In
Early last year, seventy French university students sat down in a room. A group of scientists told t...
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Sound Cards: Worth Buying or Just a Niche Product?
So you've gone through your checklist of components you want to purchase for building your new PC. Y...
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The Best Video Game Handguns
If you've played video games, you've encountered a handgun. In the right game, a handgun can be an o...
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Ever Wonder How the Shazam Algorithm Works?
Your phone's ability to identify any song it listens to is pure technological magic. In this article...
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How to Remotely Sign Out of Gmail on Multiple Devices
There are many situations in which your Gmail account could be inadvertently exposed to prying eyes,...
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Productivity on a $200 Chromebook, Coming From an Enthusiast Desktop
There's no denying that a desktop PC is the ideal place to handle a heavy productivity session. That...
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Then and Now: 5 Generations of GeForce Graphics Compared
It may not seem like it, but we've been gaming on DirectX 11 graphics hardware for half a decade. Th...
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How Much RAM? 4GB vs. 8GB vs. 16GB Performance
Editor's Note:An update to this article has been posted here.Intel Skylake processors will be about...
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Why Do Image Files Need Different Formats?
Most of your digital photos are stored in the JPEG format (a.k.a. JPG), but when you download an ima...
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Explainer: What is Chip Binning?
You just bought a new CPU or graphics card, and fired it up in your PC. It seems to run pretty cool,...