QEMU is an open source emulator for complete computer systems as well as providing a complete virtualization solution (via emulation).

QEMU 是全计算机系统的开源模拟器，还提供完全的虚拟化解决方案（通过模拟）。

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It runs much faster on a real computer than in the emulator.

在电脑上要比模拟器上运行快很多。

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Now, the Package Installer will open. You can choose what you want to install, and then click install to begin installing the Android emulator on your computer.

现在软件安装包将打开，你可以选择想要安装的程序，然后点击安装，开始在你的电脑上安装Android模拟器。

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The applications received by Monday, which must work successfully on an "emulator" or computer model of Android, likely run the gamut from productivity to entertainment, with plenty of games, location-specific services and applications aimed at helping keep people organized.

FORBES: Magazine Article

For answers to questions about upgrading to Windows XP without buying a new computer, Microsoft's MP3 audio quality and running PC programs on an emulator, check out my Mossberg's Mailbox column in Tech Center.

WSJ: Apple Brings Flair To Its MP3 Player