Files in lsp format can only be opened with autocad software. Android phone can be opened by downloading the corresponding version. AutoCAD software is an automatic computer-aided design software produced by Autodesk company in the United States. Can be used to draw two-dimensional drawings and basic three-dimensional design, do not know how to program can also draw automatically. Therefore, it is widely used all over the world, and can be used in many fields such as civil construction, decoration, industrial drawing, engineering drawing, electronic industry, garment processing and so on.
Android is a free and open source operating system based on Linux kernel (excluding GNU components). Mainly used in mobile devices, such as smart phones and tablets, led and developed by Google and open handset alliance. Android operating system was originally developed by andy rubin, which mainly supports mobile phones. In August 2005, it was acquired and funded by Google. From June 2007 to October 2007, Google and 84 hardware manufacturers, software developers and telecom operators set up open handset alliance to develop and improve the Android system. Then Google released the source code of Android under the authorization of Apache open source license.
What is the original meaning of the word Android? Robots? It is also the name of an open source mobile phone operating system based on Linux platform announced by Google on June 5438+065438+1October 5, 2007. The platform consists of operating system, middleware, user interface and application software.
The word Android first appeared in the science fiction novel Future Eve (L? Ve future). He named this machine that looks like a human a robot.