Android is an operating system developed by Google.
It is modified version of Linux kernel and other open source software. Today android used in many electronic devices like touchscreen mobile, tablets, android TV, Android Auto for cars, and Android watches, each with a specialized user interface.
Android history and versions:
In 2003, Android Inc. started the development of the Android operating system. Later, in 2005, Google purchased it. On November 5, 2007, Google released the beta version of Android OS. Later, on November 12, 2007, the software development kit (SDK) was released. Again in October 2008, the first Android mobile was publicly released.
Android 3.0 was released on February 22, 2011. It was launched for the first tablet for Android-based on Linux kernel 2.6.36 and was given the codename of Honeycomb. Features like “holographic” user interface for tablet, added system Bar, simplified multitasking tapping Recent Application in system Bar, redesign the keyboard making fast typing, quick access to camera exposure, hardware acceleration, support for multi-core processor,