  Android is a mobile operating system based on a modified version of the Linux
kernel and other open source software, designed primarily for touchscreen
mobile devices such as smartphones and tablets. It is an operating system for
low powered devices that run on battery and are full of hardware like Global
Positioning System (GPS) receivers, cameras, light and orientation sensors,
Wi-Fi and LTE (4G telephony) connectivity and a touch screen. Like all
operating systems, Android enables applications to make use of the hardware
features through abstraction and provide a defined environment for
applications. The study includes following topic: Background And History
Android Architecture Kernel And StartUp Process Process Management Deadlock CPU
Scheduling Memory Management Storage Management I/O Battery Optimization
