What is handheld operating system?

A handheld operating system is a software platform specifically designed to run on portable devices such as smartphones, tablets, and handheld gaming consoles. These operating systems manage hardware resources, provide user interfaces, and facilitate application execution while optimizing for power efficiency, touch input, and limited processing capabilities. Examples include Android, iOS, and Windows Mobile. Handheld OSs are tailored to enhance usability and functionality in mobile environments.