VISUAL BASIC

Detailed explanation-1: -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.

Detailed explanation-2: -The correct answer is “Android". It is an open-source mobile operating system developed by Google.

Detailed explanation-3: -Android Operating System Android is an open-source mobile OS developed by Google and launched in 2008. Android is a Linux-based OS that uses Linux 2.6 to provide core services such as security, memory management, process management, network stack, and a driver model.

Detailed explanation-4: -The Android operating system is a mobile operating system that was developed by Google (GOOGL) to be primarily used for touchscreen devices, cell phones, and tablets.

Detailed explanation-5: -Apple developed iOS to run on its own XNU kernel. Apple has also released several device-specific mobile operating systems, such as watchOS for the Apple Watch and iPadOS for iPad tablets.

Detailed explanation-6: -A mobile operating system (mobile OS) is an OS built exclusively for a mobile device, such as a smartphone, personal digital assistant (PDA), tablet or other embedded mobile OS. Popular mobile operating systems are Android, Symbian, iOS, BlackBerry OS and Windows Mobile.