_______ एक नुकीला तीर है जो स्क्रीन पर उस स्थान का प्रतिनिधित्व करता है जिसे आप चुनना चाहते हैं।

Which service of an operating system manages the allocation of hardware resources such as main memory, CPU cycles, and file storage to different users or tasks in a multi-user environment?

Identify the operating system from the following options that is primarily designed for mobile devices rather than standard desktop computers or laptops.