What is a key feature of mobile computing devices?

Portability allowing access on the go is a key feature of mobile computing devices. This characteristic enables users to carry their devices easily and use them anytime and anywhere, which is a fundamental advantage of mobile technology. This mobility fosters convenience, as users can access applications, communicate, and gather information without being confined to stationary workstations.

In contrast, while increased storage capacity is beneficial, it does not define mobile computing specifically. Mobile devices typically have varied storage capacities that may not always be substantial. Limited connectivity options do not align with the advancement of mobile devices, which are typically equipped with various connectivity features such as Wi-Fi, cellular networks, and Bluetooth. Finally, the idea that mobile devices only work with desktop applications overlooks the fact that they are designed to run mobile-specific applications that optimize the user experience for smaller screens and touch interfaces. Thus, the essence of mobile devices lies in their portability and the flexibility they offer to users.