Mobile computing has two major characteristics that differentiate it from other forms of computing. What are these two characteristics?

mobility and broad reach

Explanation:

The two major characteristics of mobile computing are:

Mobility: It basically refers to the portability. Mobility means that users can carry their mobile device wherever they go. This facilitates real-time communication with other devices. Users can take a mobile device anywhere and can contact with other devices and systems via a wireless network for example a user, wherever he happens to be, can log in to his email account to check his emails using his mobile phone.

Broad Reach: It basically means that the mobile device users can be reached at any time. This means that the users of an open mobile device can be instantaneously contacted. Having an open mobile device means that it can be reached by or connected to other mobile networks. However mobile users also have options to restrict specific messages or calls.