Patent attributes
A mobile computer-based host includes a main body, at least one multifunctional module, and at least one lid. Each multifunctional module has the same size and shape. The main body includes a case and a host module, and the case encloses the host module and includes at least one module slot, each having the same size and shape for accommodating the multifunctional module. The lid covers the corresponding module slot to isolate and protect the multifunctional module. The module slots of the present invention are allowed to install the various multifunctional modules to provide different and specific functions without changing the original design of the size and shape. Thus, the application field of the mobile computer-based host is widely expanded to meet various demands in the future, and the lifetime is greatly prolonged without wasting any precious resource, thereby achieving the goal of environmental protection.