Answer :
It's because your emulator doesn't have an internet connection. notwithstanding the presence of a wifi connection.
Describe Module.
A module is a component that can be rapidly replaced in computer hardware. In computer software, a module is an addition to the main program that is designed to do a specific purpose. In programming, a module is a section of code that is added all at once or is designed to be reused frequently.
An installer file is what?
An install program is a piece of software that prepares an application (or software bundle) for execution on a computer. It is often referred to as a "setup program" or "installer." Except for standalone utility programs, the application it is made up of numerous files that are often arranged in directories in a hierarchy.
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