Answer:
b. Program window
Explanation:
When we are clicking the start button at the desktop of the window and then click on the name of an app the program window is opening as we have to opens the application therefore program window appears
All other windows like - folder window, start window, the main window are not the correct options
Therefore option b is correct
The window which is opened upon launching an application is the PROGRAM window.
A window in the context above may be explained as an interface on a computer system which is dedicated to a particular set of windows component which may be a program or application such that it allows users to interact and control the various available functions.
The program window opens up when an application or program is launched, it allows users to interact and explore available options and tasks allowed by the program. Clicking the name of the app may be used to launch the program hence opening up an interface for the launched program which is the program window.
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