Desktop Application Ultimate Desktop Application 2

Question 1

Which Windows API function is used to create a new process on the desktop?

Accepted Answer

CreateProcess

Answer

CreateProcess is the Windows API function that creates a new process and its primary thread.

Question 2

In a Model-View-ViewModel (MVVM) pattern, what is the primary role of the ViewModel?

Accepted Answer

Expose data streams and commands for the View to bind to

Answer

The ViewModel exposes data and commands that the View binds to, acting as an intermediary between Model and View.

Question 3

What does DPI awareness mean in the context of desktop applications?

Accepted Answer

The app correctly scales UI elements for different screen pixel densities

Answer

DPI awareness means the application scales its UI correctly when displayed on high-density (HiDPI/Retina) screens to avoid blurry or incorrectly sized elements.

Question 4

Which mechanism allows a desktop application to communicate with another application through a shared memory segment?

Accepted Answer

Shared memory IPC

Answer

Shared memory IPC allows multiple processes to access the same memory region, enabling fast inter-process communication.

Question 5

In Electron.js desktop applications, which process has direct access to Node.js APIs and the file system?

Accepted Answer

Main process

Answer

The Main process in Electron has full Node.js access and controls the application lifecycle, while Renderer processes handle UI.

Desktop Application Practice Test

Desktop Application Practice Test

Desktop Application Ultimate Desktop Application 2