Desktop Application Desktop Application Development 2

Question 1

What is the purpose of a .NET assembly in Windows desktop application development?

Accepted Answer

A compiled unit of code containing IL and metadata for the CLR

Answer

A .NET assembly is a compiled output file (DLL or EXE) containing Intermediate Language code and metadata that the Common Language Runtime executes.

Question 2

Which technology allows a WPF application to separate UI design from code-behind logic?

Accepted Answer

XAML (eXtensible Application Markup Language)

Answer

XAML is a declarative XML-based markup language that defines WPF UI structure separately from C# or VB.NET code-behind files.

Question 3

What is data binding in a desktop application framework like WPF or JavaFX?

Accepted Answer

Automatically synchronizing UI controls with data source properties

Answer

Data binding automatically keeps UI controls and underlying data objects in sync, so changes in one are reflected in the other without manual update code.

Question 4

In Qt desktop development, what is a 'signal and slot'?

Accepted Answer

A mechanism for event-driven communication between objects

Answer

Qt's signal and slot mechanism allows objects to communicate: an object emits a signal when an event occurs, and connected slots (functions) respond to it.

Question 5

What is the role of a package manager like NuGet in .NET desktop development?

Accepted Answer

Download, install, and manage third-party library dependencies

Answer

NuGet is the package manager for .NET that automates downloading and updating third-party libraries, managing versioning and dependency resolution.

Desktop Application Practice Test

Desktop Application Practice Test

Desktop Application Desktop Application Development 2