Question Bank

3705 approved questions from the community

Why is it recommended to perform initialization in ngOnInit() rather than the constructor?

MEDIUM
SINGLE CHOICE
40s
by Mohamed

What is the difference between a Component and a Directive in terms of templates?

EASY
SINGLE CHOICE
30s
by Mohamed

Which property in the @NgModule decorator is used to list components that other modules can use?

MEDIUM
SINGLE CHOICE
30s
by Mohamed

What are the three essential parts of an Angular component?

EASY
SINGLE CHOICE
30s
by Mohamed

In a standard Angular application, what is the sequence of bootstrapping?

MEDIUM
SINGLE CHOICE
40s
by Mohamed

What is a major architectural difference between Angular and its predecessor, AngularJS?

EASY
SINGLE CHOICE
30s
by Mohamed

How does Flutter achieve high-performance rendering across different platforms?

MEDIUM
SINGLE CHOICE
40s
Flutter
by Mohamed

Hot Reload preserves the current state of the app while injecting code changes.

MEDIUM
TRUE FALSE
20s
Flutter
by Mohamed

What is the purpose of the Scaffold widget?

EASY
SINGLE CHOICE
30s
by Mohamed

Which file is used to manage project dependencies and metadata in Flutter?

EASY
SINGLE CHOICE
30s
Flutter
by Mohamed

In Flutter's layout model, who provides context and constraints to the child widgets?

MEDIUM
SINGLE CHOICE
35s
by Mohamed

What is 'Hot Reload' in Flutter?

EASY
SINGLE CHOICE
25s
Flutter
by Mohamed

Which lifecycle state indicates that the app is visible but not responding to user input (e.g., during a phone call)?

MEDIUM
SINGLE CHOICE
30s
by Mohamed

What is the role of the BuildContext in Flutter?

HARD
SINGLE CHOICE
45s
Flutter
by Mohamed

Which widget is recommended for rendering very large lists of items efficiently?

MEDIUM
SINGLE CHOICE
30s
Flutter
by Mohamed

What is the primary difference between a StatelessWidget and a StatefulWidget?

MEDIUM
SINGLE CHOICE
40s
by Mohamed

In Flutter, everything on the screen is represented as a widget.

EASY
TRUE FALSE
20s
Flutter
by Mohamed

Which programming language is used to develop Flutter apps?

EASY
SINGLE CHOICE
30s
Flutter
by Mohamed

What is Flutter?

EASY
SINGLE CHOICE
30s
Flutter
by Mohamed

How can you prevent a code block in a module from running when the module is imported by another script?

MEDIUM
SINGLE CHOICE
30s
Python
by Mohamed
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