C# Online Quiz



Following quiz provides Multiple Choice Questions (MCQs) related to C#. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - Which of the following keyword is used for including the namespaces in the program in C#?

A - imports

B - using

C - exports

D - None of the above.

Answer : B

Explanation

The using keyword is used for including the namespaces in the program.

Q 2 - Which of the following converts a type to a Boolean value, where possible in C#?

A - ToBoolean

B - ToSingle

C - ToChar

D - ToDateTime

Answer : A

Explanation

ToBoolean() method converts a type to a Boolean value, where possible.

Q 3 - Which of the following converts a floating point or integer type to a decimal type in C#?

A - ToDecimal

B - ToDouble

C - ToInt16

D - ToInt32

Answer : A

Explanation

ToDecimal() method converts a floating point or integer type to a decimal type.

Q 4 - Which of the following operator determines whether an object is of a certain type in C#?

A - ?:

B - is

C - as

D - *

Answer : B

Explanation

is operator determines whether an object is of a certain type.

Q 5 - Which of the following access specifier in C# allows a class to hide its member variables and member functions from other class objects and functions, except a child class within the same application?

A - Protected Internal

B - Private

C - Protected

D - Internal

Answer : A

Explanation

Protected Internal access specifier allows a class to hide its member variables and member functions from other class objects and functions, except a child class within the same application.

Q 8 - The comparison operators can be overloaded.

A - true

B - false

Answer : A

Explanation

The comparison operators can be overloaded.

csharp_questions_answers.htm
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