C# Online Quiz


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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 - We can use reserved keywords as identifiers in C#?

A - true

B - false

Answer : B

Explanation

Keywords are reserved words predefined to the C# compiler. These keywords cannot be used as identifiers.

Q 3 - Which of the following converts a type (integer or string type) to date-time structures in C#?

A - ToString

B - ToSingle

C - ToChar

D - ToDateTime

Answer : D

Explanation

ToDateTime() method converts a type (integer or string type) to date-time structures.

Q 4 - Which of the following operator creates a pointer to a variable in C#?

A - sizeof

B - typeof

C - &

D - *

Answer : D

Explanation

* operator creates a pointer to a variable.

Q 5 - Which of the following access specifier in C# allows a class to expose its member variables and member functions to other functions and objects in the current assembly?

A - Public

B - Private

C - Protected

D - Internal

Answer : D

Explanation

Internal access specifier allows a class to expose its member variables and member functions to other functions and objects in the current assembly.

Q 6 - Which of the following property of Array class in C# checks whether the Array is readonly?

A - IsFixedSize

B - IsReadOnly

C - Length

D - None of the above.

Answer : B

Explanation

IsReadOnly gets a value indicating whether the Array is readonly.

Q 7 - Which of the following is the default access specifier of a class member variable?

A - Private

B - Public

C - Protected

D - Internal

Answer : A

Explanation

Default access for the class member variables is Private.

Q 8 - The comparison operators can be overloaded.

A - true

B - false

Answer : A

Explanation

The comparison operators can be overloaded.

Q 9 - Which of the following preprocessor directive specifies the end of a conditional directive in C#?

A - elif

B - endif

C - if

D - else

Answer : B

Explanation

#endif − Specifies the end of a conditional directive.

Q 10 - Which of the following preprocessor directive lets you specify a block of code that you can expand or collapse when using the outlining feature of the Visual Studio Code Editor in C#?

A - warning

B - region

C - line

D - error

Answer : B

Explanation

#region − It lets you specify a block of code that you can expand or collapse when using the outlining feature of the Visual Studio Code Editor.


csharp_questions_answers.htm

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