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 variable types can be assigned a value directly in C#?

A - Value types

B - Reference types

C - Pointer types

D - All of the above.

Answer : A

Explanation

Value type variables can be assigned a value directly.

Q 2 - Which of the following converts a type to a single Unicode character, where possible in C#?

Answer : C

Explanation

ToChar() method converts a type to a single Unicode character, where possible.

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

Answer : A

Explanation

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

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

Answer : D

Explanation

* operator creates a pointer to a variable.

Q 5 - Which of the following access specifier in C# allows a child class to access the member variables and member functions of its base class?

Answer : C

Explanation

Protected access specifier allows a child class to access the member variables and member functions of its base class.

Q 6 - Which of the following is true about C# structures?

A - Structures can have methods, fields, indexers, properties, operator methods, and events.

B - Structures can have defined constructors, but not destructors.

C - You cannot define a default constructor for a structure. The default constructor is automatically defined and cannot be changed.

D - All of the above.

Answer : D

Explanation

All of the above options are correct.

Q 7 - Which of the following is the correct about static member variables of a class?

A - We can define class members variables as static using the static keyword.

B - When we declare a member of a class as static, it means no matter how many objects of the class are created, there is only one copy of the static member.

C - Both of the above.

D - None of the above.

Answer : C

Explanation

Both of the above options are correct.

Q 8 - Function overloading is a kind of static polymorphism.

Answer : A

Explanation

Function overloading is a kind of static polymorphism.

Q 9 - Which of the following preprocessor directive allows generating an error from a specific location in your code in C#?

Answer : D

Explanation

#error − It allows generating an error from a specific location in your code.

Q 10 - Which of the following is true about catch block in C#?

A - A program catches an exception with an exception handler at the place in a program where you want to handle the problem.

B - The catch keyword indicates the catching of an exception.

C - Both of the above.

D - None of the above.

Answer : C

Explanation

Both of the above options are correct.

csharp_questions_answers.htm

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