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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.
Q 1 - Which of the following is a contextual keyword in C#?
Answer : D
Explanation
All of the above options are contextual keywords.
Q 2 - Which of the following defines unboxing correctly?
A - When a value type is converted to object type, it is called unboxing.
B - When an object type is converted to a value type, it is called unboxing.
Answer : B
Explanation
When an object type is converted to a value type, it is called unboxing.
Q 3 - Which of the following converts a type to a 16-bit integer in C#?
Answer : C
Explanation
ToInt16() method converts a type to a 16-bit integer.
Q 4 - Which of the following converts a type to an unsigned long type in C#?
Answer : C
Explanation
ToUInt32() method converts a type to an unsigned long type.
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 property of Array class in C# checks whether the Array is readonly?
Answer : B
Explanation
IsReadOnly gets a value indicating whether the Array is readonly.
Q 7 - Which of the following is the correct about class destructor?
Answer : C
Explanation
Both of the above options are correct.
Q 8 - Which of the following is the correct about static member functions of a class?
A - You can also declare a member function as static.
B - Such functions can access only static variables.
C - The static functions exist even before the object is created.
Answer : D
Explanation
All of the above options are correct.
Q 9 - Which of the following preprocessor directive allows creating a compound conditional directive in C#?
Answer : A
Explanation
#elif − It allows creating a compound conditional directive.
Q 10 - User-defined exception classes are derived from the ApplicationException class in C#?
Answer : A
Explanation
User-defined exception classes are derived from the ApplicationException class.