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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 keyword is used for including the namespaces in the program in C#?
Answer : B
Explanation
The using keyword is used for including the namespaces in the program.
Q 2 - Which of the following defines boxing correctly?
A - When a value type is converted to object type, it is called boxing.
B - When an object type is converted to a value type, it is called boxing.
Answer : A
Explanation
When a value type is converted to object type, it is called boxing.
Q 3 - Which of the following converts a type to a 32-bit integer in C#?
Answer : D
Explanation
ToInt32() method converts a type to a 32-bit integer.
Q 4 - Which of the following operator represents a conditional operation in C#?
Answer : A
Explanation
?: operator represents a conditional operation.
Q 5 - Which of the following access specifier in C# allows a class to hide its member variables and member functions from other functions and objects?
Answer : B
Explanation
Private access specifier allows a class to hide its member variables and member functions from other functions and objects.
Q 6 - Which of the following is true about C# structures?
A - Unlike classes, structures cannot inherit other structures or classes.
B - Structure members cannot be specified as abstract, virtual, or protected.
Answer : D
Explanation
All of the above options are correct.
Q 7 - Which of the following is the correct about class member variables?
B - These private variables can only be accessed using the public member functions.
Answer : C
Explanation
Both of the above options are correct.
Answer : A
Explanation
The comparison operators can be overloaded.
Q 9 - Which of the following preprocessor directive lets you modify the compiler's line number and (optionally) the file name output for errors and warnings in C#?
Answer : C
Explanation
#line − It lets you modify the compiler's line number and (optionally) the file name output for errors and warnings.
Q 10 - Which of the following is true about try block in C#?
A - A try block identifies a block of code for which particular exceptions is activated.
Answer : C
Explanation
Both of the above options are correct.