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 - 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 - Value type variables in C# are derived from the class System.ValueType?

A - true

B - false

Answer : A

Explanation

Value type variables in C# are derived from the class System.ValueType.

Q 3 - Which of the following converts a type to a 64-bit integer in C#?

A - ToInt64

B - ToSbyte

C - ToSingle

D - ToInt32

Answer : A

Explanation

ToInt64() method converts a type to a 64-bit integer.

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 method copies the reference to the memory location of an argument into the formal parameter?

A - Value parameters

B - Reference parameters

C - Output parameters

D - None of the above.

Answer : B

Explanation

Reference parameters method copies the reference to the memory location of an argument into the formal parameter.

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 allows creating a compound conditional directive in C#?

A - elif

B - define

C - if

D - else

Answer : A

Explanation

#elif − It allows creating a compound conditional directive.

Answer : C

Explanation

Both of the above options are correct.

csharp_questions_answers.htm
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