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

Answer : D

Explanation

All of the above options are correct.

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

A - ToSingle

B - ToByte

C - ToChar

D - ToDateTime

Answer : C

Explanation

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

Q 3 - Which of the following converts a type to a small floating point number in C#?

A - ToInt64

B - ToSbyte

C - ToSingle

D - ToInt32

Answer : C

Explanation

ToSingle() method converts a type to a small floating point number.

Q 4 - Which of the following converts a type to an unsigned big type in C#?

A - ToType

B - ToUInt16

C - ToUInt32

D - ToUInt64

Answer : D

Explanation

ToUInt64() method converts a type to an unsigned big type.

Q 5 - Which of the following method helps in returning more than one value?

A - Value parameters

B - Reference parameters

C - Output parameters

D - None of the above.

Answer : C

Explanation

Output parameters method helps in returning more than one value.

Q 6 - Which of the following property of Array class in C# checks whether the Array has a fixed size?

A - IsFixedSize

B - IsStatic

C - Length

D - None of the above.

Answer : A

Explanation

IsFixedSize gets a value indicating whether the Array has a fixed size.

Q 8 - C# does not support multiple inheritance.

A - true

B - false

Answer : A

Explanation

C# does not support multiple inheritance.

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.

Answer : C

Explanation

Both of the above options are correct.

csharp_questions_answers.htm
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