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

Answer : D

Explanation

All of the above options are correct.

Q 2 - Which of the following converts a type to a Boolean value, where possible in C#?

A - ToBoolean

B - ToSingle

C - ToChar

D - ToDateTime

Answer : A

Explanation

ToBoolean() method converts a type to a Boolean value, where possible.

Q 3 - Which of the following converts a type (integer or string type) to date-time structures in C#?

A - ToString

B - ToSingle

C - ToChar

D - ToDateTime

Answer : D

Explanation

ToDateTime() method converts a type (integer or string type) to date-time structures.

Q 4 - Which of the following operator determines whether an object is of a certain type in C#?

A - ?:

B - is

C - as

D - *

Answer : B

Explanation

is operator determines whether an object is of a certain 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# gets a 32-bit integer, the total number of elements in all the dimensions of the Array?

A - Rank

B - LongLength

C - Length

D - None of the above.

Answer : C

Explanation

Length gets a 32-bit integer that represents the total number of elements in all the dimensions of the Array.

Q 7 - Which of the following is the default access specifier of a class member function?

A - Private

B - Public

C - Protected

D - Internal

Answer : A

Explanation

Default access for the class member function is Private.

Q 8 - The assignment operators cannot be overloaded.

A - true

B - false

Answer : A

Explanation

The assignment operators cannot be overloaded.

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

A - define

B - region

C - line

D - error

Answer : D

Explanation

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

csharp_questions_answers.htm
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