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

Q 1 - Which of the following is a reserved keyword in C#?

A - abstract

B - as

C - foreach

D - All of the above.

Answer : D

Explanation

All of the above options are reserved keywords.

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 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 operator returns the size of a data type in C#?

A - sizeof

B - typeof

C - &</a>

D - *

Answer : A

Explanation

sizeof() operator returns the size of a data type.

Q 5 - Which of the following access specifier in C# allows a class to expose its member variables and member functions to other functions and objects?

A - Public

B - Private

C - Protected

D - Internal

Answer : A

Explanation

Public access specifier allows a class to expose its member variables and member functions to other functions and objects.

Answer : D

Explanation

All of the above options are correct.

Answer : C

Explanation

Both of the above options are correct.

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
Advertisements