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 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 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 (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 returns the address of an variable in C#?

A - sizeof

B - typeof

C - &

D - *

Answer : C

Explanation

& operator returns the address of an variable.

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.

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

A - Private

B - Public

C - Protected

D - Internal

Answer : A

Explanation

Default access for the class member variables is Private.

Answer : C

Explanation

Both of the above options are correct.

Q 9 - Which of the following preprocessor directive allows to create a compound conditional directive, along with #if in C#?

A - define

B - elif

C - if

D - else

Answer : D

Explanation

#else − It allows to create a compound conditional directive, along with #if.

Q 10 - The finally block is used to execute a given set of statements, whether an exception is thrown or not thrown.

A - true

B - false

Answer : A

Explanation

The finally block is used to execute a given set of statements, whether an exception is thrown or not thrown.

csharp_questions_answers.htm
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