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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.
Q 1 - We can use reserved keywords as identifiers in C# by prefixing them with @ character?
Answer : A
Explanation
if you want to use these keywords as identifiers, you may prefix the keyword with the @ character.
Q 2 - Which of the following converts a type to a Boolean value, where possible in C#?
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 string in C#?
Answer : D
Explanation
ToString() method converts a type to a string.
Q 4 - Which of the following operator determines whether an object is of a certain type in C#?
Answer : B
Explanation
is operator determines whether an object is of a certain type.
Q 5 - Which of the following access specifier in C# allows a child class to access the member variables and member functions of its base class?
Answer : C
Explanation
Protected access specifier allows a child class to access the member variables and member functions of its base class.
Q 6 - Which of the following property of Array class in C# checks whether the Array has a fixed size?
Answer : A
Explanation
IsFixedSize gets a value indicating whether the Array has a fixed size.
Q 7 - Which of the following is true about C# structures vs C# classes?
A - Classes are reference types and structs are value types.
B - Structures do not support inheritance.
Answer : D
Explanation
All of the above options are correct.
Answer : B
Explanation
The conditional logical operators cannot be overloaded.
Q 9 - Which of the following preprocessor directive allows testing a symbol or symbols to see if they evaluate to true in C#?
Answer : C
Explanation
#if − It allows testing a symbol or symbols to see if they evaluate to true.
Q 10 - Which of the following is true about try block in C#?
A - A try block identifies a block of code for which particular exceptions is activated.
Answer : C
Explanation
Both of the above options are correct.
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