C# Online Quiz

Q 1 - Which of the following is correct about C#?

A - C# is a modern, general-purpose, object-oriented programming language developed by Microsoft.

B - C# was developed by Anders Hejlsberg and his team during the development of .Net Framework.

C - C# is designed for Common Language Infrastructure (CLI).

D - All of the above.

Q 2 - Which of the following is correct about value type variables in C#?

A - The value types directly contain data.

B - int, char, and float, which stores numbers, alphabets, and floating point numbers, respectively are value types.

C - When you declare an int type, the system allocates memory to store the value.

D - All of the above.

Q 3 - Which of the following converts a type to a specified type in C#?

A - ToType

B - ToSbyte

C - ToSingle

D - ToString

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

A - ToType

B - ToUInt16

C - ToSingle

D - ToString

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

Q 6 - Which of the following is true about C# structures?

A - Unlike classes, structures cannot inherit other structures or classes.

B - Structure members cannot be specified as abstract, virtual, or protected.

C - A structure can implement one or more interfaces.

D - All of the above.

Q 7 - Which of the following is the correct about class member variables?

A - Member variables are the attributes of an object (from design perspective) and they are kept private to implement encapsulation.

B - These private variables can only be accessed using the public member functions.

C - Both of the above.

D - None of the above.

Q 8 - The comparison operators can be overloaded.

A - true

B - false

Q 9 - Which of the following preprocessor directive lets you modify the compiler's line number and (optionally) the file name output for errors and warnings in C#?

A - elif

B - endif

C - line

D - region

Q 10 - Which of the following is true about exceptions in C#?

A - The exception classes in C# are mainly directly or indirectly derived from the System.Exception class.

B - C# exceptions are represented by classes.

C - Both of the above.

D - None of the above.