C# mcq questions with answer – Set 2

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• Total Number Of Questions : 10
• Passing Marks : 7
• Each Question Carry 1 Mark, No Negative Marking.
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#1. All code inside "finally" block is guaranteed to execute irrespective of whether an exception occurs in the "protected" block or not.

True

True

False

False

#2. Which of the following unary operators can be overloaded?

Select all that apply:

true

true

false

false

+

+

new

new

#3. What is the output of the C#.NET code snippet given above?

red

red

blue

blue

1

1

2

2

#4. Which of the following is the root of the .NET type hierarchy?

System.Object

System.Object

System.Type

System.Type

System.Base

System.Base

System.Parent

System.Parent

#5. Which of the following statements is correct about Managed Code?

Managed code is the code that is compiled by the JIT compilers

Managed code is the code that is compiled by the JIT compilers

Managed code is the code where resources are Garbage Collected.

Managed code is the code where resources are Garbage Collected.

Managed code is the code that runs on top of Windows.

Managed code is the code that runs on top of Windows.

Managed code is the code that is written to target the services of the CLR

Managed code is the code that is written to target the services of the CLR

#6. Suppose 'n' is a variable of the type Byte and we wish to put OFF its fourth bit (from right) without disturbing any other bits. Which of the following statements will do this correctly?

n = n && HF7

n = n && HF7

n = n & 16

n = n & 16

n = n & 0xF7

n = n & 0xF7

n = n & HexF7

n = n & HexF7

#7. Which of the following statements is correct about Bitwise ^ operator used in C#.NET?

The ^ operator can be used to put ON a bit.

The ^ operator can be used to put ON a bit.

The ^ operator can be used to put OFF a bit.

The ^ operator can be used to put OFF a bit.

The ^ operator can be used to Invert a bit.

The ^ operator can be used to Invert a bit.

The ^ operator can be used to check whether a bit is ON.

The ^ operator can be used to check whether a bit is ON.

#8. Which of the following statements are correct about the 'this' reference?

Select all that apply:

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'this' reference can be modified in the instance member function of a class.

'this' reference can be modified in the instance member function of a class.

Static functions of a class never receive the 'this' reference.

Static functions of a class never receive the 'this' reference.

Instance member functions of a class always receive a 'this' reference.

Instance member functions of a class always receive a 'this' reference.

While calling an instance member function we are not required to pass the 'this' reference explicitly.

While calling an instance member function we are not required to pass the 'this' reference explicitly.

#9. Which of the following statements are correct about objects of a user-defined class called 'Sample'?

Select all that apply:

All objects of 'Sample' class will always have exactly same data

All objects of 'Sample' class will always have exactly same data

Objects of 'Sample' class may have same or different data.

Objects of 'Sample' class may have same or different data.

Conceptually, each object of 'Sample' class will have instance data and instance member functions of the Sample class.

Conceptually, each object of 'Sample' class will have instance data and instance member functions of the Sample class.

All objects of 'Sample' class will share one copy of member functions.

All objects of 'Sample' class will share one copy of member functions.

#10. Which of the following statements are correct about Structures used in C#.NET?

Select all that apply:

A Structure can be declared within a procedure

A Structure can be declared within a procedure

Structs can implement an 'interface' but they cannot inherit from another 'struct'.

Structs can implement an 'interface' but they cannot inherit from another 'struct'.

'struct' members cannot be declared as 'protected'.

'struct' members cannot be declared as 'protected'.

It is an error to initialize an instance field in a 'struct'.

It is an error to initialize an instance field in a 'struct'.

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