Question 1

Which of the following statements is correct about an interface used in C#.NET?

Accepted Answer

A) If a class implements an interface partially, then it should be an abstract class. 
B) Class cannot implement an interface partially. 
C) An interface can contain static methods. 
D) An interface can contain static data. 
A) If a class implements an interface partially, then it should be an abstract class. 
B) Class cannot implement an interface partially. 
C) An interface can contain static methods. 
D) An interface can contain static data. A

Question 2

Which of the following is the correct way to access all elements of the Queue collection created using the C#.NET code snippet given below? Queue q = new Queue(); q.Enqueue("Sachin"); q.Enqueue('A'); q.Enqueue(false); q.Enqueue(38); q.Enqueue(5.4);

Accepted Answer

A) IEnumerator e; e = q.GetEnumerator(); while (e.MoveNext()) Console.WriteLine(e.Current); 
B) IEnumerable e; e = q.GetEnumerator(); while (e.MoveNext()) Console.WriteLine(e.Current); 
C) IEnumerator e; e = q.GetEnumerable(); while (e.MoveNext()) Console.WriteLine(e.Current); 
D) IEnumerator e; e = Queue.GetEnumerator(); while (e.MoveNext()) Console.WriteLine(e.Current); 
A) IEnumerator e; e = q.GetEnumerator(); while (e.MoveNext()) Console.WriteLine(e.Current); 
B) IEnumerable e; e = q.GetEnumerator(); while (e.MoveNext()) Console.WriteLine(e.Current); 
C) IEnumerator e; e = q.GetEnumerable(); while (e.MoveNext()) Console.WriteLine(e.Current); 
D) IEnumerator e; e = Queue.GetEnumerator(); while (e.MoveNext()) Console.WriteLine(e.Current); A

Question 3

The point at which an exception is thrown is called the _______.

Accepted Answer

A) Default point 
B) Invoking point 
C) Calling point 
D) Throw point 
A) Default point 
B) Invoking point 
C) Calling point 
D) Throw point D

Question 4

Which of the following can be facilitated by the Inheritance mechanism?1 Use the existing functionality of base class.2 Overrride the existing functionality of base class.3 Implement new functionality in the derived class.4 Implement polymorphic behaviour.5 Implement containership.

Accepted Answer

A) 1, 2, 3 
B) 3, 4 
C) 2, 4, 5 
D) 3, 5 
A) 1, 2, 3 
B) 3, 4 
C) 2, 4, 5 
D) 3, 5

Question 5

The scope of a variable depends on the ____________ and _________.

Accepted Answer

A) Main method, place of its declaration 
B) Type of the variable, console 
C) compiler, main 
D) Type of the variable, place of its declaration 
A) Main method, place of its declaration 
B) Type of the variable, console 
C) compiler, main 
D) Type of the variable, place of its declaration

Question 6

_______ is a set of devices through which a user communicates with a system using interactive set of commands.

Accepted Answer

A) Console 
B) System 
C) Keyboard 
D) Monitor 
A) Console 
B) System 
C) Keyboard 
D) Monitor

Question 7

The controls available in the tool box of the ______ are used to create the user interface of a web based application.

Accepted Answer

A) Microsoft visual studio IDE 
B) Application window 
C) Web forms 
D) None of the above 
A) Microsoft visual studio IDE 
B) Application window 
C) Web forms 
D) None of the above

Question 8

A class implements two interfaces each containing three methods. The class contains no instance data. Which of the following correctly indicate the size of the object created from this class?

Accepted Answer

A) 12 bytes 
B) 24 bytes 
C) 0 byte 
D) 8 bytes 
A) 12 bytes 
B) 24 bytes 
C) 0 byte 
D) 8 bytes

Question 9

Which of the following statements is correct about the C#.NET code snippet given below?class Student s1, s2; // Here 'Student' is a user-definedclass. s1 = new Student();s2 = new Student();

Accepted Answer

A) Contents of s1 and s2 will be exactly same. 
B) The two objects will get created on the stack. 
C) Contents of the two objects created will be exactly same. 
D) The two objects will always be created in adjacent memory locations. 
A) Contents of s1 and s2 will be exactly same. 
B) The two objects will get created on the stack. 
C) Contents of the two objects created will be exactly same. 
D) The two objects will always be created in adjacent memory locations.

Question 10

Which of the following statements is correct about an interface?

Accepted Answer

A) One interface can be implemented in another interface. 
B) An interface can be implemented by multiple classes in the same program. 
C) A class that implements an interface can explicitly implement members of that interface. 
D) The functions declared in an interface have a body. 
A) One interface can be implemented in another interface. 
B) An interface can be implemented by multiple classes in the same program. 
C) A class that implements an interface can explicitly implement members of that interface. 
D) The functions declared in an interface have a body.

Question 11

The reason that C# does not support multiple inheritances is because of ______.

Accepted Answer

A) Method collision 
B) Name collision 
C) Function collision 
D) Interface collision 
A) Method collision 
B) Name collision 
C) Function collision 
D) Interface collision

Question 12

How many enumerators will exist if four threads are simultaneously working on an ArrayList object?

Accepted Answer

A) 1 
B) 3 
C) 2 
D) 4 
A) 1 
B) 3 
C) 2 
D) 4

Question 13

C# supports a technique known as________, which allows a method to specify explicitly the name of the interface it is implementing.

Accepted Answer

A) Method Implementation 
B) Implicit Interface Implementation 
C) Explicit Interface Implementation 
D) Iterative Interface Implementation 
A) Method Implementation 
B) Implicit Interface Implementation 
C) Explicit Interface Implementation 
D) Iterative Interface Implementation

Question 14

Which namespace includes most of the Control classes for developing Windows applications?

Accepted Answer

A) System; 
B) System.Windows.Controls 
C) System.Windows.Components.Forms 
D) System.Windows.Forms 
A) System; 
B) System.Windows.Controls 
C) System.Windows.Components.Forms 
D) System.Windows.Forms

Question 15

Suppose a Generic class called SortObjects is to be made capable of sorting objects of any type (Integer, Single, Byte etc.). Which of the following programming constructs should be used to implement the comparison function?

Accepted Answer

A) Namespace 
B) Interface 
C) Encapsulation 
D) Delegate 
A) Namespace 
B) Interface 
C) Encapsulation 
D) Delegate

Question 16

Which of the following should be used to implement a 'Like a' or a 'Kind of' relationship between two entities?

Accepted Answer

A) Polymorphism 
B) Containership 
C) Templates 
D) Inheritance 
A) Polymorphism 
B) Containership 
C) Templates 
D) Inheritance

Question 17

Exponential formatting character ('E' or 'e') converts a given value to string in the form of _______.

Accepted Answer

A) m.dddd 
B) E+xxx 
C) m.dddd, 
D) E+xxx, 
A) m.dddd 
B) E+xxx 
C) m.dddd, 
D) E+xxx,

Question 18

In C#, having unreachable code is always an _____.

Accepted Answer

A) Method 
B) Function 
C) Error 
D) Iterative 
A) Method 
B) Function 
C) Error 
D) Iterative

Question 19

C# treats the multiple catch statements like cases in a _____________ statement.

Accepted Answer

A) If 
B) Switch 
C) For 
D) While 
A) If 
B) Switch 
C) For 
D) While

Question 20

How can you prevent inheritance from a class in C#.NET ?

Accepted Answer

A) Declare the class as shadows. 
B) Declare the class as overloads. 
C) Declare the class as seal 
A) Declare the class as shadows. 
B) Declare the class as overloads. 
C) Declare the class as seal

Which of the following statements is correct about an interface used in C#.NET?

Which of the following is the correct way to access all elements of the Queue collection created using the C#.NET code snippet given below? Queue q = new Queue(); q.Enqueue("Sachin"); q.Enqueue('A'); q.Enqueue(false); q.Enqueue(38); q.Enqueue(5.4);

The point at which an exception is thrown is called the _______.

Which of the following can be facilitated by the Inheritance mechanism?1 Use the existing functionality of base class.2 Overrride the existing functionality of base class.3 Implement new functionality in the derived class.4 Implement polymorphic behaviour.5 Implement containership.

The scope of a variable depends on the ____ and _.

_______ is a set of devices through which a user communicates with a system using interactive set of commands.

The controls available in the tool box of the ______ are used to create the user interface of a web based application.

A class implements two interfaces each containing three methods. The class contains no instance data. Which of the following correctly indicate the size of the object created from this class?

Which of the following statements is correct about the C#.NET code snippet given below?class Student s1, s2; // Here 'Student' is a user-definedclass. s1 = new Student();s2 = new Student();

Which of the following statements is correct about an interface?

The reason that C# does not support multiple inheritances is because of ______.

How many enumerators will exist if four threads are simultaneously working on an ArrayList object?

C# supports a technique known as________, which allows a method to specify explicitly the name of the interface it is implementing.

Which namespace includes most of the Control classes for developing Windows applications?

Suppose a Generic class called SortObjects is to be made capable of sorting objects of any type (Integer, Single, Byte etc.). Which of the following programming constructs should be used to implement the comparison function?

Which of the following should be used to implement a 'Like a' or a 'Kind of' relationship between two entities?

Exponential formatting character ('E' or 'e') converts a given value to string in the form of _______.

In C#, having unreachable code is always an _____.

C# treats the multiple catch statements like cases in a _____________ statement.

How can you prevent inheritance from a class in C#.NET ?

NET Framework and C Programming

C Programming: Data Types, Constructors, Inheritance, and Exception Handling

C Programming: Database and ADO.NET

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Exam 3: C Programming: Collections, Delegates, and Object-Oriented Concepts

Which of the following statements is correct about an interface used in C#.NET?

Which of the following is the correct way to access all elements of the Queue collection created using the C#.NET code snippet given below? Queue q = new Queue(); q.Enqueue("Sachin"); q.Enqueue('A'); q.Enqueue(false); q.Enqueue(38); q.Enqueue(5.4);

The point at which an exception is thrown is called the _______.

Which of the following can be facilitated by the Inheritance mechanism?1 Use the existing functionality of base class.2 Overrride the existing functionality of base class.3 Implement new functionality in the derived class.4 Implement polymorphic behaviour.5 Implement containership.

The scope of a variable depends on the ____________ and _________.

_______ is a set of devices through which a user communicates with a system using interactive set of commands.

The controls available in the tool box of the ______ are used to create the user interface of a web based application.

A class implements two interfaces each containing three methods. The class contains no instance data. Which of the following correctly indicate the size of the object created from this class?

Which of the following statements is correct about the C#.NET code snippet given below?class Student s1, s2; // Here 'Student' is a user-definedclass. s1 = new Student();s2 = new Student();

Which of the following statements is correct about an interface?

The reason that C# does not support multiple inheritances is because of ______.

How many enumerators will exist if four threads are simultaneously working on an ArrayList object?

C# supports a technique known as________, which allows a method to specify explicitly the name of the interface it is implementing.

Which namespace includes most of the Control classes for developing Windows applications?

Suppose a Generic class called SortObjects is to be made capable of sorting objects of any type (Integer, Single, Byte etc.). Which of the following programming constructs should be used to implement the comparison function?

Which of the following should be used to implement a 'Like a' or a 'Kind of' relationship between two entities?

Exponential formatting character ('E' or 'e') converts a given value to string in the form of _______.

In C#, having unreachable code is always an _____.

C# treats the multiple catch statements like cases in a _____________ statement.

How can you prevent inheritance from a class in C#.NET ?

NET Framework and C Programming

C Programming: Data Types, Constructors, Inheritance, and Exception Handling

C Programming: Database and ADO.NET

Filters

The scope of a variable depends on the ____ and _.