.NET Programming MCQs with answers Page - 28

Here, you will find a collection of MCQ questions on .NET Programming. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Ram Sharma • 3.40K Points
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Q. What does CTS stand for in .NET?

  • (A) Common Type Structure
  • (B) Common Type System
  • (C) Code Type Safety
  • (D) Class Type Scheme

R

Ram Sharma • 3.40K Points
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Q. Which C# type is used to represent a time interval?

  • (A) DateTime
  • (B) TimeSpan
  • (C) DateTimeOffset
  • (D) Clock

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Ram Sharma • 3.40K Points
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Q. What is the base class for all classes in C#?

  • (A) Object
  • (B) BaseClass
  • (C) Class
  • (D) System

R

Ram Sharma • 3.40K Points
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Q. Which keyword is used to declare a method that must be implemented in derived classes?

  • (A) sealed
  • (B) virtual
  • (C) abstract
  • (D) override

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Ram Sharma • 3.40K Points
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Q. What does the `virtual` keyword indicate in a method declaration?

  • (A) Method cannot be overridden
  • (B) Method must be overridden
  • (C) Method can be overridden
  • (D) Method is sealed

R

Ram Sharma • 3.40K Points
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Q. What is the purpose of `override` keyword in C#?

  • (A) To overload a method
  • (B) To define a method
  • (C) To override a base class virtual method
  • (D) To cancel a method

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Ram Sharma • 3.40K Points
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Q. Which class is used to handle text file operations?

  • (A) FileReader
  • (B) TextHandler
  • (C) File
  • (D) FileStream

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Ram Sharma • 3.40K Points
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Q. Which of the following is a thread-safe collection in .NET?

  • (A) List<T>
  • (B) Dictionary<TKey, TValue>
  • (C) ConcurrentDictionary<TKey, TValue>
  • (D) ArrayList

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Ram Sharma • 3.40K Points
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Q. Which class in .NET represents a fixed-size sequential collection of elements of the same type?

  • (A) List<T>
  • (B) Array
  • (C) Queue
  • (D) Dictionary

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Ram Sharma • 3.40K Points
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Q. Which delegate is used for event handling in .NET?

  • (A) Event
  • (B) Action
  • (C) EventHandler
  • (D) Func

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