.NET Programming MCQs with answers Page - 20

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
Extraordinary

Q. What does IL stand for in the context of .NET?

  • (A) Intermediate Language
  • (B) Internal Logic
  • (C) Instruction Level
  • (D) Inline Loader

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which keyword is used to inherit a class in C#?

  • (A) inherits
  • (B) base
  • (C) extend
  • (D) :

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What is boxing in C#?

  • (A) Converting value type to object type
  • (B) Converting object to value type
  • (C) Storing a class in memory
  • (D) Wrapping method inside a class

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What does the `params` keyword allow in C#?

  • (A) Optional parameters
  • (B) Multiple constructors
  • (C) Passing a variable number of arguments
  • (D) Named arguments

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What is the return type of `Console.ReadLine()`?

  • (A) char
  • (B) int
  • (C) string
  • (D) void

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which of these is NOT a valid loop in C#?

  • (A) for
  • (B) foreach
  • (C) loop
  • (D) do-while

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which method is used to convert a string to an integer in C#?

  • (A) ToInt()
  • (B) Convert.ToInt32()
  • (C) ParseInt()
  • (D) Int.Parse()

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which feature in C# allows memory management automatically?

  • (A) JIT
  • (B) Manual Disposal
  • (C) Garbage Collection
  • (D) Stack Allocation

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which of the following is NOT a visibility modifier in C#?

  • (A) public
  • (B) private
  • (C) protected
  • (D) external

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What is the purpose of `ref` keyword in method parameters?

  • (A) Pass argument by value
  • (B) Allow multiple return values
  • (C) Pass argument by reference
  • (D) Make parameter optional

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