C# (C Sharp) MCQs with answers Page - 1

Here, you will find a collection of MCQ questions on C# (C Sharp). Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 799.53K Points
Coach

Q. How many Bytes are stored by ‘Long’ Data type in C# .net?

  • (A) 8
  • (B) 4
  • (C) 2
  • (D) 1

A

Admin • 799.53K Points
Coach

Q. Choose “.NET class” name from which data type “UInt” is derived?

  • (A) System.Int16
  • (B) System.UInt32
  • (C) System.UInt64
  • (D) System.UInt16

A

Admin • 799.53K Points
Coach

Q. Correct Declaration of Values to variables ‘a’ and ‘b’?

  • (A) int a = 32, b = 40.6;
  • (B) int a = 42; b = 40;
  • (C) int a = 32; int b = 40;
  • (D) int a = b = 42;

A

Admin • 799.53K Points
Coach

Q. What will be the error in the following C# code?

Code:
Static Void Main(String[] args)
 {
     const int m = 100;
     int n = 10;
     const int k = n / 5 * 100 * n ;
     Console.WriteLine(m * k);
     Console.ReadLine();
 }
  • (A) ‘k’ should not be declared constant
  • (B) Expression assigned to ‘k’ should be constant in nature
  • (C) Expression (m * k) is invalid
  • (D) ‘m ‘ is declared in invalid format

A

Admin • 799.53K Points
Coach

Q. Arrange the following data type in order of increasing magnitude sbyte, short, long, int.

  • (A) long < short < int < sbyte
  • (B) sbyte < short < int < long
  • (C) short < sbyte < int < long
  • (D) short < int < sbyte < long

A

Admin • 799.53K Points
Coach

Q. Which data type should be more preferred for storing a simple number like 35 to improve execution speed of a program?

  • (A) sbyte
  • (B) short
  • (C) int
  • (D) long

A

Admin • 799.53K Points
Coach

Q. Correct way to assign values to variable ‘c’ when int a=12, float b=3.5, int c;

  • (A) c = a + b;
  • (B) c = a + int(float(b));
  • (C) c = a + convert.ToInt32(b);
  • (D) c = int(a + b);

A

Admin • 799.53K Points
Coach

Q. Default Type of number without decimal is?

  • (A) Long Int
  • (B) Unsigned Long
  • (C) Int
  • (D) Unsigned Int

A

Admin • 799.53K Points
Coach

Q. What will be the output of the following C# code?

Code:
static void Main(string[] args)
 {
     float a = 10.553f;
     long b = 12L;
     int  c;
     c = Convert.ToInt32(a + b);
     Console.WriteLine(c);
 }
  • (A) 23.453
  • (B) 22
  • (C) 23
  • (D) 22.453

A

Admin • 799.53K Points
Coach

Q. Which of the following statements are TRUE about the .NET CLR?
1. It provides a language-neutral development & execution environment.
2. It ensures that an application would not be able to access memory that it is
not authorised to access.
3. It provides services to run "managed" applications.
4. The resources are garbage collected.
5. It provides services to run "unmanaged" applications.

  • (A) Only 1 and 2
  • (B) Only 1,2 and 4
  • (C) 1,2,3,4
  • (D) Only 4 and 5

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ