C# MCQ Assignment

C# MCQ Assignment

Question 1:

Which of the following is the correct syntax to declare a variable in C#?

1. int 4value;
2. int value;
3. int value=4;
4. int value=

Correct Answer: 2, 3

Question 2:

Which of the following is the entry point of a C# program?

1. Main()
2. Start()
3. Program()
4. Begin()

Correct Answer: 1

Question 3:

Which keyword is used to define an interface in C#?

1. interface
2. class
3. struct
4. enum

Correct Answer: 1

Question 4:

Which of the following is NOT a value type in C#?

1. int
2. float
3. double
4. string

Correct Answer: 4

Question 5:

Which of the following access modifiers allows a class member to be accessed from within the same assembly, but not from another assembly?

1. public
2. private
3. protected
4. internal

Correct Answer: 4

Question 6:

What is the size of an int data type in C#?

1. 2 bytes
2. 4 bytes
3. 8 bytes
4. 16 bytes

Correct Answer: 2

Question 7:

Which of the following statements is used to handle exceptions in C#?

1. try-catch
2. catch-try
3. try-error
4. handle-exception

Correct Answer: 1

Question 8:

What will be the output of the following code snippet?

csharpCopy codeint a = 10;
int b = 20;
int c = a + b;
Console.WriteLine(c);

1. 10
2. 20
3. 30
4. Compilation Error

Correct Answer: 3

Question 9:

Which of the following is used to read a line of text from the console in C#?

1. Console.ReadLine()
2. Console.Read()
3. Console.ReadText()
4. Console.ReadKey()

Correct Answer: 1

Question 10:

Which of the following statements correctly defines a method in C#?

1. void MyMethod(int a, int b) { }
2. void MyMethod(int a; int b) { }
3. void MyMethod(int a, int b);
4. void MyMethod(int a, int b)

Correct Answer: 1