Top 150+ Solved C# Programming MCQ Questions Answer

Previous
From 46 to 60 of 144
Next

Q. Which of the following can be used to terminate a while loop and transfer control outside the loop? 1. exit while 2. continue 3. exit statement 4. break 5. goto

a. 1,3

b. 2,4

c. 3,5

d. 4,5

  • d. 4,5
View Details

Q. Which of the following statements are correct about the C#.NET code snippet givenbelow? if (age > 18 && no < 11) a = 25; 1. The condition no < 11 will be evaluated only if age > 18 evaluates to True. 2. The statement a = 25 will get executed if any one condition is True. 3. The condition no < 11 will be evaluated only if age > 18 evaluates to False. 4. The statement a = 25 will get executed if both the conditions are True. 5. && is known as a short circuiting logical operator.

a. 1,3

b. 2,5

c. 1,4,5,

d. 3,4,5

  • c. 1,4,5,
View Details

Q. Which of the following is the correct output for the C#.NET code snippet given below?Console.WriteLine(13 / 2 + " " + 13 % 2);

a. 6.5 1

b. 6.5 0

c. 6 0

d. 6 1

  • d. 6 1
View Details

Q. Which of the following statements are correct? 1. Instance members of a class can be accessed only through an object of that class. 2. A class can contain only instance data and instance member function. 3. All objects created from a class will occupy equal number of bytes in memory. 4. A class can contain Friend functions. 5. A class is a blueprint or a template according to which objects are created.

a. 1,3,5

b. 2,4

c. 3,5

d. 2,4,5

  • a. 1,3,5
View Details

Q. Which of the following is the correct way to create an object of the class Sample? 1. Sample s = new Sample(); 2. Sample s; 3. Sample s; s = new Sample(); 4. s = new Sample();

a. 1,3

b. 2,4

c. 1,2,3

d. 4,5

  • a. 1,3
View Details

Q. Which of the following statements is correct about constructors?

a. If we provide a one-argument constructor then the compiler still provides a zeroargument constructor.

b. Overloaded constructors have the same name as the class name

c. Overloaded constructors cannot use optional arguments.

d. If we do not provide a constructor, then the compiler provides a zero-argument constructor.

  • d. If we do not provide a constructor, then the compiler provides a zero-argument constructor.
View Details

Q. Which of the following statements is correct?

a. There is one garbage collector per program running in memory.

b. There is one common garbage collector for all programs.

c. An object is destroyed by the garbage collector when only one reference refers to it.

d. We have to specifically run the garbage collector after executing Visual Studio.NET.

  • b. There is one common garbage collector for all programs.
View Details

Q. 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.

a. 1,2,3

b. 3,4

c. 2,4,5

d. 3,5

  • a. 1,2,3
View Details

Q. Which one of the following statements is correct?

a. Array elements can be of integer type only.

b. The rank of an Array is the total number of elements it can contain.

c. The length of an Array is the number of dimensions in the Array.

d. The default value of numeric array elements is zero.

  • d. The default value of numeric array elements is zero.
View Details

Q. Which of the following statements are correct about arrays used in C#.NET? 1. Arrays can be rectangular or jagged. 2. Rectangular arrays have similar rows stored in adjacent memory locations. 3. Jagged arrays do not have an access to the methods of System.Array Class. 4. Rectangular arrays do not have an access to the methods of System.Array Class. 5. Jagged arrays have dissimilar rows stored in non-adjacent memory locations.

a. 1,2

b. 1,3,5

c. 3,4

d. 1,2,5

  • d. 1,2,5
View Details

Q. Which of the following statements are correct? 1. A struct can contain properties. 2. A struct can contain constructors. 3. A struct can contain protected data members. 4. A struct cannot contain methods. 5. A struct cannot contain constants.

a. 1,2

b. 3,4

c. 1,2,4

d. 3,5

  • a. 1,2
View Details

Q. Which of the following will be the correct output for the C#.NET code snippet givenbelow? String s1 = "ALL MEN ARE CREATED EQUAL"; String s2; s2 = s1.Substring(12, 3); Console.WriteLine(s2);

a. ARE

b. CRE

c. CR

d. REA

  • b. CRE
View Details

Q. If s1 and s2 are references to two strings, then which of the following is the correct way to compare the two references?

a. s1 is s2

b. s1=s2

c. s1==s2

d. s1.Equals(s2)

  • d. s1.Equals(s2)
View Details

Q. Which of the following statements is correct about an Exception?

a. It occurs during compilation.

b. It occurs during linking.

c. It occurs at run-time.

d. It occurs during Just-In-Time compilation.

  • c. It occurs at run-time.
View Details

Q. Which of the following statements are correct about exception handling in C#.NET? 1 If an exception occurs then the program terminates abruptly without getting any chance to recover from the exception. 2 No matter whether an exception occurs or not, the statements in the finally clause (if present) will get executed. 3 A program can contain multiple finally clauses. 4 A finally clause is written outside the try block. 5 Finally clause is used to perform cleanup operations like closing the network/database connections.

a. 1 only

b. 2 only

c. 2 and 5 only

d. 3 and 4 only

  • c. 2 and 5 only
View Details

Related Topics

Subscribe Now

Get All Updates & News