Question 1

To overload a method which of the following statement is false?

Accepted Answer

A) If the return type is different methods are overloaded 
B) Name of the overloaded method should be same 
C) Type of the parameter should be different 
D) Order of the parameter should be different if types are same

Question 2

Which of the following is the correct size of a Decimal datatype?

Accepted Answer

A) 8 bytes 
B) 4 bytes 
C) 10 bytes 
D) None of the above

Question 3

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.

Accepted Answer

A) 1,2,3 
B) 3,4 
C) 2,4,5 
D) 3,5

Question 4

Which method have same name as that of its class?

Accepted Answer

A) delete 
B) class 
C) constructor 
D) None of mentioned

Question 5

Which of the following can be used to terminate a while loop and transfer control outside the loop?1. exit while2. continue3. exit statement4. break5. goto

Accepted Answer

A) 1,3 
B) 2,4 
C) 3,5 
D) 4,5

Question 6

Struct's data members are ____________ by default.

Accepted Answer

A) Protected 
B) Public 
C) Private 
D) Default

Question 7

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

Accepted Answer

A) ARE 
B) CRE 
C) CR 
D) REA

Question 8

Which of the following statements is correct about constructors in C#.NET?

Accepted Answer

A) A constructor cannot be declared as private 
B) A constructor cannot be overloaded 
C) A constructor can be a static constructor 
D) None of the mentioned

Question 9

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.

Accepted Answer

A) 1 only 
B) 2 only 
C) 2 and 5 only 
D) 3 and 4 only

Question 10

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();

Accepted Answer

A) 1,3 
B) 2,4 
C) 1,2,3 
D) 4,5

Question 11

C# does not support _____ constructors.

Accepted Answer

A) parameterized 
B) parameter-less 
C) Class 
D) Method

Question 12

Storage location used by computer memory to store data for usage by an application is ?

Accepted Answer

A) Pointers 
B) Constants 
C) Variable 
D) None of the mentioned

Question 13

Which one of the following statements is correct?

Accepted Answer

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.

Question 14

A _______ creates an object by copying variables from another object.

Accepted Answer

A) Copy constructor 
B) Default constructor 
C) Invoking constructor 
D) Calling constructor

Question 15

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.

Accepted Answer

A) 1,2 
B) 3,4 
C) 1,2,4 
D) 3,5

Question 16

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.

Accepted Answer

A) 1,2 
B) 1,3,5 
C) 3,4 
D) 1,2,5

Question 17

Which of these can be overloaded?

Accepted Answer

A) Constructors 
B) Methods 
C) Both a & b 
D) None of the mentioned

Question 18

Which of the following statements is correct?

Accepted Answer

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.

Question 19

Number of constructors a class can define of ?

Accepted Answer

A) 1 
B) 2 
C) Any number 
D) None of the mentioned

Question 20

A structure in C# provides a unique way of packing together data of ______ types.

Accepted Answer

A) Different 
B) Same 
C) Invoking 
D) Calling

Exam 2: C Programming: Data Types, Constructors, Inheritance, and Exception Handling