An entry in an online encyclopedia that refers to another entry whose title has been changed is an example of _________.

• A) Dangling pointer
• B) Reference pointer
• C) NULL pointer
• D) This pointer

In C++, which operator is used for memory allocation?

• A) Calloc
• B) Allocate
• C) New
• D) Allocate_memory

Where can we declare a friend function in the class?

• A) Anywhere
• B) Main()
• C) Void
• D) Nowhere

Which one is correct syntax for declaration of a function which can return a reference?

• A) datatype& function_name (parameter list)
• B) &datatype function_name (parameter list)
• C) datatype (parameter list) &function_name
• D) &function_name datatype (parameter list)

In the following code, what will be the output of i? #include<iostream> using namespace std; main() { int i; int &j = i; i = 123; cout<< "\n The value of i =" << i; }

• A) 321
• B) 012345x
• C) 123
• D) X012345

In C++, sizeof operator is used to determine ____________.

• A) Number of words
• B) Size of data type
• C) Length of string
• D) Length of words

calloc() functions allocates multiple blocks of memory and each block have _______?

• A) Same size
• B) Different length
• C) Same length
• D) Different size

Which one is the correct syntax to declare the friend function?

• A) FRIEND return_type friend_function_name(int, char);
• B) friend return_type friend_function_name(int, char);
• C) Friend return_type (int, char);
• D) FRIEND friend_function_name(int, char);

If the memory in the free store is not sufficient enough to fulfill the request, malloc () function returns ________.

• A) NULL
• B) 1
• C) 0
• D) -1

Data encapsulation can be achieved through ________.

• A) Structures
• B) Arrays
• C) Pointers
• D) Classes

The return type of malloc () function is ________.

• A) float pointer
• B) void pointer
• C) NULL pointer
• D) int pointer

C/C++ has many libraries which contain variables and function names normally starting with ____.

• A) Hash
• B) Hyphen
• C) Underscore
• D) Semi-Colon

Short data type store ______ bytes of memory.

• A) 3
• B) 2
• C) 4
• D) 1

Which data type from the following will take lesser space in memory?

• A) int
• B) char
• C) float
• D) short

In C++, which of the following option has the correct meaning of the expression “a <= b” ?

• A) a is less than b
• B) a is greater than b
• C) a is less than or equal to b
• D) a is greater than or equal to b

Normally, the float data type is half of the size of ___________.

• A) double
• B) short
• C) char
• D) int

In C++, cout is known as ______.

• A) input stream
• B) output stream
• C) file stream
• D) error stream

What will be the output of following C++ program? #include <iostream> using namespace std; int main() { int num1 = 10; int num2 = 20/3; int sum; sum = num1 + num2; cout << "The sum is: " << sum << endl; return 0; }

• A) The sum is: 19
• B) The sum is: 16
• C) The sum is: 18
• D) The sum is: 20

In C/C++, which of the following data type is used to store real numbers?

• A) int
• B) float
• C) char
• D) boolean

Which of the following is an example of logical operator?

• A) &&,||
• B) <,>
• C) +,*
• D) /,%