Question No: 1 ( Marks: 1 ) - Please choose one
In if structure the block of statements is executed only,
► When the condition is false
► When it contain arithmetic operators
► When it contain logical operators
► When the condition is true
Question No: 2 ( Marks: 1 ) - Please choose one
Header file: fstream.h includes the definition of the stream classes __________.
► ifstream, fstream, cout
► ifstream, fstream, ofstream
► fstream, cin, cout
► None of the above
Question No: 3 ( Marks: 1 ) - Please choose one
To access the data members of structure _______ is used.
► dot operator (.)
► * operator
► operator
► None of given.
Question No: 4 ( Marks: 1 ) - Please choose one
eof( ), bad( ), good( ), clear( ) all are manipulators.
► True
► False
Question No: 5 ( Marks: 1 ) - Please choose one
Which kind of functions can access private member variables of a class?
► Friend functions of the class
► Private member functions of the class
► Public member functions of the class
► Friend, private and public functions
Question No: 6 ( Marks: 1 ) - Please choose one
The return type of operator function must always be void.
► True
► False
Question No: 7 ( Marks: 1 ) - Please choose one
Friend function of a class is ______________ .
► Member function
► Non-member function
► Private function
► Public function
Question No: 8 ( Marks: 1 ) - Please choose one
Function implementation of friend function must be defined outside the class.
► True
► False
Question No: 9 ( Marks: 1 ) - Please choose one
The normal source of cin object is,
► File
► Disk
► Keyboard
► RAM
Question No: 10 ( Marks: 1 ) - Please choose one
Which of the following is correct way to initialize a variable x of int type with value 10?
► int x ; x = 10;
► int x = 10;
► int x, x = 10;
► x = 10;
Question No: 11 ( Marks: 1 ) - Please choose one
Consider the following code segment. What will be the output of the following program?
int func(int) ;
int num = 10 ;
int main(){
int num ;
num = 5 ;
cout << num ;
cout << func(num) ;
}
int func(int x){
return num ;
}
► 5, 5
► 10, 5
► 5, 10
► 10, 10
Question No: 12 ( Marks: 1 ) - Please choose one
With template function, the compiler automatically detects the passed data and generates a new copy of function using passed data.
► True
► False
Question No: 13 ( Marks: 1 ) - Please choose one
What will be the correct syntax to declare two-dimensional array of float data type?
► float arr{2}{2} ;
► float arr[2][2] ;
► float arr[2,2] ;
► float[2][2] arr ;
Question No: 14 ( Marks: 1 ) - Please choose one
The first parameter of operator function for << operator,
► Must be passed by value
► Must be passed by reference
► Can be passed by value or reference
► Must be object of class
Question No: 15 ( Marks: 1 ) - Please choose one
Heap is constantly changing in size.
► True
► False
Question No: 16 ( Marks: 1 ) - Please choose one
While calling function, the arguments are assigned to the parameters from _____________.
► left to right.
► right to left
► no specific order is followed
► none of the given options.
Question No: 17 ( Marks: 1 ) - Please choose one
Classes defined inside other classes are called ________ classes
► looped
► nested
► overloaded
► none of the given options.
Question No: 18 ( Marks: 1 ) - Please choose one
If we define an identifier with the statement #define PI 3.1415926 then during the execution of the program the value of PI __________.
► can not be replaced
► None of the given options
► Remain constant.
► can be changed by some operation
Question No: 19 ( Marks: 1 ) - Please choose one
Which value is returned by the destructor of a class?
► A pointer to the class.
► An object of the class.
► A status code determining whether the class was destructed correctly
► Destructors do not return a value.
Question No: 20 ( Marks: 1 ) - Please choose one
Every class contains _______________.
► Constructor
► Destructor
► Both a constructor and a destructor
► None of the given options
Question No: 21 ( Marks: 1 ) - Please choose one
A template function must have
► One or more than one arguments
► Only one argument
► Zero arguments
► None of the given options
Question No: 22 ( Marks: 1 ) - Please choose one
Structured Query Language is used for ______________
► Databases Management
► Networks
► Writing Operating System
► none of the given options
Question No: 23 ( Marks: 1 ) - Please choose one
When a call to a user-defined function finishes, the variable defined inside the function is still in existence.
► True
► False
Question No: 24 ( Marks: 1 ) - Please choose one
The precedence of an operator can be changed through operator overloading.
► True
► False
Question No: 25 ( Marks: 1 ) - Please choose one
A Matrix can be composed of ints, floats or doubles as their elements. Best way is to handle this , _______________
► Write a separate class to handle each
► Use templates
► Use strings to store all types
► None of the given options
Question No: 26 ( Marks: 1 ) - Please choose one
"delete" operator is used to return memory to free store, which is allocated by the "new" operator.
► True
► False
Question No: 27 ( Marks: 2 )
What is the difference between switch statement and if statement.
Question No: 28 ( Marks: 2 )
How can we initialize data members of contained object at construction time?
Question No: 29 ( Marks: 2 )
How the data members of a class are initialized with meaningful values?
Question No: 30 ( Marks: 2 )
Can we overload new and delete operators?
Question No: 31 ( Marks: 3 )
What will be the output of following functions if we call these functions three times?
1)
void func1(){
int x = 0;
x++;
cout << x << endl;
}
2)
void func2(){
static int x = 0 ;
x++;
cout << x << endl ;
}
Question No: 32 ( Marks: 3 )
What is the keyword ‘this’ and what are the uses of ‘this’ pointer?
Question No: 33 ( Marks: 3 )
Suppose an object of class A is declared as data member of class B.
(i) The constructor of which class will be called first?
(ii) The destructor of which class will be called first?
Question No: 34 ( Marks: 5 )
Write the general syntax of a class that has one function as a friend of a class along with definition of friend function.
Question No: 35 ( Marks: 5 )
Write down the disadvantages of the templates.
Question No: 36 ( Marks: 5 )
Write a program which defines five variables which store the salaries of five employees, using setw and setfill manipulators to display all these salaries in a column.
Note: Display all data with in a particular width and the empty space should be filled with character x
Output should be displayed as given below:
xxxxxx1000
xxxxxx1500
xxxxx20000
xxxxx30000
xxxxx60000
0 comments
Post a Comment