CS201 Final term Paper 2010 - 5

 FINALTERM  EXAMINATION

Spring 2010

CS201- Introduction to Programming

Time: 90 min

M a r k s: 58

Question No: 1      ( M a r k s: 1 ) 

If it is required to copy an array to another array then,

       ► Both arrays must be of the same size and data type

       ► Both arrays may be of different size

       ► Both arrays may be of different data type

       ► Both arrays may be of different size and type

Question No: 2      ( M a r k s: 1 )

Dealing with structures and functions passing  by reference is the most economical method

       ► True

       ► False

Question No: 3      ( M a r k s: 1 ) 

eof( ), bad( ), good( ), clear( ) all are manipulators.

       ► True

       ► False

(zubair,vuzs,jul2011)

Question No: 4      ( M a r k s: 1 ) 

Overloaded new operator function takes parameter of type size_t and returns

       ► void (nothing)

       ► void pointer

       ► object pointer

       ► int pointer

Question No: 5      ( M a r k s: 1 )

When new operator is overloaded at global level then corresponding built-in new operator will not be visible to whole of the program.

       ► True

       ► False

Question No: 6      ( M a r k s: 1 ) 

If there is more than one statement in the block of a for loop, which of the following must be placed at the beginning and the ending of the loop block?

       ► parentheses ( )

       ► braces { }

       ► brackets [ ]

       ► arrows

Question No: 7      ( M a r k s: 1 ) 

The return type of a function that do not return any value must be  ________

       ► float

       ► int

       ► void

       ► double

Question No: 8      ( M a r k s: 1 ) 

UNIX has been developed in ________ language.

       ► JAVA

       ► B

       ► C

       ► FORTRAN

Question No: 9      ( M a r k s: 1 )

Like member functions, ______ can also access the private data members of a class.

       ► Non-member functions

       ► Friend functions

       ► Any function outside class

       ► None of the given options

Question No: 10      ( M a r k s: 1 )

Which of the following statement is best regarding declaration of friend function?

       ► Friend function must be declared after public keyword.

       ► Friend function must be declared after private keyword.

       ► Friend function must be declared at the top within class definition.

       ► It can be declared anywhere in class as these are not affected by the public and private keywords.

Question No: 11      ( M a r k s: 1 )

The operator function overloaded for an Assignment operator (=) must be

       ► Non-member function of class

       ► Member function of class

       ► Friend function of class

       ► None of the given options

Question No: 12      ( M a r k s: 1 )

The endl and flush are _______

       ► Functions

       ► Operators

       ► Manipulators

       ► Objects

Question No: 13      ( M a r k s: 1 ) 

If a symbolic constant has been defined, it will be an error to define it again.

       ► True

       ► False

Question No: 14      ( M a r k s: 1 )

The operator used for casting, in C, is standard ________ operator.

       ► none of the given options.

       ► cast

       ► cost

       ► const

Question No: 15      ( M a r k s: 1 ) 

Constructors can not be overloaded like ordinary functions.

       ► True

       ► False

Question No: 16      ( M a r k s: 1 ) 

Which of the following function call is correct for the function prototype?

defaultParameters ( int a, int b = 7, char z = ‘*’ );

       ► defaultParameters (5);

       ► defaultParameters (5, ‘8’);

       ► defaultParameters (6, ‘#’);

       ► defaultParameters (0, 0, ‘*’, 0);

Question No: 17      ( M a r k s: 1 ) 

When an operator function is defined as member function for a binary Plus (+) operator then the number of argument it take is/are.

       ► Zero

       ► One

       ► Two

       ► N arguments

Question No: 18      ( M a r k s: 1 )

We can not define a variable of user-defined data type in the class.

       ► True

       ► False

Question No: 19      ( M a r k s: 1 )

When an object of a class is defined inside an other class then,

       ► Constructor of enclosing class will be called first

       ► Constructor of inner object will be called first

       ► Constructor and Destructor will be called simultaneously

       ► None of the given options

Question No: 20      ( M a r k s: 1 )

The appropriate data type to store the number of rows and colums of the matrix is____________.

       ► float

       ► int

       ► char

       ► none of the given options.

Question No: 21      ( M a r k s: 1 )

Class is a user defined___________.

       ► data type

       ► memory referee

       ► value

       ► none of the given options.

Question No: 22      ( M a r k s: 1 )

 A pointer variable can be,

       ► Decremented

       ► Incremented

       ► Multiplied

       ► Both Decremented and Decremented

Question No: 23      ( M a r k s: 1 ) 

NULL value has been defined in ______ and _________ header files.

       ► strings.h and iostream.h

       ► ctype.h and conio.c

       ► conio.c and conio.h

       ► stdlib.h and stddef.h

Question No: 24      ( M a r k s: 1 ) 

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: 25      ( M a r k s: 1 )

"setprecision" manipulator will set

       ► The number of digits after the decimal point

       ► The number of digits before the decimal point

       ► The number of digits in a number

       ► None of the given options

Question No: 26      ( M a r k s: 1 ) 

Which of the following option will be true, if we overload "-=" operator?

       ► only - operator needs to be overloaded

       ► Minus (-) and = operators need to be overloaded

       ► the -= operator need to be overloaded explicitly

       ► the - and = operators need to be overloaded implicitly

Question No: 27      ( M a r k s: 2 )

Suppose there is a template function ‘func’ having argument of type U and return type T. What will be the C++ syntax to call this function, passing a variable ‘x’ of type double and returning an int type?

Question No: 28      ( M a r k s: 2 )

Which variable will be used in inner code block if we have the same names of variable at outer code block and inner code block?

Question No: 29      ( M a r k s: 2 )

What is the benefit of reference and where can we use it?

Question No: 30      ( M a r k s: 2 )

Write the C++ code for the declaration of overloaded stream insertion and stream extraction operator for the object d of type Date.

Question No: 31      ( M a r k s: 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      ( M a r k s: 3 )

If the requested memory is not available in the system then what does calloc/malloc and new operator return?

Question No: 33      ( M a r k s: 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      ( M a r k s: 5 )

What is difference between Unary and binary operators and how they can be overloaded?

Question No: 35      ( M a r k s: 5 )

Suppose we have the following class.

class Matrix

{

private:

int Elements[3][3];

};

Write the operator function of stream extraction operator (>>) for this class.

Question No: 36      ( M a r k s: 5 )

What is meant by user interface and class interface in C++ ? And what role a class interface can play in user interface [Marks 5]