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Xii Compsc Hw

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Xii Compsc Hw

  1. 1. 1. Define : class , object 2. What is inline function?What points should you take care while making a function inline? 3. What do you understand by Copy constructor? Specify two instances when copy constructor is invoked? 4. Two overloaded functions are defined as: void choice (char, char); -(1) void choice (int , float); -(2) Which of functions will be called by following calls. choice(‘A’, 10); choice (10.5, 10.5); 5) Name the header files to which following standard functions belong: i) random() ii) gotoxy() iii) getc() iv) strcmpi() 6) Declare class height containing data members to store height of a person in feet and inches. Add suitable member functions to:  Read height of a person  Display height  Find and return taller out of two person’s height given as input to functions.  Convert height in cms. 7) Answer the questions a and b after going through the code : class exam { int mark ; char sub [ 30 ]; public : exam ( ) Function 1 { marks = 0 ; strcpy ( sub , “ computer “ ); }
  2. 2. exam ( char s [ ] ) Function 2 { marks = 0 ; strcpy ( sub , s ); } exam ( int m ) Function 3 { marks = m ; strcpy( sub , “ c ++ “ ); } exam ( char s [ ] , int m ) Function 4 { marks = m ; strcpy ( sub , s ); } } a. Write statements to execute all four functions (1) b. Can we over load a destructor . (1/2) c. What concept of OOPS is demonstrated by the four functions (1/2) 8) Define a class ELECTION with the following specifications . Write a suitable main ( ) function also to declare 3 objects of ELECTION type and find the winner and display the details . (3) Private members : Data : candidate_name , party , vote_received Public members : Functions : enterdetails ( ) – to input data Display ( ) – to display the details of the winner Winner ( ) – To return the details of the winner trough the object after comparing the votes received by three candidates . 9) Give any two characteristics of constructors and destructors. 10) Explain default constructor ans constructor with default values.

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