Answer Posted / er.rajeev yadav

here are some difference between c and c++ ---
1. C is a PROCEDURE oriented programming language.
-> C++ is a OBJECT oriented programming language.
2. We can do programming through STRUCTURE,but NOT with the
help of the CLASS.
-> We can do programming through CLASS in c++.
3. C is a LOW level language.
->C++ is a HIGH level language.
4. C is a TOP->BOTTOM programming approch.
->C++ is a BOTTOM->TOP programming approch.
5. C is a collection of FUNCTIONS.
-> C++ is a collection of FUNCTIONS and/or CLASS.
6. c language main focuses on PROCEDURES.
-> c++ programming main focuses on OBJECTS.
7. In C,DATA can be MOVE openly around in the system from
function to function.
-> In C++,DATA is HIDDEn.It can not be accessed by external
functions.
8.C can not support all the feature of the C++.while c++
support all the features of C.
9. C NEEDS FORMAT CHARACTERS for printing & scanning.
-> C++ DOES NOT REQUIRED FORMAT SPECIFIER for printing and
scanning variable.
10. C variables are DECLARED in declaration section.
-> C++ variables are DECLARED any where in the program.
11. In C,we use PRINTF() ,SCANF() as standard input/output
functions.
-> In C++,we can use COUT<< or CIN>> as standard
input/output function.
12. In C,you can NOT OVERLOAD a function.
-> In C++ ,you can OVERLOAD the operator as well as
functions.
13. C does NOT have NAMESPACE for avoid name collisions.
-> c++ has NAMESPACE feature.
14.C does NOT have REFERENCE variables.
-> In C++ ,REFERENCE variables are USED in functions.
15. In C,constants are defined as 'MACROS'.
-> We can make a use of 'CONST' TO declare a constant.
16.In C program , the MAIN() should NOT RETURN a value.
-> In C++,MAIN() should RETURN a value.
17. C does NOT SUPPORT DEFAULT arguments.
-> C++ PROVIDES DEFAULT argument concept.

There are two base class B1,B2 and there is one class D which is derived from both classes, Explain the flow of calling constructors and destructors when an object of derived class is instantiated.

1996

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6562

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1167

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Write a program to compute for numeric grades for a course. The course records are in a file that will serve as the input file. The input file is in exactly the following format: Each line contains a student's first name, then one space, then ten quiz scores all on one line. The quiz scores are in whole number and are separated by one space. Your program will take it input from this file and sends it output to a second file. The data in the output file will be exactly the same as the data in the input file except that there will be one additional number (of type double) at the end of each line. This number will be the average of the student's ten quiz scores. Use at least one function that has file streams as all or some of its arguments.

3084

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1168

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1070

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