Answer Posted / priyanshu arya (delhi)

1.C is a structured programming language while C++ is an
object programming language .
2.c++ support operator overloading but c doesn't support
operator overloading
3. C employs top down approach, but c++ employes buttom up
approach.
4.C give emphasis in algorithims and functions, but C++
give emphasis on the data and objects.
5.In C we are using #include<stdio.h> as header file, but
in C++ we are using #include<iostream.h> as header file.
6.In C memory allocation is done with malloc statement
whereas in C++ it is done through new keyword.Also memory
is deallocated in C using free statement while in C++
deallocation takes place through delete.
7. *Inline functions are not available in C.
8.The I/O functions are entirely different in C and C++
(ex: printf( ), scanf( ) etc. are part of the C language).
9.Structures in C cannot have functions
10.You cannot overload a function in C (i.e. you cannot
have 2 functions with the same name in C).
11.C does not have reference variables (in C++
referencevariables are used in functions).
12.In other worlds C is used more with hardware while C++
is used more with software, mainly because of more
abstraction and features in C++.
13.You have to include the struct keyword before the name
of the struct type to declare a struct: In C++, you could
do this, and have a new instance of a_struct called
struct_instance. In C, however, we have to include the
struct keyword when declaring struct_instance
14.C++ has a much larger library than C, and some things
may be automatically linked in by C++ when they are not
with C.

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