A bit more specific: which one is fastest, and which one give you the most control over your computer? And why is this? Other differences are fine also.
Yarr
3  1447  
What C++ has that C doesn't:
1) member functions - remember you can use these with structs
2) automatic initialization and cleanup
3) function overloading
4) operator overloading
5) inline functions
6) templates
7) much tighter const rules
8) less dangerous typecasts
9) exception handling
10) Run-time type identification
11) namespaces
12) conversion operators
13) memory mangement with automatic initialization
14) scope resolution operator
15) The C++ Standard Template Library
None of the above have anything to do with OOP.
Generally, C++ is faster than C. I know it sounds like a hand-crafted C whiz-bang would be faster than code generated by a C++ compiler but this usually not true.
Remember, if you need it truly fast you just invoke the inline assembler and put your assembly code right in your C++ program. Now you can write your assembly instructions each by one.
Finally, keep in mind that a lrage part of C and the C libraries are deprecated in C++ because of the extreme danger they pose to crashing your code or making it accessible to viruses.
And how meaningful is the question "what language is the fastest"? Very often, that is a matter of program design. (I'm a Java programmer, so I would say that, eh?)
Generally, C++ is faster than C.
That's the first time I've heard that. Not that I've been tracking this or anything.
Now you can write your assembly instructions each by one.
Everything should be done in assembly.
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