C and C++ are both programming languages, but they have some significant differences.

C is a procedural programming language that was developed in the 1970s and is widely used for system programming and developing operating systems, device drivers, and other low-level applications. It provides a simple and direct way to access hardware resources and is easy to learn for beginners.

C++, on the other hand, is an extension of C and was developed in the 1980s with the aim of adding object-oriented features to the language. C++ is a multi-paradigm language that supports object-oriented, procedural, and generic programming. It has a larger standard library compared to C, providing functionality for string processing, mathematical operations, and data structures.

1. Object-Oriented Programming: C++ introduces the concepts of classes, objects, inheritance, polymorphism, and encapsulation, which are the pillars of object-oriented programming. C, on the other hand, is a procedural language and does not support object-oriented programming.
2. Standard Template Library (STL): C++ has a rich standard library, known as the Standard Template Library (STL), which provides a large collection of reusable templates for containers, algorithms, and iterators. The STL makes it easy to perform common tasks like sorting, searching, and manipulating containers, which can be time-consuming in C.
3. Exception Handling: C++ provides built-in support for exception handling, which is a mechanism for detecting and handling runtime errors. In C, error handling must be done manually using error codes or other techniques.
4. Operator Overloading: C++ allows operators such as +, -, *, /, and others to be redefined for user-defined data types. This allows for a more natural expression of operations and can make code easier to read and understand. C does not support operator overloading.
5. Namespaces: C++ allows you to define namespaces, which are used to organize code and prevent naming collisions. Namespaces make it easier to manage large codebases and avoid naming conflicts between different parts of the code.
6. Function Overloading: C++ allows you to define multiple functions with the same name but different arguments. This is called function overloading and can simplify code by allowing the same functionality to be implemented in multiple ways. C does not support function overloading.

In conclusion, while both C and C++ have their own strengths, C++ provides many additional features that make it more suitable for developing complex and large-scale applications, especially those that require object-oriented programming.