Answer: False.
Answer analysis: Not all programming languages are based on C, this statement is wrong.
C language is indeed a high-level programming language. With its simple, efficient and portable features, it has become the basis of many other programming languages.
For example, programming languages such as C++, Java, Python, etc. have borrowed the syntax and structure of C language to a certain extent, but it does not mean that they are completely dependent on C language. These programming languages have added more functions and features on the basis of C language to adapt to different programming needs and application scenarios.
In fact, there are many kinds of programming languages, and each language has its own unique design concept and application scenario. In addition to C language and its derivative languages, there are many other types of programming languages, such as interpreted languages (such as Python, JavaScript), functional languages (such as Haskell, Scala), logical languages (such as Prolog), etc. These languages are significantly different from C language in terms of syntax, semantics, execution mode, etc., and they are not developed based on C language.
Therefore, it cannot be generalized that all programming languages are based on C. When choosing a programming language, you should consider factors such as the specific project requirements, the familiarity of the development team, and the compatibility of the technology stack.