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To find context-free grammars for specific languages, you can follow these steps:

  1. Identify the language's syntax and rules.
  2. Define a set of non-terminal symbols representing different components of the language.
  3. Define a set of terminal symbols representing the basic elements of the language.
  4. Create production rules that specify how the non-terminal symbols can be combined to form valid strings in the language.
  5. Verify that the grammar generates all valid strings in the language and only those strings.

By following these steps, you can construct a context-free grammar that accurately describes the syntax of the specific language.

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What is the difference between procedural and non-procedural languages?

AnswerProcedural languages are used in the traditional programming that is based on algorithms or a logical step-by-step process for solving a problem.A procedural programming language provides a programmer a means to define precisely each step in the performance of a task Non-procedural programming languages allow users and professional programmers to specify the results they want without specifying how to solve the problem. examples are FORTRAN,C++,COBOL,ALGOL etcOR we can put it this way:Procedural language determines WHAT & HOW a process should be done, Non-procedural language is concerned with the WHAT not the HOW. Non-proc languages are those languages where you specify what conditions the answer should satisfy, but not how to obtain it.


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