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Which of the following statements are CORRECT?
1) Static allocation of all data areas by a compiler makes it impossible to implement recursion.
2) Automatic garbage collection is essential to implement recursion
3) Dynamic allocation of activation records is essential to implement recursion
4) Both heap and stack are essential to implement recursion
  • a)
    1 and 2 only 
  • b)
    2 and 3 only 
  • c)
    3 and 4 only 
  • d)
    1 and 3 only 
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which of the following statements are CORRECT?1) Static allocation of ...
Statement 1 – True
Dynamic memory allocation is necessary for implementing recursion because the number of function calls is not known in advance, requiring the use of a function call stack.
Statement 2 – False
Automatic garbage collection is not essential for recursion implementation, as languages provide specific functions for manual memory management.
Statement 3 – True
Dynamic memory allocation is required for recursion since the exact number of function calls cannot be predetermined.
Statement 4 – False
Recursion requires a stack structure. If a heap is used, it must be simulated as a stack for recursion purposes. The heap is generally used for user-driven dynamic memory allocation and is not needed for function calls. Thus, both stack and heap are not required simultaneously; either one is sufficient to implement recursion.
Therefore, statements 1 and 3 are true.
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