Multiple choice

In the C language

  1. At most one activation record exists between the current activation record and the activation record for the main.

  2. The number of activation records between the current activation record and the activation record for the main depends on the actual function calling sequence.

  3. The visibility of global variables depends on the actual function calling sequence.

  4. Recursion requires the activation record for the recursive function to be saved on a different stack before the recursive fraction can be called.
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A Correct answer
Explanation

Activation record is the contiguous memory locations where the data needed by the program is kept so at most one activation record exist between current activation record & the record for the main.

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