Multiple choice technology programming languages

At compile time when an external file is read, what items are created?

  1. Program data vector (PDV) and Descriptor portion

  2. Input buffer, Program data vector (PDV) and Descriptor portion

  3. Input buffer and Descriptor portion

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

At compile time when reading an external file, SAS creates an input buffer (to hold the raw input record), the Program Data Vector (PDV - holding variable values), and the descriptor portion (dataset metadata). These are the three compile-time constructs.

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