which of the following client electronic data processing edp systems generally can b 602555

Which of the following client electronic data processing (EDP) systems generally can be audited without examining or directly testing the EDP computer programs of the system?

1. A system that performs relatively uncomplicated processes and produces detailed output.
2. A system that affects a number of essential master files and produces a limited output.
3. A system that updates a few essential master files and produces no printed output other than final balances.
4. A system that performs relatively complicated processing and produces very little detailed output.