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WAEC Data Processing 2015 Question 3

Question 3

Data and Information

The operation of checking input data against specified criteria is referred to as

  1. A.data verification.
  2. B.data validation.
  3. C.data cross check.
  4. D.data control.
Show the answer and explanation

Answer: B (data validation.)

Explanation

Validation checks that input obeys set rules (range, type, format); verification only checks it was copied correctly.