A Computer Operator Accidentally Used the Wrong Master File When

question 12

Multiple Choice

A computer operator accidentally used the wrong master file when updating a transaction file.As a result,the master file data is now unreadable.Which control could best have prevented this from happening?

• A) Internal header label
• B) Validity check
• C) Check digit
• D) Parity check

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Definitions:

Independent Variable

A variable in scientific research that is manipulated or changed to observe its effect on a dependent variable.

Continuous

Refers to data or a variable that can take on any value within a given range, not restricted to discrete values.

Scatterplot

A type of graph used in statistics to display values for two variables for a set of data, revealing any correlational patterns.

Statistically Significant

A term indicating that a result from data analysis is unlikely to have occurred by chance.