A File-Related Matrix Reveals That a File's Data Item a Is

question 51

Multiple Choice

A file-related matrix reveals that a file's data item A is used in six different reports,while data item B in the same file is not used in any report.The systems designer should consider

• A) using both data items A and B.
• B) deleting data item B and using only data item A.
• C) using neither data item A nor B.
• D) deleting data item A and using only data item B.

---

Definitions:

Hertz

The unit of frequency in the International System of Units (SI), equal to one cycle per second.

Pulsating

Describes a phenomenon where a physical quantity (such as current or voltage) varies in magnitude in a regular or irregular rhythm.

Linear

Pertaining to something that is directly proportional or follows a straight-line relationship in mathematics or physics.

Cosine

A trigonometric function that represents the ratio of the length of the adjacent side to the hypotenuse of a right-angled triangle.