The Hierarchical Data Model Was Developed in the _____

question 7

Multiple Choice

The hierarchical data model was developed in the _____.

• A) 1960s
• B) 1970s
• C) 1980s
• D) 1990s

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Definitions:

Animal Sources

Origins or suppliers of products, substances, or organisms derived from animals, such as food, fibers, or research models.

Intrude

To enter without permission or welcome, often causing disruption or disturbance.

Pathogenic

Referring to an organism or substance capable of causing disease or illness in its host.