If we are going to search a book_name/author_name in management system that will be _______ ?*Functional UnitER-ModelTesting UnitNon-Functional unit

Break Down the Problem

1. Identify the context of the question regarding a management system.
2. Understand the classifications of units mentioned: Functional Unit, ER-Model, Testing Unit, and Non-Functional Unit.

Relevant Concepts

3. Functional Unit: This refers to parts of a system that handle specific functions, like searching for a book based on its name or author.
4. ER-Model: Entity-Relationship Model is used to describe the data and relationships in databases, but not directly involved in the function of searching.
5. Testing Unit: This relates to validating aspects of the system, rather than searching functionality.
6. Non-Functional Unit: Refers to aspects of the system's operation, such as performance and security, rather than its functional capabilities.

Analysis and Detail

7. The action of searching for a book by name or author is a specific task that falls under the operations provided by a system.
8. Therefore, the term that best describes searching for a book in this context would be the Functional Unit. This is because it handles specific functions like data retrieval.

Verify and Summarize

9. Given the context and definitions of each unit, the correct answer aligns with the functionalities executed in a management system.

Final Answer

Functional Unit.