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Answer:
Binary information must be encoded in some way before transmission over the Internet. ... Copper wire is used to transmit binary messages using electricity - a voltage on the wire means one state, and no voltage means the other. Fiber-optic cables, on the other hand, use light (on or off) to transmit a binary message.
The report footer section appears at the bottom of the last page. The correct option is b.
<h3>What is a report footer section?</h3>
The report footer is that contain the report items. It is placed in the last page or the bottom of the report border. It is present only one time exactly at the last page.
Thus, the correct option is b, at the bottom of the last page.
Learn more about report footer section
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The term "Folder" is used in an OS GUI to describe a specialized file that contains information about the locations of other files. OS stands for Operating System and GUI stands for Graphic User Interface, the interface that allows users to interact with computers. Folder is <span>an icon on a computer screen. By clicking it the user access a directory containing related files or document.</span>
Answer:
Logical Data Model
Explanation:
An Entity Relationship Diagram (ERD) is a model or a diagram designed to reveal the relationship between various entities such as people, places, objects, and so on within an institution. Entity relationship diagram is also known as Entity relationship model. This model is used to design relational database by various sectors such as education, engineering, business, etc.
<u>ERD is designed using conceptual data model, logical data model, and physical data model</u>.
The visual practice or model that gives more insight into the logical relations among the entity is the logical data model.
The logical data model is used to illustrate more detailed operational and relational data among the entities. It is more detailed than the conceptual data.
So, the correct answer is logical data model.