Answer:the main signal bearing entities are voltage and their current in circuit environments.
Explanation:
honestly i think ur answer would be D because it keeps you from flying out of the window
All of them are correct except the last one
The difference between a database system and a database model is that Database design is saved in the place known to be database schema, which is said to also been saved in the data dictionary. Data model is said to be a group or collection of construct that is known to be used for making a database and making designs for the databases.
<h3>What is a database systems?</h3>
A database is known to be a kind of organized makeup of structured information, or data, that are said to be saved electronically in a computer system.
The hierarchical structure is known to be used primarily to save geographic information as well as file systems.
Therefore, The difference between a database system and a database model is that Database design is saved in the place known to be database schema, which is said to also been saved in the data dictionary. Data model is said to be a group or collection of construct that is known to be used for making a database and making designs for the databases.
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The true statement is the report is grouped only because it gives information about employees by number of years of employment.
<h3>What is a group report?</h3>
Group reporting is made up of consolidation method and analytical reports and it gives information on the output of a firm.
Note that since there are different ranges of employment years, the report need to be grouped and as such, The true statement is the report is grouped only because it gives information about employees by number of years of employment.
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