Answer:
1. A. True
2. A. True
3. B. Conceptual.
4. Three (3).
Explanation:
An Entity-Relationship Model is used in databases to describe the structure and relationship between data elements known as entities.
1. True: In the Entity-Relationship Model, relationships can have attributes.
2. True: Attributes are the smallest division of data in ER diagram.
3. Conceptual: the level of abstraction which the Entity-Relationship Model most concerned with.
4. Consider the following relationship involving two entities, students and classes: A student can take many classes. A class can be taken by many students. The number of tables which can be used to represent this relationship in a schema is 3 because we are having three (3) parameters which are simply the students and the two entities.
In database management, the term "schema" is used to denote a representation of data.
A database schema is a structure which is typically used to represent the logical design of the database and as such represents how data are stored or organized and the relationships existing in a database management system. There are two (2) main categories of a database schema; physical database schema and logical database schema.
Dichotomous variables
Explanation:
A variable is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item.
Answer:
Ports
Explanation:
ports are interface or connection point between a computer and external devices. There are slots in all the sides of a computer such as Ian, usb, HDMI, etc. These ports are connection point of mouse, keyboard , external hdd to the computer.
Let us assume that Sam has an Active Directory Domain in his SOHO network. He can use features that come with an AD domain to deploy software packages via Group Policy Objects. These features from Microsoft not only give us simple ways to deploy software, but also provide solutions to uninstall too. Another option to consider using is through 3rd party software solutions like PDQ Deploy. This tool will help deploy any Windows application to multiple PCs in the same workgroup.
