MIS 3140 CHAPTER 1,2 & 4 QUESTIONS AND
VERIFIED ANSWERS
True - Answers - Data processing can be as simple as organizing data to reveal
patterns.
Data inconsistency - Answers - ____ exists when different versions of the same data
appear in different places.
A spreadsheet - Answers - Which of the following is an example of structured data?
True - Answers - One disadvantage of a database system over previous data
management approaches is increased costs.
True - Answers - A data warehouse can store data derived from many sources.
True - Answers - Initially the files within a computer file system were similar to manual
files.
False - Answers - Corporations use only structured data.
False - Answers - Data and information are essentially the same thing.
True - Answers - The only way to access the data in a database is through the DBMS.
Workgroup - Answers - A(n) ____ database supports a relatively small number of users
(usually fewer than 50) or a specific department within an organization.
File - Answers - A ____ is a collection of related records.
False - Answers - An operational database is sometimes referred to as an enterprise
database.
True - Answers - Metadata present a more complete picture of the data in the database
than the data itself.
False - Answers - Structural dependence exists when it is possible to make changes in
the file structure without affecting the application program's ability to access the data.
False - Answers - The DBMS reveals much of the database's internal complexity to the
application programs and users.
, False - Answers - Information implies familiarity, awareness, and understanding
knowledge as it applies to an environment.
True - Answers - Historically, a manual file system was composed of a system of file
folders and filing cabinets.
True - Answers - Data constitute the building blocks of information.
distributed - Answers - A ____ database supports data distributed across several
different sites.
False - Answers - One disadvantage of the DBMS is that it increases the risk of data
security breaches.
The entity relationship model is limited to conceptual modeling, with no implementation
component.
True or False - Answers - True
A manager and a programmer usually have the same view of the same data.
True or False - Answers - False
An implementation-ready data model should contain a description of the data structure
that will store the end-user data.
True or False - Answers - True
A(n) ____ is bidirectional.
a. attribute
b. entity
c. relationship
d. constraint - Answers - Relationship
Data modeling starts with a very complex representation, and as knowledge of the
problem is gained, the model is simplified.
True or False - Answers - True
Within the database environment, a data model represents data structures with the
purpose of supporting a specific problem domain.
True or False - Answers - True
MySQL is an example of a(n) ____.
a. hierarchical model
b. file system data model
c. relational data model
d. XML data model - Answers - Relational data model
VERIFIED ANSWERS
True - Answers - Data processing can be as simple as organizing data to reveal
patterns.
Data inconsistency - Answers - ____ exists when different versions of the same data
appear in different places.
A spreadsheet - Answers - Which of the following is an example of structured data?
True - Answers - One disadvantage of a database system over previous data
management approaches is increased costs.
True - Answers - A data warehouse can store data derived from many sources.
True - Answers - Initially the files within a computer file system were similar to manual
files.
False - Answers - Corporations use only structured data.
False - Answers - Data and information are essentially the same thing.
True - Answers - The only way to access the data in a database is through the DBMS.
Workgroup - Answers - A(n) ____ database supports a relatively small number of users
(usually fewer than 50) or a specific department within an organization.
File - Answers - A ____ is a collection of related records.
False - Answers - An operational database is sometimes referred to as an enterprise
database.
True - Answers - Metadata present a more complete picture of the data in the database
than the data itself.
False - Answers - Structural dependence exists when it is possible to make changes in
the file structure without affecting the application program's ability to access the data.
False - Answers - The DBMS reveals much of the database's internal complexity to the
application programs and users.
, False - Answers - Information implies familiarity, awareness, and understanding
knowledge as it applies to an environment.
True - Answers - Historically, a manual file system was composed of a system of file
folders and filing cabinets.
True - Answers - Data constitute the building blocks of information.
distributed - Answers - A ____ database supports data distributed across several
different sites.
False - Answers - One disadvantage of the DBMS is that it increases the risk of data
security breaches.
The entity relationship model is limited to conceptual modeling, with no implementation
component.
True or False - Answers - True
A manager and a programmer usually have the same view of the same data.
True or False - Answers - False
An implementation-ready data model should contain a description of the data structure
that will store the end-user data.
True or False - Answers - True
A(n) ____ is bidirectional.
a. attribute
b. entity
c. relationship
d. constraint - Answers - Relationship
Data modeling starts with a very complex representation, and as knowledge of the
problem is gained, the model is simplified.
True or False - Answers - True
Within the database environment, a data model represents data structures with the
purpose of supporting a specific problem domain.
True or False - Answers - True
MySQL is an example of a(n) ____.
a. hierarchical model
b. file system data model
c. relational data model
d. XML data model - Answers - Relational data model
