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UIT Chapter 8 Study Guide



True/False
Indicate whether the statement is true or false.
 

 1. 

Bits, bytes, fields, records, files, databases, and networks are the different levels of data stored in a data storage hierarchy. 
 

 2. 

A byte of data is the same as a character. 
 

 3. 

A field of data is a collection of records. 
 

 4. 

A collection of related fields is a record. 
 

 5. 

A file is a collection of related fields. 
 

 6. 

A field within a record that is chosen to uniquely identify the record is the main field. 
 

 7. 

Most popular database management programs provide a graphical query-building tool, to aid users who do not have a thorough knowledge of SQL. 
 

 8. 

Filename extensions follow a period and may be up to five letters long. 
 

 9. 

Software instructions are stored in program files. 
 

 10. 

A database management system (DBMS) is a collection of programs that controls the structure of a database and access to the data. 
 

 11. 

A data dictionary is a document or a file that stores the data definitions and descriptions of the structure of data used in the database. 
 

 12. 

The report generator is a database component that enables recovery of the database contents after system failures. 
 

 13. 

The database administrator coordinates all related activities and needs for an organization's database. 
 

 14. 

A database analyst is responsible for coordinating and managing all the activities of a database. 
 

 15. 

If a database model arranges fields or records in related groups (like a family tree), it is an organizational chart database. 
 

 16. 

In a hierarchical database, a child record is also called a member. 
 

 17. 

In a hierarchical database, there are no limits or restrictions to the number of possible links among records. 
 

 18. 

In network database terminology, a parent record is called a member. 
 

 19. 

A hierarchical database is more flexible than a network database. 
 

 20. 

In a relational database, it is important to maintain a physical order of records or fields in a table. 
 

 21. 

A hypertext database or web database is a type of object-oriented database. 
 

 22. 

An object-oriented database uses software written in small, reusable chunks as elements within the database file. 
 

 23. 

Data mining is the process of removing errors and inconsistencies from data. 
 

 24. 

Meta-data is cleansed data, which indicates the origin of the data, the transformations it has undergone, and summary information about it. 
 

 25. 

A special database of cleansed data is a data dictionary. 
 

 26. 

Marketers use data mining tools to extract point-of-sale databases of retail stores, which contain facts for thousands of products in hundreds of geographic areas. 
 

 27. 

The buying and selling of products and services via computer networks is B-commerce. 
 

 28. 

A B2B system allows businesses to sell goods or services to other businesses using the internet or a private network. 
 

 29. 

B-webs provide extra revenue from ancillary services, such as financing and logistics. 
 

 30. 

The marketing & sales function of an organization builds products or provides services.
 

 31. 

Human resources department is the same as the personnel department. 
 

 32. 

The production (operations) function of an organization oversees advertising, promotion and sales. 
 

 33. 

The type of manager that is concerned with long-range, or strategic, planning and decisions is an operations manager. 
 

 34. 

The type of manager that makes tactical decisions to implement the strategic goals of an organization is a top manager. 
 

 35. 

A schematic showing the hierarchy of formal relationships among an organization's employees is an organization chart. 
 

 36. 

The type of manager that makes operational decisions by following well-defined set of routine procedures is a middle-level manager. 
 

 37. 

An office automation system combines various technologies such as voice mail, fax machines, and others in order to reduce the manual labor. 
 

 38. 

A computer-based information system that keeps track of the transactions needed to conduct business is a transaction processing system. 
 

 39. 

Management information system uses data recorded by TPS as input into programs that produce routine reports as output. 
 

 40. 

A decision support system is a computer-based information system that provides a flexible tool for analysis and helps managers to focus on the future. 
 

 41. 

A set of interactive computer programs that helps users solve problems without the assistance of a human expert is an authority system. 
 

 42. 

Automated Virtual Representatives (vReps) offer computer-generated images that answer customer questions in real time, using natural language. 
 

 43. 

An expert system is an interactive computer program used in solving problems that would otherwise require the assistance of a human expert. 
 

 44. 

Artificial intelligence (AI) is a group of related technologies used for stem cell research.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 45. 

A field is a unit of data consisting of a collection of ________. 
a.
characters
c.
records
b.
tables
d.
files
 

 46. 

What is one byte of data also called? 
a.
character
c.
record
b.
field
d.
file
 

 47. 

Which of the following is NOT a level of the data storage hierarchy? 
a.
bit
c.
record
b.
byte
d.
network
 

 48. 

A record is a collection of related ________. 
a.
characters
c.
fields
b.
tables
d.
files
 

 49. 

A file is a collection of related ________. 
a.
characters
c.
fields
b.
tables
d.
records
 

 50. 

What is a field that is chosen to uniquely identify a record called? 
a.
main field
c.
high field
b.
super field
d.
key field
 

 51. 

Filename extensions, follow a period and may be up to ________ letters in length. 
a.
three
c.
five
b.
four
d.
six
 

 52. 

If a file contains software instructions, then it is a ________ file. 
a.
statistics
c.
data
b.
program
d.
key
 

 53. 

In a database management system, the ________ is a document or file that stores the data definitions and descriptions of the structure of data used in the database. 
a.
access security
c.
report generator
b.
data dictionary
d.
DBMS utility
 

 54. 

What are programs that help a database to be maintained, by creating, editing, and deleting data, records, and files? 
a.
access security
c.
report generator
b.
data dictionary
d.
DBMS utilities
 

 55. 

Which of the following is a program that produces an on-screen or printed document from all or part of a database? 
a.
access security
c.
report generator
b.
data dictionary
d.
DBMS utilities
 

 56. 

The person who coordinates all activities and needs for an organization's database is the ________. 
a.
database administrator
c.
database analyst
b.
database manager
d.
database master
 

 57. 

Which of the following is NOT a task performed by the database administrator (DBA)? 
a.
Determining user access privileges
c.
Installing hardware
b.
Assisting in establishing priorities for requests
d.
Developing user documentation
 

 58. 

Which type of database model arranges fields or records in related groups whereby each child record can have only one parent record? 
a.
hierarchical database
c.
distributed database
b.
network database
d.
object-oriented database
 

 59. 

What is a parent record called in network database terminology? 
a.
guest
c.
member
b.
owner
d.
resident
 

 60. 

What is a child record called in network database terminology? 
a.
guest
c.
member
b.
owner
d.
resident
 

 61. 

Which type of database model is similar to a hierarchical database, but allows each child record to have more than one parent record? 
a.
hierarchical database
c.
distributed database
b.
network database
d.
object-oriented database
 

 62. 

Which type of database model connects data in different files through the use of a key field?
a.
hierarchical database
c.
relational database
b.
network database
d.
object-oriented database
 

 63. 

Which of the following is NOT an example of database terminology? 
a.
tuples
c.
qualities
b.
attributes
d.
relations
 

 64. 

Which of the following clauses is NOT a component of structured query language (SQL)? 
a.
SELECT...FROM statement
c.
ORDER BY clause
b.
WHERE clause
d.
WHEREBY clause
 

 65. 

Which type of database uses software written in small, reusable chunks as elements within database files? 
a.
hierarchical database
c.
distributed database
b.
network database
d.
object-oriented database
 

 66. 

Which of the following is the computer-assisted process of sifting through and analyzing vast amounts of data to extract meaning and discover new knowledge? 
a.
data mining
c.
data warehousing
b.
e-commerce
d.
business-to-business systems
 

 67. 

What is the process of removing errors and inconsistencies from data called? 
a.
data cleansing
c.
data buffing
b.
data polishing
d.
data manipulation
 

 68. 

What describes contents of a data warehouse? 
a.
omega data
c.
data area
b.
meta data
d.
warehouse data
 

 69. 

What is a special database of cleansed data called? 
a.
data warehouse
c.
shared database
b.
relational database
d.
data area
 

 70. 

What data mining (DM) tool is used to catalog galaxies? 
a.
SKICAT
c.
GALAXOR
b.
IDIS
d.
query-and-report
 

 71. 

The buying and selling of products and services via computer networks is called ________. 
a.
data mining
c.
commerce
b.
e-commerce
d.
data warehousing
 

 72. 

What enables businesses to sell goods or services to other businesses using the internet or a private network? 
a.
DBMS
c.
data mining
b.
B2B
d.
mirroring
 

 73. 

Which department of an organization makes products or provides services? 
a.
human resources
c.
production (operations)
b.
marketing & sales
d.
research & development
 

 74. 

Which department of an organization recruits people? 
a.
human resources
c.
production (operations)
b.
marketing & sales
d.
research & development
 

 75. 

Which function of an organization oversees advertising, promotion, and sales? 
a.
human resources
c.
production (operations)
b.
marketing & sales
d.
research & development
 

 76. 

A schematic showing the hierarchy of formal relationships among an organization's employees is a(n) ________. 
a.
management chart
c.
management tree
b.
organization chart
d.
relationship chart
 

 77. 

The ________manager is concerned with long-range, or strategic planning and decisions.
a.
operational
c.
top
b.
tactical
d.
principal
 

 78. 

The ________ manager makes tactical decisions to implement the strategic goals of an organization. 
a.
operational
c.
top
b.
tactical
d.
principal
 

 79. 

The ________ manager makes operational decisions by following a well-defined set of routine procedures. 
a.
operational
c.
top
b.
tactical
d.
principal
 

 80. 

Which of the following statements about managers is incorrect? 
a.
Top-level managers make strategic decisions.
c.
Operational managers make analytical decisions.
b.
Lower management makes operational decisions.
d.
Middle-level managers make tactical decisions.
 

 81. 

In a business organization, a recorded event having to do with routine business activities is a ________. 
a.
model
c.
operation
b.
transaction
d.
contract
 

 82. 

A system that combines various technologies such as voice mail, fax machines, and others in order to reduce the manual labor is a(n) ________ system. 
a.
office processing
c.
decision support
b.
office automation
d.
executive support
 

 83. 

A computer-based information system that keeps track of the transactions needed to conduct business is a(n) ________ system. 
a.
transaction processing
c.
executive support
b.
office automation
d.
decision support
 

 84. 

A computer-based information system that uses data recorded by transaction processing system as input into programs that produce routine reports as output is a(n) ________ system. 
a.
office automation
c.
management information
b.
executive support
d.
decision support
 

 85. 

If you were in operational (lower) management, which type of computer-based information system would you use? 
a.
transaction processing system (TPS)
c.
decision support system (DSS)
b.
management information system (MIS)
d.
executive support system (ESS)
 

 86. 

A computer-based information system that provides a flexible tool for analysis and helps managers focus on the future is a(n) ________ system. 
a.
office automation
c.
executive support
b.
decision support
d.
transaction processing
 

 87. 

An easy-to-use decision support system that specifically supports strategic decision-making is a(n) ________ system. 
a.
executive support
c.
decision support
b.
office automation
d.
trasnaction processing
 

 88. 

If you were in top management, which type of computer-based information system would you use? 
a.
transaction processing system (TPS)
c.
executive support system (ESS)
b.
management information system (MIS)
d.
decision support system (DSS)
 

 89. 

A set of interactive computer programs that help users solve problems that would otherwise require the assistance of a human expert is a(n) ________ system.
a.
expert
c.
professional
b.
authority
d.
influence
 

 90. 

What is the software that controls the structure of a database and access to the data? 
a.
office suite
c.
spreadsheet
b.
database management system
d.
database suite
 

 91. 

What program is used to screen out dangerous commercial airline passengers? 
a.
CAPPS II
c.
report generator
b.
TUI
d.
MVS
 

 92. 

The right of a person to avoid disclosure of his or her personal information is called ________. 
a.
secrecy
c.
personality
b.
privacy
d.
rationality
 

 93. 

The crime in which thieves hijack a person's name and identity to gain money or purchase goods is called ________. 
a.
theft of privacy
c.
theft of rationality
b.
theft of identity
d.
theft of secrecy
 



 
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