Sample Questions Chapter 8

Sample Questions
Chapter 8
36) (True/False): The minimum cardinality of a relationship is the minimum number of instances of entity B that may be
associated with each instance of entity A.
Answer: TRUE
Diff: 2
Page Ref: 282
44) (True/False): Triggers are constraints on valid values for attributes.
Answer: FALSE
Diff: 2
Page Ref: 289
50) Which of the following is a true statement?
A) Data characteristics are dynamic.
B) A data model explains the transient form of an organization.
C) An information system design based on a data orientation, rather than a process or logic orientation, should have a longer
useful life.
D) Data flow paths are permanent.
Answer: C
Diff: 2
Page Ref: 267
74) The number of instances of entity B that can (or must) be associated with each instance of entity A refers to:
A) cardinality
B) domain
C) ternary occurrence
D) participation level
Answer: A
Diff: 2
Page Ref: 281
82) Which of the following specifies that if an entity instance of the supertype is a member of one subtype it cannot
simultaneously be a member of any other subtype?
A) total specialization rule
B) partial specialization rule
C) disjoint rule
D) overlap rule
Answer: C
Diff: 3
Page Ref: 286
90) The data manipulation operation (insert, delete, or update) that initiates the operation is called a(n):
A) condition
B) action
C) user rule
D) event
Answer: D
Diff: 3
Page Ref: 289
Chapter 9
38) (True/False): Denormalization reduces the chance of errors introduced by normalizing relations.
Answer: FALSE
Diff: 2
Page Ref: 348
48) (True/False): Multiple key retrieval is possible with the hashed file organization.
Answer: FALSE
Diff: 2
Page Ref: 352
56) During physical design, you consider:
A) the definitions of each attribute
B) the descriptions of where and when data are entered, retrieved, deleted, and updated
C) the expectations for response time and data integrity
D) all of the above
Answer: D
Diff: 2
Page Ref: 343
62) Which of the following is not a true statement regarding a relation?
A) Each relation consists of a set of named columns and an arbitrary number of unnamed rows.
B) Each column in a relation corresponds to an attribute of that relation.
C) An entry at the intersection of each row and column has a single value.
D) Each row in a relation corresponds to an attribute of that relation.
Answer: D
Diff: 2
Page Ref: 330
72) To convert a relation to second normal form, you decompose the relation into new relations using the attributes, called:
A) determinants
B) foreign key
C) pointer
D) relationship key
Answer: A
Diff: 2
Page Ref: 332
84) If a relationship exists among three or more entities, then:
A) recursive relationships must be established through the use of recursive foreign keys
B) a separate relation with a primary key that is the composite of the primary keys of each of the participating entities is created
C) separate relations are established for each class and for each of the subclasses
D) use the primary key of relation A as a foreign key in relations B and C
Answer: B
Diff: 3
Page Ref: 337
Chapter 10
42) (True/False): When designing forms and reports, issues related to a user's experience, skills, motivation, education, and
personality should not be considered.
Answer: FALSE
Diff: 2
Page Ref: 383
52) The type of document that is used to convey information on a collection of items is a:
A) report
B) diagram
C) letter
D) form
Answer: A
Diff: 2
Page Ref: 366
60) Which of the following is a report?
A) employment application
B) class registration sheet
C) product order form
D) invoice
Answer: D
Diff: 2
Page Ref: 366
70) All of the following are general guidelines for the design of forms and reports except:
A) meaningful titles should be used
B) extraneous information should be used to provide additional information as needed
C) the user should be able to navigate easily through the document
D) the layout should be balanced
Answer: B
Diff: 2
Page Ref: 371
82) Which of the following is not a true statement?
A) Tables are best when the users' task is related to finding an individual data value from a larger data set.
B) Line and bar graphs are more appropriate for gaining an understanding of data changes over time.
C) Providing sufficient white space often entails printing a report in portrait rather than in landscape orientation.
D) The key determination as to when you should select a table or a graph is the task being performed by the user.
Answer: C
Diff: 2
Page Ref: 380
90) When designing forms and reports, the environment characteristic addresses:
A) issues related to experience, skills, motivation, education, and personality
B) social issues such as the user's status and role, lighting, sound, task interruptions, temperature, and humidity
C) job activities that differ in the amount of information that must be obtained from or provided to the user
D) the platform in which the system is constructed influencing interaction styles and devices
Answer: B
Diff: 2
Page Ref: 382
Chapter 11
46) (True/False): When designing interfaces for Internet-based electronic commerce applications, the lack of maturity of Web
scripting and programming languages and the limitations in commonly used Web GUI component libraries create problems for
interface designers.
Answer: TRUE
Diff: 2
Page Ref: 423
58) The menu positioning method that places a menu near the current cursor position is the:
A) pop-up menu
B) drop-down menu
C) box menu
D) cursor menu
Answer: A
Diff: 2
Page Ref: 399
70) The selection of devices that the users will use for interaction is made during:
A) analysis
B) implementation
C) design
D) initiation and planning
Answer: C
Diff: 2
Page Ref: 403
84) Testing to assure that data is of proper type is the purpose of the:
A) expected values validation test
B) range validation test
C) class or composition validation test
D) values validation test
Answer: C
Diff: 2
Page Ref: 411
98) How can you avoid a hidden links error?
A) Make sure users can use the back button to return to prior pages.
B) Make sure your pages conform to users expectations by providing commonly used icon links.
C) Make sure users know which links are internal anchor points versus external links and indicate if a link brings up a separate
browser window from those that do not.
D) Make sure you leave a border around images that are links, do not change link colors from normal defaults, and avoid
embedding links within long blocks of text.
Answer: D
Diff: 3
Page Ref: 424