Functional decomposition is a repetitive process of breaking the description

1
Question: Functional decomposition is a repetitive process of breaking the description or perspective of a system down into finer and finer detail.
 
A True
 
B False

2

 
Question: The way a user can move from one display to another best describes
 
A Dialogue sequence
 
B Transition plan
 
C Menu-driven interface
 
D Screen sequence
 
E Computer interface

3
Question: Which of the following focuses on how information is provided to and captured from users?
 
A Structure chart
 
B Flow chart
 
C Entity-relationship diagram
 
D PERT diagram
 
E Interface and dialogue design

4
Question: The number of entity types that participate in a relationship refers to
 
A Cardinality
 
B Association
 
C Count
 
D Degree
 
E Normalization

5

 
Question: The primary deliverable from the conceptual data-modeling step within the analysis phase is
 
A A state-transition diagram
 
B An entity-relationship diagram
 
C A context data flow diagram
 
D A decision table
 
E Structured English

6

 
Question: Desired features are those that users could live without but that are used to select between design strategies that are of almost equal value in terms of essential features.
 
A True
 
B False

7
Question: One of the primary purposes of a DFD is to represent time, giving a good indication of whether data flows occur constantly in real time, once a day, or once a year.
 
A True
 
B False

8
Question: The calculation of an employee's salary would be represented on a data-flow diagram as a(n)
 
A Data flow
 
B Source
 
C Data store
 
D Process
 
E Action stub

9

 
Question: During systems design, a conceptual data model with attributes is prepared.
 
A True
 
B False

10
Question: An entity instance is a single occurrence of an entity type.
 
A True
 
B False

11
Question: When designing textual output, you should use single spacing wherever possible.
 
A True
 
B False

12
Question: During systems implementation and operation
 
A A conceptual data model (E-R with attributes) is prepared
 
B A logical model (relational) is prepared
 
C Physical files and database designs are prepared
 
D An enterprise-wide data model is prepared
 
E Database and file definitions are prepared

13
Question: The top-down approach to data modeling derives a data model from an intimate understanding of the nature of the business.
 
A True
 
B False

14
Question: Which of the following is a guideline for displaying text?
 
A Use double spacing if space permits
 
B Do not hyphenate words between lines
 
C Left-justify text and leave a ragged right margin
 
D Display text in mixed upper- and lowercase and use conventional punctuation
 
E All of the above are guidelines for displaying text

15
Question: Data contained on a customer order form would be represented on a data-flow diagram as a
 
A Process
 
B Data flow
 
C Source
 
D Sink
 
E Relationship

16

 
Question: Completeness, consistency, timing, iterative development, and primitive DFDs are guidelines for drawing DFDs.
 
A True
 
B False

17
Question: Which of the following is a true statement regarding a data store?
 
A Data can move directly from one data store to another data store
 
B Data stores illustrate relationships among entities
 
C A data store has a noun phrase label
 
D Data can move from an outside source to a data store
 
E A data store shows data in motion
 
 

18

 
Question: Designing usable forms and reports requires your active interaction with users.
 
A True
 
B False

19
Question: The most common format used for data modeling is
 
A State-transition diagramming
 
B Entity-relationship diagramming
 
C Process modeling
 
D Logic modeling
 
E A flowchart

20
Question: A data-flow diagram that represents a system's major processes, data flows, and data stores at a high level of detail refers to a
 
A Context diagram
 
B Level-1 diagram
 
C Level-0 diagram
 
D Level-00 diagram
 
E Logic diagram

21
Question: Each of the following is a guideline for displaying text except
 
A Use abbreviations and acronyms instead of full text
 
B Do not hyphenate words between lines
 
C Left-justify text and leave a ragged right margin
 
D Display text in mixed upper- and lowercase and use conventional punctuation
 
E Use double spacing if space permits

22
Question: Designing usable forms and reports requires
 
A Prototyping
 
B Data modeling
 
C Active interaction with end users
 
D Process modeling
 
E Using structured analysis

23
Question: While essential features help screen out possible solutions, desirable features help compare alternative design strategies.
 
A True
 
B False

24
Question: The names of data stores on primitive-level data flow diagrams often correspond to the names of data entities in entity-relationship (E-R) diagrams.
 
A True
 
B False

25

 
Question: A data flow represents data in motion, moving from one place in the system to another.
 
A True
 
B False