Systems Analysis Test 2 Quiz Questions – Flashcards
42 test answers
Unlock all answers in this set
Unlock answers 42question
Which prototype includes only some, but not all, of the components of the final system?
answer
selected features prototype
Unlock the answer
question
Which kind of prototyping is most similar to what engineers call "breadboarding"?
answer
patched-up prototyping
Unlock the answer
question
A patched-up prototype is likely to be:
answer
inefficient
Unlock the answer
question
Which of these is a potential disadvantage of prototyping?
answer
shapes systems before problem is thoroughly understood
Unlock the answer
question
During the RAD design workshop:
answer
users respond to actual working prototypes and analysts refine designed modules based on the responses
Unlock the answer
question
Which of the following is a disadvantage of RAD?
answer
the project may not have any documentation
Unlock the answer
question
What are the reasons for why some analysts argue that prototyping should be considered an alternative to the SDLC?
answer
SDLC takes too long and user requirements change over time.
Unlock the answer
question
What are the 4 kinds of prototyping?
answer
1. patched-up 2. nonoperational 3. first of a series 4. selected features
Unlock the answer
question
T/F: An arrow is used to depict an external entity that can give and receive data from the system.
answer
False
Unlock the answer
question
T/F: Processes that transform data should be named with a noun which indicates the data that has been transformed.
answer
False
Unlock the answer
question
Which graphically characterize(s) processes and data flows through a business system?
answer
data flow diagrams
Unlock the answer
question
What is the middle of the process symbol used for?
answer
process description
Unlock the answer
question
The advantage of building data flow diagrams based on events is that:
answer
users are familiar with the events within their business and know how the events drive other activities
Unlock the answer
question
Partitioning on a data flow diagram for an ecommerece Web site may be used to show:
answer
security
Unlock the answer
question
A primitive process is:
answer
a process that is not exploded to a child diagram
Unlock the answer
question
When the data flow in and out of a parent process do not match the data flow in or out of a child diagram, it is called:
answer
unbalanced decomposition
Unlock the answer
question
A logical data flow diagram:
answer
is a model of how the business works
Unlock the answer
question
Physical data flow diagrams
answer
include processes for adding, updating, changing and deleting records
Unlock the answer
question
T/F: Data about data is called metadata.
answer
True
Unlock the answer
question
T/F: A data dictionary contains information about data flow diagram, but not entities or use cases.
answer
False
Unlock the answer
question
T/F: An alias for each element is another name for the data used by different users in different systems.
answer
True
Unlock the answer
question
T/F: The ideal data dictionary is automated, interactive, online, and evolutionary.
answer
True
Unlock the answer
question
What is a reference work of data about data compiled by systems analysts?
answer
data dictionary
Unlock the answer
question
A data flow that contains data that are used between processes is called:
answer
internal
Unlock the answer
question
A synonym or other name for an element is called a(n):
answer
alias
Unlock the answer
question
Since a single data flow may only show part of the collective data,
answer
many data flow may have to be examined to determine the contents of a data store
Unlock the answer
question
The data dictionary may be used to create;
answer
screens, reports, forms (all of the above)
Unlock the answer
question
T/F: Data flow is usually the first component to be stored in the data dictionary.
answer
True
Unlock the answer
question
Which is NOT related to conventional files?
answer
Files will remain a practical way to store data for some applications.
Unlock the answer
question
Which is an advantage of the database approach?
answer
It allows users their own view of the data
Unlock the answer
question
Which is incorrect about reality, data, and metadata?
answer
There are data item occurrences with the realm of files
Unlock the answer
question
What type of entity is used to represent repeating groups?
answer
attributive entity
Unlock the answer
question
What is a collection of data items that have something in common with the entity?
answer
a record
Unlock the answer
question
What is defined any data item in a record that is used to identify the record?
answer
key
Unlock the answer
question
What can be constructed by choosing two or more data items and combining them?
answer
concatenated key
Unlock the answer
question
Transaction files:
answer
are used to update master files and produce reports
Unlock the answer
question
Which of the following is true when implementing a one-to-many relationship?
answer
the file on the MANY end has a FOREIGN key consisting of the PRIMARY key on the ONE end.
Unlock the answer
question
Each master file should have programs to:
answer
update master file records, read and process records form the master file, add new records, delete master file records (ALL OF THE ABOVE)
Unlock the answer