System Analysis and Design Chapter 3, 4, and 5 Study Guide

 Question 1
1 out of 1 points
Using Gane and Sarson symbols, a data flow diagram (DFD) represents processes as rectangles
with rounded corners.
Answer Tru
s: e
False
 Question 2
1 out of 1 points




A task that represents several activities is known as a _____.
Answer a.
s: task group
b.
task ID
c.
task name
d.
task
review
 Question 3
1 out of 1 points
When preparing a representative sample from a list of 200 customers who complained about errors in
their statements, a _____ could ensure the sample is balanced geographically by selecting five
customers from each of four zip codes.
Answer a.
s: comprehensive sample
b.
stratified sample
c.
systematic sample
d.
random sample
 Question 4
1 out of 1 points
_____ are important to a systems analyst who must work with people at all organizational levels,
balance conflicting needs of users, and communicate effectively.
Answer a.
s: Confrontational skills

, b.
Interpersonal skills
c.
Artistic skills
d.
Problem solving skills
 Question 5
1 out of 1 points
In a data dictionary, a(n) _____ is the smallest piece of data that has meaning within an information
system.
Answer a.
s: index
b.
record
c.
pixel
d.
field
 Question 6
1 out of 1 points
In the early stages of systems analysis, interviews usually focus on specific topics, but as the fact-
finding process continues, the interviews are more general.
Answer True
s:
Fals
e
 Question 7
1 out of 1 points
Which of the following is a typical example of a system requirement for the process category?
Answer a.
s: The system must be operated seven days a week, 365 days a year.
b.
All transactions must have audit trails.
c.
The equipment rental system must not execute new rental transactions for customers who
have overdue accounts.
d.
The website must report online volume statistics every four hours and hourly during peak
periods.
 Question 8
1 out of 1 points
_____ maintains consistency among data flow diagrams (DFDs) by ensuring that input and output
data flows align properly.

, Answer a.
s: Shipping
b.
Balancing
c.
Indexing
d.
Adapting
 Question 9
1 out of 1 points
Microsoft’s risk management model includes _____, which represents the likelihood that the risk will
happen.
Answer a.
s: category
b.
description
c.
trigger
d.
probability
 Question 10
1 out of 1 points
In addition to joint application development, another popular user-oriented method is _____, which
resembles a condensed version of the entire SDLC with users involved every step of the way.
Answer a.
s: rapid application development
b.
brainstorming
c.
sampling
d.
agile method
 Question 11
1 out of 1 points
Supporters of neutral locations for interviews believe that it _____.
Answer a.
s: makes the interviewee feel comfortable during the meeting
b.
gives the interviewee easy access to supporting material that might be
needed
c.

, keeps interruptions to a minimum so people can concentrate fully
d.
gives the interviewee an opportunity to take calls during the interview
 Question 12
1 out of 1 points
In addition to helping to gather and analyze facts, many programs also automatically perform fact-
finding for systems analysts.
Answer True
s:
Fals
e
 Question 13
1 out of 1 points
Due to the limited range of input and interaction among participants, few companies believe that a
joint application development (JAD) group does not produce the best definition of a new system.
Answer True
s:
Fals
e
 Question 14
1 out of 1 points
_____ is a model that asks the traditional fact-finding questions in a systems development context.
Answer a.
s: A functional decomposition diagram
b.
A class diagram
c.
The Zachman Framework for Enterprise Architecture
d.
The Unified Modeling Language
 Question 15
1 out of 1 points
Using _____, an analyst starts with an overall view, which is a context diagram with a single process
symbol, and then the analyst creates diagram 0, which shows more detail.
Answer a.
s: leveling
b.
balancing
c.
exploding
d.
indexing
 Question 16