Chapter 4 Flashcards
In a sequence diagram, vertical arrows represent messages from one object to another.
False
In addition to helping to gather and analyze facts, many programs also automatically perform fact-finding for systems analysts.
False
A popular user-oriented method is rapid application development (RAD), which resembles a condensed version of the entire SDLC, with users involved every step of the way.
True
True
The main objective of all rapid application development (RAD) approaches is to extend development time and expense by excluding users from every phase of systems development.
False
A list of topics should be sent to an interviewee several days before the meeting, especially when detailed information is needed, so the person can prepare for the interview and minimize the need for a follow-up meeting.
True
John has finished compiling a list of the various members of the joint application development (JAD) group and the list is as follows: John is the JAD project leader, Tom is the representative from top management, Jennifer is a manager, Alen and Ian are users, Linda and Alex are systems analysts, and Clark is the recorder.
As John develops the agenda, he wants to put the name of the appropriate person next to the agenda item. Whose name would he put next to the final task on the agenda, the task of documenting the results of the JAD session and preparing the report that will be sent to JAD team members?
His own
Which is a functional requirement?
a.
The contact management system shall generate a daily reminder list for all sales representatives.
b. Response time must not exceed four seconds. c. The system must be operational 7 days a week, 365 days a year.
The contact management system shall generate a daily reminder list for all sales representatives.
A(n) _____ is a characteristic or feature that must be included in an information system to satisfy business needs and be acceptable to users.
system requirement
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.
stratified sample
In a use case diagram, the user becomes a(n) _____, with a specific role that describes how he or she interacts with a system.
actor
The term “_____” refers to a system’s ability to handle increased business volume and transactions in the future
scalability
When phrasing interview questions, a systems analyst should avoid _____ that suggest or favor a particular reply.
leading questions
In an interview, _____ encourage spontaneous and unstructured responses.
open-ended questions
The primary advantage of rapid application development (RAD) is that _____.
systems can be developed more quickly with significant cost savings
