67 terms

My System Analysis Ch.4

STUDY
PLAY
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
In addition to helping to gather and analyze facts, many programs also perform fact-finding for systems analysts.
False
Although taking notes during an interview has both advantages and disadvantages, the accepted view is that note taking should be extensive.
False
Greater user involvement in the system development process usually results in ____.
more satisfied users
The ability to manage information is the mark of a successful systems analyst and an important skill for all IT professionals.
True
The main objective of all RAD approaches is to extend development time and expense by excluding users from every phase of systems development.
False
In projects where it is desirable to obtain input from a large number of people, a(n) ____, such as that shown in the accompanying figure, can be a valuable tool.
questionnaire
____ is a typical example of a system requirement for the control category.
The system must maintain separate levels of security for users and the system administrator
System documentation always is up to date.
False
Knowledge of a company's formal and informal structures helps a systems analyst determine the people to interview during the systems analysis phase.
True
____ is a typical example of a system requirement for the output category
The contact management system must generate a daily reminder list for all sales reps
Creating a standard list of interview questions helps a systems analyst to keep on track and avoid unnecessary tangents.
True
When designing a questionnaire, the most important rule of all is to make sure that questions collect the right data in a form that can be used to further fact-finding.
True
In an interview, ____ limit or restrict the response.
closed-ended questions
Compared with traditional methods, when properly used, JAD can result in ____.
more accurate statement of system requirements
better understanding of common goals
stronger commitment to the success of the new system
A(n) ____ is a top-down representation of a function or a process.
FDD
____ is a typical example of a system requirement for the input category.
Student grades must be entered on machine-scannable forms prepared by the instructor
When preparing a representative sample from a list of 200 customers who complained about errors in their statements, a ____ might select any 20 customers.
random sample
Because of the limited range of input and interaction among participants, few companies believe that a JAD group produces the best definition of a new system.
False
The primary advantage of RAD is that ____.
systems can be developed more quickly with significant cost savings
A graphic modeling program allows you to manage details of a complex project, create queries to retrieve specific information, and generate custom reports.
False
____ is a typical example of a system requirement for the output category.
The contact management system must generate a daily reminder list for all sales reps
____ is a typical example of a system requirement for the process category.
The equipment rental system must not execute new rental transactions for customers who have overdue tapes
In addition to direct costs, systems developers must identify and document indirect expenses that contribute to the ____.
TCO
When conducting an interview, after asking a question, allow the person enough time to think about the question and arrive at an answer.
True
The ____ phase of the SDLC includes four main activities: requirements modeling, data and process modeling, object modeling, and consideration of development strategies
systems analysis
A single site visit usually gives true pictures, so it is unnecessary to visit more than one installation.
False
A common tool for showing the distribution of a questionnaire or sampling results is a vertical bar chart called a(n) ____.
histogram
In a sequence diagram, vertical arrows represent messages from one object to another.
False
RAD relies heavily on ____.
prototyping
When designing a questionnaire, arrange questions in a random order, intermixing simple and more complex topics.
False
One of the main activities in the systems analysis phase is ____ modeling, which involves fact-finding to describe the current system and identification requirements for the new system.
requirements
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
An agile approach emphasizes continuous feedback, and each incremental step is affected by what was learned in the prior steps.
True
In a(n) ____, team members prepare to lunge at each other to achieve their objectives.
scrum
When studying an information system, examples of actual documents should be collected using a process called ____.
sampling
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.
False
The personal interview usually is the least expensive fact-finding technique.
False
Software such as Microsoft OneNote is a type of ____ software.
Project data management
IT professionals recognize that successful systems must be user-oriented, and users need to be involved, formally or informally, at every stage of systems development.
True
Microsoft has developed a method for measuring a system's total costs and benefits, called ____, which is a framework to help IT professionals analyze and optimize IT investments
REJ
The kind of document shown in the accompanying figure starts with a heading, which should include all except which of the following ____.
a brief statement of purpose
In an interview, ____ limit or restrict the response.
closed-ended questions
In an interview, ____ encourage spontaneous and unstructured responses.
open-ended questions
A(n) ____ diagram shows the timing of interactions between objects as they occur.
sequence
____ is a typical example of a system requirement for the performance category.
The student records system must produce class lists within five hours after the end of registration
When fact-finding, asking what is being done is the same as asking what could or should be done.
False
When recording and documenting information, Microsoft Word can create _____.
reports
summaries
tables
forms
Some ____, such as Microsoft Outlook, include a personal calendar, a to-do list, and powerful contact management features.
PIMs
In a(n) ____ structure, which usually is based on interpersonal relationships, some people have more influence or knowledge than appears on an organization chart.
informal
The main objective of a sample is to ensure that it represents the overall population accurately.
True
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
To evaluate ____, a systems analyst needs information about projected future volume for all outputs, inputs, and processes.
scalability
If an interviewee gives only short or incomplete responses to open-ended questions, a systems analyst should do which of the following ____.
switch to closed-ended questions
Each activity within the systems analysis phase has an end product and one or more milestones.
True
A category of information management software or programs designed for the large amount of information generated by an IT project is called _____.
PIM
Which of the following is a general category of system requirements?
inputs
____ are especially important to a systems analyst who must work with people at all organizational levels, balance conflicting needs of users, and communicate effectively.
Interpersonal skills
Supporters of neutral locations for interviews believe that it ____.
keeps interruptions to a minimum so people can concentrate fully
The term ____ refers to a system's ability to handle increased business volume and transactions in the future.
scalability
System requirements fall into five general categories: outputs, inputs, processes, performance, and controls.
True
In an interview, ____ are questions that ask a person to evaluate something by providing limited answers to specific responses or on a numeric scale.
range-of-response questions
When preparing a checklist of specific tasks to observe and questions to ask, a systems analyst should consider ____.
asking sufficient questions to ensure a complete understanding of the present system operation
observing all steps in a transaction and noting the documents, inputs, outputs, and processes involved
talking to the people who receive current reports to see whether the reports are complete, timely, accurate, and in a useful form
Correct examining each form, record, and report
When preparing a representative sample from a list of 200 customers who complained about errors in their statements, a ____ might select every tenth customer for review.
systematic sample
Personal observation allows a systems analyst to verify statements made in interviews and determine whether procedures really operate as they are described.
True
Because use cases depict a system through the eyes of a user, common business language can be used to describe the transactions.
True
When recording facts, a systems analyst should document the work by ____.
recording information as soon as it is obtained
recording findings in such a way that they can be understood by someone else
organizing documentation so related material is located easily
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