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Worksheets158.225 Requirements Determination
Total questions: 50
Worksheet time: 23mins
Which of the following is not a characteristic of a good system analyst?
Impertinence
Impartiality
Inattention to details
Reframing
Requirements determination from existing written documents can be obtained from the following, EXCEPT
Mission and strategy statements
Business forms
Reports from existing systems
Training manuals
An interview guide is a document for developing, planning, and conducting an observation
True
False
Which of the following is the drawback of group interviews?
Contradictions and inconsistencies between interviewees
Follow-up discussions are time consuming
New interview may reveal new questions that require additional interviews
Difficult to schedule for an interview
Which of the following is not true about direct observation?
Watching users do their jobs
Can cause people to change their normal operating behavior
Used to obtain more second-hand and objective measures of employee interaction with IS
Time consuming and limited time to observe
True/False: The chances to explore and inquire more is higher for observation as compared to document analysis.
True
False
Which of the following is not a contemporary methods for determining system requirements?
JAD
CASE Tools
System Prototypes
Document Analysis
Prototyping is an __________ process of systems development which __________ are converted to a working system that is continually revised.
iterative, requirements
iterative, design
non-repetitive, requirements
non-repetitive, design
True/False: Business Process Reengineering (BPR) is the search for and impementation of radical change in business processes to achieve breakthrough improvements in products and services.
True
False
True/False: Disruptive technologies are technologies that enable the breaking of short-held business rules that inhibit organizations from making radical business changes
True
False
True/False: Requirements Determination using agile methodologies allows the frequent involvement of users in the system development process.
True
False
Something that an IS must do or a property that it must have
Functional requirement
System requirement
Feature
Non-functional requirement
Which of the following is not a common type of the fact finding technique?
Sampling
Interviews
Reverse engineering
Questionnaire
A question that restricts to either specific choices or short, direct responses
Unstructured interview
Closed ended question
Open ended question
Structured interview
Technique characterized by having predetermined pattern or plan for selecting sample data
Stratification
Work sampling
Observation
Randomization
Process of managing change to requirements
Process management
Requirements management
Requirements definition
Requirements discovery
Tool used to identify, explore, and depicts problems and the causes and effects of those problems
Context diagram
Fish bone diagram
DFD
Logical diagram
Which of the following does not fall under the criteria for systems requirements
Accurate
Reliable
Verifiable
Consistent
Which of the following does not fall under functional requirements?
Processes
Stored data
Performance
Outputs
Technique that delivers information systems functionality and requirements through versioning
Brain storming
Time boxing
Prototyping
BPR
"My work is to go through the paper work of the company in order to establish what data is inputted and outputted within the current system" What research method is described above?
Collecting Documents
Interviews
Observation
Questionnaire
"All staff were given a handout containing questions that had to be answered and returned within a week" Which research method is described above
Collecting Documents
Interviews
Observation
Questionnaire
Observations, interviews, questionnaires all take place during which stage?
Design
Evaluation
Analysis
Documentation
The secretary of a company was observed for three days to find out how she works with the information management system. Select one disadvantage of this exercise.
The system analyst can use non verbal communication like facial expressions in order to see how the secretary works with the system.
The system analyst is able to pick any concepts that may be too hard to explain by the secretary who is not good at IT.
It is difficult to prepare all the materials required to log the observations.
The secretary might have modeled a different behavior due to the fact that she is being observed.
This type of data measures values or counts and are expressed as numbers
Quantitative data
Qualitative data
Non-numerical data. Collected through methods of observations or interviews.
Quantitative data
Qualitative data
Which would be an example of an open-ended question?
What do you like best about Product A?
Do you like the colour of Product A?
Which would be the best way to gather quantitative data?
Interview
Questionnaire
Document analysis
Observation
Select two advantages of using questionnaires
Gather a lot of responses in a short space of time
Respondents can elaborate on answers easily
Responses can be analysed easily
Anonymous so respondents may not answer truthfully or may rush answers
Results will clearly illustrate all processes that take place within the current system
It is acceptable to interview respondents as a team rather than one to one?
True
False
Select two advantages of interviews
Easy to set a time and date for group interview
All respondents will answer truthfully
Body language can be read and logged
Follow up questions can be asked for further detail
Observations can involve: (select all that apply)
Sitting with users, and asking questions for clarification of tasks as they are completed.
Following the data process from inputting data with admin staff, processing methods and output information for customers.
Walking round the office observing how information is shared.
Asking a series of prepared questions and logging the responses.
What are the main two advantages of observations?
Identify ways in which the system can be improved
Identify any inefficiencies that could be improved upon
Users may work at a faster and more efficient rate than normal
Easy to record and analyse findings
This specification includes the purpose and objectives of the system as well as the processes
Requirements specification
Design specification
System specification
If a system is being developed where the customers are not sure of what they want, the requirements are often poorly defined. Which of the following would be an appropriate process model for this type of development?
Prototype
Waterfall
RUP
Incremental
What makes requirements elicitation difficult?
Bounding scope
Understanding user need
Requirements volatily
All of the above
Below are the generic activities for requirement engineering process EXCEPT...
Requirements elicitation & analysis
Requirements evolution
Requirements validation
Requirements management
Requirements elicitation also known as requirements discovery.
True
False
All listed are techniques to elicit requirements EXCEPT
Interviewing
Scenarios
Questionnaire
Ethnography
During the requirements validation process, different types of check should be carried out on the requirements in the requirements documents. Which type of checks is not included?
Security checks
Validity checks
Completeness checks
Realism checks
Ethnography is an observational technique that can be used to understand operational process and help derive support requirements for these process.
True
False
Which one is a technique for requirement validation?
Sampling
Interview
Prototyping
Case study
Requirements management is the process of managing changing requirements during the requirement engineering process and system development.
True
False
Technique used to study and problems and determine their causes and effects
Feasibility analysis
Cause and effect analysis
Problem analysis
Fact finding
Myles is studying a system to lessen the number of complaints about the Help Desk. He has formally studied the service counter at Wal-Mart, Target and Kohl’s department stores; as well as listened in to complaint phone calls to a hotel booking site. He is trying to see how other organizations work at lessening complaints and also how they handle complaints. This would be what type of analysis?
Complaint processing
Design analysis
Problem analysis
Outcome analysis
Informal benchmarking
Hamid has selected one middle manager from each department that will be affected by the updated system and one lower-level manager from each department, along with a few senior staff as well as the project sponsor for a JAD session. He is trying to: _________
Balance the work load for departments so the regular day-to-day functions can still continue while the JAD team is off-site
Create a new hybrid department that will beta test the final system
Prevent domination by only a few individuals in the JAD session
Have a broad mix of organizational levels in the JAD session
Reduce the time necessary for the length of JAD session meetings
Marta wants to collect facts and opinions from a wide range of geographically dispersed people quickly and with the least expense. She would probably want to use:
Document analysis
Interview
JAD session
Observation
Questionnaires
Maria, a systems analyst, is tweaking the high-level explanation of the business requirements into a more precise list of requirements. This is called ‘requirements detemination’.
True
False
In interviews, Ross has learned that the new order entry system must be available in at least three formats (mobile, web browser, and local area network based); that it must function in either English or Spanish; and that the system must return order forms and data in less than 2 seconds. He recognizes these as nonfunctional requirements.
True
False
