2023 1 Which kind of feasibility can be impacted by how the working environment of end users | Assignment Collections

2) which of the following is a fixed operating cost?
a. computer usage
b. lease payment
c. supplies
d. utilities
e. postage

3) The people who use or are affected by the information system on a regular basis, capturing, validating, entering, responding to, storing, and exchanging data and information, are
a. system users
b. system analysts
c. system builders
d. system owners
e. none of the above

4) The person who translates system users’ business requirements and constraints into technical solutions is a
a. network manager
b. systems builder
c. systems user
d. systems designer
e. none of the above

5) Which of the following types of questions should you ask in a questionnaire or interview?
a. loaded questions
b. biased questions
c. open-ended questions
d. leading questions
e. none of the above

6) Questionnaires that contain questions that require the selection of predefined responses are known as:
a. free-format questionnaires
b. interviews
c. fixed format questionnaires
d. both a and b
e. none of the above

7) A feasibility study uses all of the following major yardsticks to measure, or predict, a systems success except
a. professional feasibility
b. operational feasibility
c. technical feasibility
d. economic feasibility

8) Which of the following is considered a project resource?
a. people
b. services
c. facilities
d. money
e. all of the above

9). Which of the following emphasizes the drawing of pictorial system models to document the technical or implementation aspects of a new system?
a. joint application development
b. rapid application development
c. model-driven design
d. both rapid application development and joint application design
e. none of the above

10) Discrete, detailed activities or tasks required to complete the response to an event are known as?
a. elementary processes
b. primitive processes
c. elementary process or primitive processes
d. context processes
e. none of the above

11) A tool that depicts the flow of data through a system and the work or processing performed by that system is known as a?
a. entity relationship diagram
b. data flow diagram
c. decomposition structure diagram
d. use case diagram
e. none of the above

12) Logical models
a. remove biases that are not the result of the way the current system implemented.
b. reduce the risk of missing business requirements
c. communicate with end users in nontechnical or less technical languages
d. all of the above
e. none of the above

13) Output that is presented as columns of text and numbers is known as?
a. tabular
b. graphic
c. bar
d. zoned
e. none of the above

page 2
1) Which of he following input methods could best be used to enter a patients health record into a hospital’s computer system?
a. touch screen
b. optical mark
c smart cards
d. keyboards
e. biometric

2) A set of DFDs is a graphical, top-down model, so the correct sequence of diagrams is?
a. context diagram, then diagram O, then all the child diagrams for diagram O.
b. Diagram O, then the child diagrams, then all the context diagrams for the child diagram
c. child diagrams, then a context diagram, then diagram O for the context diagram
d. context diagram, then the child diagram, then diagram O for the child diagram

3) A language and syntax based on the relative strengths of structured programming and natural English used to specify the underlying logic of a process is known as?
a. Structured English
b. Pseudocode
c. flow charts
d. decision tables
e. none of the above

4) A gender field can hold only the values M or F. This is an example of?
a. key integrity
b. domain integrity
c. referential integrity
d. logical integrity
e. schema integrity

5) Which of the following are not criteria for producing a quality data model?
a. a good data model is simple
b. a good data model is flexible
c. a good data model is redundant
d. a good data model is adaptable to future needs
e. all of the above are criteria for producing a quality data model

6) What defines the minimum and maximum number of occurrences of one entity that may be related to a single occurrence of the other entity?
a. cardinality
b. associative entity
c. associative entity
d. domain
e. none of the above

7) A ternary relationship is?
a. recursive
b. between three entities
c. reflexive
d. not possible in data modeling
e. none of the above

8) What column is a good candidate to be the primary key?
a. referential integrity
b. domain integrity
c. key integrity
d. data integrity
e. none of the above

9) A system acceptance test addresses which level(s) of acceptance testing?
a. validation testing
b. verification testing
c. audit testing
d. unit testing
e. a, b, and c

10) Testing two or more program that depend on each other is called?
a. unit testing
b. integration testing
c. system testing
d. syntax testing
e. a, b, and c

11)Which installation strategy converts one site before the others?
a. abrupt cut-over
b. parallel conversion
c. location conversion
d. staged conversion
e. both c and d

12)Every non key field is called a?
a. secondary key
b. foreign key
c. descriptive field
d. record
e. none of the above

13) Which kind of testing runs the system in a simulated environment using simulated data?
a. validation testing
b. verification testing
c. audit testing
d. matrix testing
e. litmus testing

page
1) What is feasibility? List and briefly discuss three kinds of feasibility.

2) You are asked to do some fact finding for a small company whose 20 employees have been with the company for over 20 years. They have high paying jobs. They are very used to the way the present system works and are very comfortable with it. Management knows that changes have to be made, but the employees are not yet convinced. The back room has boxes of documents about how work is conducted. What fact-finding techniques would you use? What techniques wouldn’t you use? Justify your reasons.

3)What does a physical DFD represent? How do data stores in the physical DFD differ from the data stores in the logical DFD? Give an example.

4) In designing user interfaces, consideration must be given to information security and privacy. Describe some of the guidelines and considerations that must be taken into account in building internal controls into the user interface design.

5) Give an example of many to many relationship. Resolve using an entity or an associative entity. Which did you use? Why?

6) There are three types of testing: unit, integration, and system testing. Please briefly describe each of these types of testing.

7)What are some benefits and potential problems in using an abrupt cut-over conversion and in using a parallel conversion strategy?