Test 2 IS353
81) Which of the following is NOT a true statement regarding data flows?
A) A data flow can go directly back to the same process it leaves.
54) The diagram that shows the scope of the system, indicating what elements are inside and outside the system, is called a:
A) context diagram.
71) On a data-flow diagram, a rectangle with the right vertical line missing represents a:
A) data store.
77) By placing a data store between two processes, this:
A) decouples the processes.
28) The official way a system works as described in organizational documentation is referred to as a(n):
A) formal system.
79) A black hole is a process that:
A) has only inputs.
85) The lowest level of DFDs are:
A) level-0 diagrams.
86) A DFD that is a result of three nested decompositions of a series of subprocesses from a process on a level-0 diagram describes a:
A) level-3 diagram.
52) Since data-flow diagrams concentrate on the movement of data between processes, these diagrams are often referred to as:
A) process models.
63) Recording a customer's payment would be represented on a data-flow diagram as a(n):
A) process.
2) Analysts gathering information from as many sources as possible about what the new system should do is indicative of:
A) requirements determination.
67) The origin and/or destination of data, sometimes referred to as external entities defines:
A) source.
6) Questioning everything best describes:
A) the impertinence characteristic a systems analyst needs during requirements determination.
103) Process, logic, and data-model descriptions of a system must be consistent and complete since:
A) they each describe different but complementary views of the same information system.
38) The trained individual who plans and leads joint application design sessions is referred to as the:
B) session leader.
64) A supplier of auto parts to your company would be represented on a data-flow diagram as a:
B) source.
92) Having a level-1 diagram with no level-0 diagram is an example of a:
B) violation of consistency.
80) Which of the following is a true statement regarding a data store?
C) A data store has a noun phrase label.
46) Technologies that enable the breaking of long-held business rules that inhibit organizations from making radical business changes best defines:
C) disruptive technologies.
The purpose of requirements structuring is to:
C) enable the large amount of information gathered during requirements determination to be organized
30) Forms are important for understanding a business because they:
C) indicate what data flow in or out of a system and which are necessary for the system to function.
75) A data-flow diagram that represents a system's major processes, data flows, and data stores at a high level of detail refers to a:
C) level-0 diagram.
16) Questions in interviews and on questionnaires that have no prespecified answers are:
C) open-ended questions.
17) One advantage of open-ended questions in an interview is:
C) previously unknown information can result.
94) When you believe that you have shown each business form or transaction, computer screen, and report as a single data flow, you have probably reached the:
C) primitive data-flow diagrams.
53) Graphically representing the processes that capture, manipulate, store, and distribute data between a system and its environment and among components within a system refers to:
C) process modeling.
102) Conceptual data modeling is typically done in parallel with other requirements analysis and structuring steps during:
C) systems analysis.
36) When comparing observations and document analysis:
C) the potential audience of the observation method is limited.
5) Assuming anything is possible and eliminating the infeasible best describes:
C) the relaxing of constraints characteristic a systems analyst needs during requirements determination.
31) Forms are most useful:
C) when they contain actual organizational data.
55) Which of the following is NOT a process modeling deliverable?
D) An entity relationship diagram
48) Which of the following technologies disrupted the business rule of you having to find out where things are?
D) Automatic identification and tracking technology
34) Which of the following is a modern method for collecting system requirements?
D) Joint application design
33) When reviewing job procedures, you may find:
D) a contradiction between a formal procedure and interview or observation results.
43) The search for, and implementation of, radical change in business processes to achieve breakthrough improvements in products and services best defines:
D) business process reengineering.
58) Data in motion, moving from one place in a system to another, best describes a:
D) data flow.
60) A file folder containing orders would be represented on a data-flow diagram as a:
D) data store.
32) A report:
D) enables you to work backward from the information on the document and identify the data that must have been necessary to generate it.
96) The process of discovering discrepancies between two or more sets of data-flow diagrams or discrepancies within a single DFD is referred to as:
D) gap analysis.
95) The lowest level of decomposition for a data-flow diagram is called the:
D) primitive diagram.
62) The calculation of an employee's salary would be represented on a data-flow diagram as a(n):
D) process.
66) The work or actions performed on data so that they are transformed, stored, or distributed defines:
D) process.
23) Good interview guidelines consist of:
D) seeking a variety of perspectives from the interviews.
Ensuring that every fact fits with every other fact best describes:
D) the attention to details characteristic a systems analyst needs during requirements determination.
15) Which of the following is a traditional method of collecting systems requirements?
Observations
The primary deliverables from requirements determination include:
all of the above.
68) An arrow on a data-flow diagram represents a(n):
B) data flow.
59) Data at rest, which may take the form of many different physical representations, best describes a:
B) data store.
97) Techniques used for modeling system logic include:
B) decision tables.
26) A written work procedure:
B) describes how a particular job or task is performed, including data and information that are used and created in the process of performing the job.
104) The most common format used for data modeling is:
B) entity-relationship diagramming.
78) A miracle process is one that:
B) has only outputs.
29) The way a system actually works is referred to as a(n):
B) informal system.
44) The structured, measured set of activities designed to produce a specific output for a particular customer or market best defines:
B) key business processes.
51) Data-flow diagrams allow you to:
B) model how data flow through an information system.
70) On a data-flow diagram, a rectangle with rounded corners represents a(n):
B) process.
98) The part of a decision table that links conditions to actions is the section that contains the:
B) rules.
40) The person who makes detailed notes of the happenings at a joint application design session is referred to as the:
B) scribe.
93) The extent to which information contained on one level of a set of nested data-flow diagrams is also included on other levels refers to:
A) DFD consistency.
21) Which of the following is an advantage of closed-ended questions?
A) Interviews based on closed-ended questions do not necessarily require a large time commitment, so more topics can be covered.
45) Which of the following system requirement determination techniques can be applied to discovering and understanding key business processes?
A) JAD
13) Techniques developed to keep the analysis effort minimal, yet still effective include:
A) JAD.
74) Which of the following is true regarding the context diagram?
A) The process symbol is labeled "0."
The reframing characteristic of a good systems analyst is represented by which of the following statements?
A) You must challenge yourself to look at the organization in new ways.
99) The part of a decision table that lists the actions that result for a given set of conditions is called:
A) action stubs.
89) If an input from a source appears on a level-0 diagram, it must:
A) appear on the context diagram.
20) Which of the following can be considered an advantage of closed-ended questions?
B) Closed-ended questions work well when the major answers to the questions are well known.
91) The extent to which all necessary components of a data-flow diagram have been included and fully described defines:
B) DFD completeness.
47) Which of the following technologies disrupted the business rule that information can appear only in one place at a time?
B) Distributed databases
3) The impertinence characteristic of a good systems analyst is represented by which of the following statements?
B) You should question everything.
4) The impartiality characteristic of a good systems analyst is represented by which of the following statements?
B) Your role is to find the best solution to a business problem or opportunity.
The term that refers to systems development projects bogged down in an abundance of analysis work is:
B) analysis paralysis.
87) The conservation of inputs and outputs to a data-flow diagram process when that process is decomposed to a lower level defines:
B) balancing.
27) If your analysis of several written procedures reveals a duplication of effort in two jobs, you should:
B) call the duplication to the attention of management as an issue to be resolved before system design can proceed.
19) Questions in interviews and on questionnaires asking those responding to choose from among a set of specified responses are:
B) closed-ended questions.
42) Prototyping is most useful for requirements determination when:
B) communication problems have existed in the past between users and analysts.
57) Student data contained on an enrollment form would be represented on a data-flow diagram as a:
B) data flow.
101) Which of the following is a true statement?
C) An information system design based on a data orientation, rather than a process or logic orientation, should have a longer useful life.
24) Which of the following is a reason for directly observing end users?
C) People often do not have a completely accurate appreciation of what they do or how they do it.
1) Which of the following is a subphase of analysis?
C) Requirements determination
35) Which of the following is a true statement regarding JAD?
C) The primary purpose of using JAD in the analysis phase is to collect systems requirements simultaneously from the key people involved with the system.
Which of the following are organizational components that a systems analyst needs to understand?
C) The sequence and other dependencies among different data-handling activities
88) If a data flow appears on the context diagram and is also represented on a level-0 diagram, this would be referred to as:
C) balancing.
76) If two processes are connected by a data flow, they are said to:
C) be coupled to each other.
22) Rating a response or idea on some scale, say from strongly agree to strongly disagree, would be classified as a(n):
C) closed-ended question.
90) If your DFD contains data flows that do not lead anywhere, it is not:
C) complete.
61) A computer-based file containing employee information would be represented on a data-flow diagram as a(n):
C) data store.
84) The act of going from a single system to several component processes refers to:
C) decomposition.
82) Which of the following is a true statement regarding data flows?
E) A join in a data flow means that exactly the same data come from any of two or more different processes, data stores, or sources/sinks to a common location.
73) Which of the following is most likely a source/sink for a manufacturing system?
E) All of the above
72) Which of the following is a true statement regarding sources/sinks?
E) All of the above are true statements.
18) Which of the following can be considered an advantage of open-ended questions?
E) All of the above.
65) Which of the following would be considered when diagramming?
E) None of the above
25) The analysis of documents can help you identify:
E) all of the above.
37) The typical participants in a JAD include:
E) all of the above.
41) Drawbacks to prototyping include:
E) all of the above.
100) Some systems developers believe that a data model is the most important part of the statement of information system requirements because:
E) of all of the above.
14) Traditional methods of collecting systems requirements include:
E) prototyping
83) On a data-flow diagram, you may:
E) repeat both data stores and sources/sinks.
69) A square on a data-flow diagram represents a:
E) source.
