Test
Chapter 9
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Preguntas del test (75)
1 In order to determine the human information requirements using a decision analysis strategy, what
must the systems analyst determine?- AA) necessary data
- BB) objectives
- CC) information
- DD) data structure
2A goal of producing process specifications is to:
- AA) reduce process interactions.
- BB) build technical specifications for a specific computer language.
- CC) validate the system design, including data flow diagrams and the data dictionary.
- DD) design computer input and output processes.
3Primitive process specifications are not produced for:
- AA) processes that use decision trees.
- BB) processes for which pre-written code already exists.
- CC) processes that involve complex editing.
- DD) All of the above.
4When creating process specifications, what needs to be done for manual tasks?
- AA) Create well-defined procedures for employees performing the tasks.
- BB) Replace them with automated processes.
- CC) Outline the decisions using a decision tree.
- DD) Nothing, they are not part of processing specifications.
5Which of the following is not a business rule?
- AA) logical inferences
- BB) mathematical and functional derivations
- CC) programming language IF statements
- DD) definitions of business terms
6Process logic may be represented as:
- AA) structured English.
- BB) a decision table
- CC) a decision tree
- DD) a formula.
- EE) All of the above.
7Which is structured English not based on?
- AA) instructions organized into nested and grouped procedures
- BB) simple English statements
- CC) unstructured logic
- DD) add, multiply, move, and so on
8 In order to use structured English, which convention is not advisable?
- AA) Express all logic in terms of sequential structures, decision structures, case structures, or iterations.
- BB) Blank a line and indent blocks of statements to show their hierarchy.
- CC) Use and capitalize accepted keywords such as IF, THEN.
- DD) Be careful when using "and" and "or."
9Which of the following is not one of the three basic constructs used to code computer programs?
- AA) sequence
- BB) selection
- CC) iteration
- DD) computation
10When selection is indicated for elements in the data dictionary:
- AA) a simple sequence of structured English statements is all that is necessary.
- BB) an IF. ..THEN. ..ELSE structure must be present in the structured English statements.
- CC) DO WHILE, DO UNTIL, or PERFORM UNTIL structured English statements must be included.
- DD) a decision tree must be used to depict the logic.
11When iteration is indicated for an element or a group of elements in the data dictionary:
- AA) a simple sequence of structured English statements is all that is necessary
- BB) an IF. .THEN. ..ELSE structured must be present in the structured English statements.
- CC) DO WHILE, DO UNTIL, or PERFORM UNTIL structured English statements must be included.
- DD) a decision table must be used to depict the logic.
12In order to build decision tables, what does the analyst not need to do?
- AA) Eliminate any impossible situations.
- BB) Simplify the table as much as possible.
- CC) Determine the minimum size of the table.
- DD) Eliminate inconsistencies.
13Which of the following is not one of the main problems that can occur in developing decision tables?
- AA) incompleteness
- BB) impossible situations
- CC) contradictions
- DD) repetition
14Unlike the decision tree used in management science, what doesn't the analyst's tree contain?
- AA) decisions
- BB) conditions
- CC) outcomes
- DD) actions
15When drawing the tree, systems analysts do not have to identify:
- AA) all outcomes.
- BB) all actions.
- CC) the order.
- DD) all conditions.
16Which is not one of three main advantages of a decision tree over a decision table?
- AA) more correct as a communication tool
- BB) sequential structure of decision tree branches
- CC) conditions and actions of decision trees are found on some branches
- DD) more readily understood
17Which is the correct choice?
- AA) Use structured English when not every condition is relevant to every action.
- BB) Use decision tables when communication to end users is important.
- CC) Use decision trees when the sequence of conditions and actions is critical.
- DD) Use decision tables when there are many repetitious actions
18Which of the following is not a business rule?
- AA) business conditions and actions
- BB) user ethics
- CC) logical inferences
- DD) processing sequences
19Which of the following is not a problem when creating decision tables?
- AA) impossible situations
- BB) too many conditions
- CC) redundancy
- DD) contradictions
20In a decision table, contradictions occur when:
- AA) an important condition is omitted.
- BB) when the situation cannot occur because there are two or more conditions that cannot occur at the
same time. - CC) identical sets of alternatives require the same action.
- DD) rules suggest different actions but satisfy the same conditions.
21 Process specifications are sometimes called ________, because they are a small portion of the total
project specifications.- AA) designs
- BB) data flows
- CC) information nodes
- DD) minispecs
22Which of the following is not a goal of producing process specifications?
- AA) to reduce the ambiguity of the process
- BB) to reduce the time it takes for a process to run
- CC) to obtain a precise description of what is accomplished
- DD) to validate the system design
23Which of the following is not an example of a keyword for structured English?
- AA) IF
- BB) DO
- CC) PERFORM
- DD) IS LIKE
24Running a section of code over and over again until some condition is met is an example of a:
- AA) loop.
- BB) IF. ..THEN.
- CC) DO. .. WHILE.
- DD) decision table.
25What is a way to examine, describe, and document structured decisions?
- AA) decision table
- BB) data flow
- CC) data dictionary
- DD) database
26 ________ are created for primitive processes on a data flow diagram.
- AA) Process specifications
- BB) Process diagrams
- CC) Process databases
- DD) Production specifications
27One of the goals of producing ________ is to validate the system design, including the data flow
diagram and the data dictionary.- AA) process diagrams
- BB) process databases
- CC) process specifications
- DD) production specifications
28 Process descriptions may exist on a form or within a ________ repository.
- AA) data
- BB) data dictionary
- CC) CASE tool
- DD) CASE diagram
29When structured decisions are not complex, an appropriate technique for analyzing the decision
process is the use of ________.- AA) CASE tools
- BB) structured English
- CC) decision trees
- DD) decision diagrams
30Structured English can be more complex if blocks of (instructions) are ________ within each other to
show hierarchy.- AA) nested
- BB) grouped
- CC) selected
- DD) placed
31A data structure with optional elements contained in parenthesis or either/or elements contained in
brackets will have a corresponding ________ statement in the process specification.- AA) DO . .. WHILE
- BB) PERFORM
- CC) DO . .. UNTIL
- DD) IF . ..THEN . ..ELSE
32 ________, indicated by braces on a data structure, must have a corresponding DO WHILE, DO UNTIL,
or PERFORM UNTIL structured English statement.- AA) Iteration
- BB) Selection
- CC) Movement
- DD) Sequence
33________ are used when complex branching occurs in a structured decision process.
- AA) Decision tables
- BB) Data dictionaries
- CC) Decision trees
- DD) All of the above.
34In a decision table, ________ occur(s) when rules suggest different actions but satisfy the same
conditions.- AA) contradictions
- BB) conditions
- CC) redundancy
- DD) incompleteness
35 ________ are an important tool in the analysis of structured decisions.
- AA) Contradictions
- BB) Data dictionaries
- CC) Decision trees
- DD) Decision tables
36Process specifications show the decision-making logic and formulas necessary to transform process input data into output.
- AVerdadero
- BFalso
37While process specifications produce a precise description of what is accomplished, they are not
detailed enough to validate the system design.- AVerdadero
- BFalso
38Process specifications are always produced for input and output operations, such as a read or write
operation- AVerdadero
- BFalso
39Process descriptions may exist on a form but not within a CASE tool repository.
- AVerdadero
- BFalso
40Process logic may be represented as either structured English, a decision table, a decision tree, or a formula.
- AVerdadero
- BFalso
41Selection data dictionary entries become IF. ..THEN. ..ELSE structured English statements.
- AVerdadero
- BFalso
42Iteration data dictionary entries become simple structured English statements in a sequence.
- AVerdadero
- BFalso
43When structured decisions are not complex, an appropriate technique for analyzing the decision process is the use of semistructured English.
- AVerdadero
- BFalso
44Besides the obvious advantage of clarifying the logic and relationships found in human languages, structured English has another important advantage as a communication tool.
- AVerdadero
- BFalso
45 If communication is unimportant, structured English is a viable alternative for decision analysis.
- AVerdadero
- BFalso
46It is important to develop decision tables in a logical, systematic approach.
- AVerdadero
- BFalso
47Decision trees are most often drawn on their side, with the root of the tree on the left-hand side paper, branching out to the right.
- AVerdadero
- BFalso
48It is useful to combine conditions and actions when drawing decision trees.
- AVerdadero
- BFalso
49A square node indicates a condition, and a circle indicates an action.
- AVerdadero
- BFalso
50 In drawing the tree, identify all conditions and actions and the order and timing of these.
- AVerdadero
- BFalso
51Use structured English when complex combinations of conditions, actions, and rules are
found.- AVerdadero
- BFalso
52Use decision tables when there are many repetitious actions.
- AVerdadero
- BFalso
53Use decision trees when the sequence of conditions and actions is critical.
- AVerdadero
- BFalso
54All the process specifications for the entire data flow diagram are consolidated and included
in the specification packet given to the computer programmer.- AVerdadero
- BFalso
55Business rules are the set of procedures, conditions or formulas that allow a corporation to
run its business.- AVerdadero
- BFalso
56Use structured English when not every condition is relevant to every action.
- AVerdadero
- BFalso
57Use decision trees when there are many repetitious actions.
- AVerdadero
- BFalso
58 Use decision tables when complex combinations of conditions, actions, and rules are found.
- AVerdadero
- BFalso
59Use decision trees when not every condition is relevant to every action.
- AVerdadero
- BFalso
60Use decision tables when you require a method that effectively avoids impossible
situations, redundancies, and contradictions.- AVerdadero
- BFalso
61One major advantage of using decision tables over other methods is that tables help the analyst ensure completeness.
- AVerdadero
- BFalso
62In systems analysis, trees are used mainly for identifying and organizing conditions and
actions in a completely structured decision process.- AVerdadero
- BFalso
63The use of diagrams makes the decision tree more readable when one thinks of a circle as
signifying IF when the square means THEN.- AVerdadero
- BFalso
64 In drawing the tree, begin building from left to right while making sure you are complete in
listing all possible alternatives before moving over to the right.- AVerdadero
- BFalso
65Use decision trees when not every condition is relevant to every decision.
- AVerdadero
- BFalso
66All the process specifications are consolidated and included in the specification packet given
to the computer programmer.- AVerdadero
- BFalso
67Business rules are the set of procedures, conditions or formulas that allow a corporation to
run its business.- AVerdadero
- BFalso
68Use decision trees when there are many repetitious actions.
- AVerdadero
- BFalso
69Use decision tables when complex combinations of conditions, actions, and rules are found.
- AVerdadero
- BFalso
70Use decision tables when the sequence of conditions and actions is critical.
- AVerdadero
- BFalso
71 Use decision trees when you require a method that effectively avoids impossible situations,
redundancies and contradictions.- AVerdadero
- BFalso
72Use decision trees when not every condition is relevant to every action (the branches are
different).- AVerdadero
- BFalso
73Use decision trees when communication to end users is important.
- AVerdadero
- BFalso
74The lower half of a decision tree contains the actions to be taken on the left and the rules
for executing the actions on the right.- AVerdadero
- BFalso
75 Decision trees are useful when it is essential to keep a string of decisions in a particular
sequence.- AVerdadero
- BFalso
Información
- Descripción
- Quiz CIS 3343 Test sobre Chapter 9, creado por . . el 14/02/2016.
- Autor
- . .
- Idioma
- English
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