Sad_Finals Ch8-9

Front 1

In order to determine the human information requirements using a decision analysis strategy, what must the systems analyst determine?
A. necessary data
B. objectives
C. information
D. data structure

Back 1

B. objectives

Front 2

A goal of producing process specifications is to:
A. reduce process interactions.
B. build technical specifications for a specific computer language
C. validate the system design, including data flow diagrams and the data dictionary.
D. design computer input and output processes.

Back 2

C. validate the system design, including data flow diagrams and the data dictionary.

Front 3

Primitive process specifications are not produced for:
A. processes that use decision trees.
B. processes for which pre-written code already exists.
C. processes that involve complex editing.
D. All of the above.

Back 3

B. processes for which pre-written code already exists.

Front 4

When creating process specifications, what needs to be done for manual tasks?
A. Create well-defined procedures for employees performing the tasks
.B. Replace them with automated processes.
C. Outline the decisions using a decision tree.
D. Nothing, they are not part of processing specifications.

Back 4

A. Create well-defined procedures for employees performing the tasks

Front 5

Which of the following is not a business rule?
A. logical inferences
B. mathematical and functional derivations
C. programming language IF statements
D. definitions of business terms

Back 5

C. programming language IF statements

Front 6

Process logic may be represented as:
A. structured English.
B. a decision table.
C. a decision tree.
D. a formula.
E. All of the above.

Back 6

E. All of the above.

Front 7

Which is structured English not based on?
A. instructions organized into nested and grouped procedures
B. simple English statements
C. unstructured logic
D. add, multiply, move, and so on

Back 7

C. unstructured logic

Front 8

In order to use structured English, which convention is not advisable?
A. Express all logic in terms of sequential structures, decision structures, case structures, or iterations.
B. Indent blocks of statements to show their hierarchy.
C. Capitalize names of data stores and processes.
D. Be careful when using "and" and "or."

Back 8

C. Capitalize names of data stores and processes.

Front 9

Which of the following is not one of the three basic constructs used to code computer programs?
A. sequence
B. selection
C. iteration
D. computation

Back 9

D. computation

Front 10

When selection is indicated for elements in the data dictionary
A. a simple sequence of structured English statements is all that is necessary.
B. an IF...THEN...ELSE structure must be present in the structured English statements.
C. DO WHILE, DO UNTIL, or PERFORM UNTIL structured English statements must be included.
D. a decision tree must be used to depict the logic.

Back 10

B. an IF...THEN...ELSE structure must be present in the structured English statements.

Front 11

When iteration is indicated for an element or a group of elements in the data dictionary:
A. a simple sequence of structured English statements is all that is necessary.
B. an IF..THEN...ELSE structured must be present in the structured English statements.
C. DO WHILE, DO UNTIL, or PERFORM UNTIL structured English statements must be included.
D. a decision table must be used to depict the logic.

Back 11

C. DO WHILE, DO UNTIL, or PERFORM UNTIL structured English statements must be included.

Front 12

In order to build decision tables, what does the analyst not need to do?
A. Eliminate any impossible situations.
B. Simplify the table as much as possible.
C. Determine the minimum size of the table.
D. Eliminate inconsistencies.

Back 12

C. Determine the minimum size of the table.

Front 13

Which of the following is not one of the main problems that can occur in developing decision tables?
A. incompleteness
B. impossible situations
C. contradictions
D. repetition

Back 13

D. repetition

Front 14

Unlike the decision tree used in management science, what doesn't the analyst's tree contain?
A. decisions
B. conditions
C. outcomes
D. actions

Back 14

C. outcomes

Front 15

When drawing the tree, systems analysts do not have to identify:
A. all outcomes.
B. all actions.
C. the order.
D. all conditions.

Back 15

A. all outcomes.

Front 16

Which is *not* one of three main advantages of a decision tree over a decision table?
A. more correct as a communication tool
B. sequential structure of decision tree branches
C. conditions and actions of decision trees are found on some branches
D. more readily understood

Back 16

A. more correct as a communication tool

Front 17

Which is the correct choice?
A. Use structured English when not every condition is relevant to every action.
B. Use decision tables when communication to end users is important.
C. Use decision trees when the sequence of conditions and actions is critical.
D. Use decision tables when there are many repetitious actions

Back 17

C. Use decision trees when the sequence of conditions and actions is critical.

Front 18

Which of the following is not a business rule?
A. business conditions and actions
B. user ethics
C. logical inferences
D. processing sequences

Back 18

B. user ethics

Front 19

Which of the following is not a problem when creating decision tables?
A. impossible situations
B. too many conditions
C. redundancy
D. contradictions

Back 19

B. too many conditions

Front 20

In a decision table, contradictions occur when:
A. an important condition is omitted
B. when the situation cannot occur because there are two or more conditions that cannot occur at the same time
C. identical sets of alternatives require the same action.
D. rules suggest different actions but satisfy the same conditions.

Back 20

D. rules suggest different actions but satisfy the same conditions.

Front 21

Which of the following is not a goal of producing process specifications?
A. to reduce the ambiguity of the process
B. to reduce the time it takes for a process to run
C. to obtain a precise description of what is accomplished
D. to validate the system design

Back 21

B. to reduce the time it takes for a process to run

Front 22

Which of the following is not an example of a keyword for structured English?
A. IF
B. DO
C. PERFORM
D. IS LIKE

Back 22

D. IS LIKE

Front 23

Running a section of code over and over again until some condition is met is an example of a:
A. loop
B. branch
C. condition
D. return

Back 23

A. loop

Front 24

________ are created for primitive processes on a data flow diagram.
A. Process specifications
B. Process diagrams
C. Process databases
D. Production specifications

Back 24

A. Process specifications

Front 25

One of the goals of producing ________ is to validate the system design, including the data flow diagram and the data dictionary.
A. process diagrams
B. process databases
C. process specifications
D. production specifications

Back 25

C. process specifications

Front 26

Process descriptions may exist on a form or within a ________ repository.
A. data
B. data dictionary
C. CASE tool
D. CASE diagram

Back 26

C. CASE tool

Front 27

When structured decisions are not complex, an appropriate technique for analyzing the decision process is the use of ________.
A. CASE tools
B. structured English
C. decision trees
D. decision diagrams

Back 27

B. structured English

Front 28

A data structure with optional elements contained in parenthesis or either/or elements contained in brackets will have a corresponding ________ statement in the process specification.
A. DO ... WHILE
B. PERFORM
C. DO ... UNTIL
D. IF ...THEN ...ELSE

Back 28

D. IF ...THEN ...ELSE

Front 29

________, indicated by braces on a data structure, must have a corresponding DO WHILE, DO UNTIL, or PERFORM UNTIL structured English statement
A. Iteration
B. Selection
C. Movement
D. Sequence

Back 29

A. Iteration

Front 30

Structured English can be more complex if blocks of (instructions) are ________ within each other to show hierarchy.
A. nested
B. grouped
C. selected
D. placed

Back 30

A. nested

Front 31

________ are used when complex branching occurs in a structured decision process.
A. Decision tables
B. Data dictionaries
C. Decision trees
D. All of the above.

Back 31

C. Decision trees

Front 32

What is a reference work of data about data compiled by systems analysts?
A. data dictionary
B. data flow diagrams
C. structured analysis
D. design

Back 32

A. data dictionary

Front 33

What become(s) important for large systems that produce several thousand data elements requiring cataloging and cross-referencing?
A. data dictionary
B. structured analysis
C. data flow diagrams
D. automated data dictionaries
E. design

Back 33

D. automated data dictionaries

Front 34

Which of the following is not contained in the repository?
A. procedural logic
B. use cases
C. generated computer code
D. screen and report design

Back 34

C. generated computer code

Front 35

A data flow that contains data that are used between processes is called:
A. internal
B. derived.
C. base.
D. iterative.

Back 35

A. internal

Front 36

Data structures are described using ________ notation
A. relational
B. metadatic
C. geometric
D. algebraic

Back 36

D. algebraic

Front 37

What does this symbol represent [ ]?
A. either/or alternative
B. optional
C. iteration
D. selection

Back 37

A. either/or alternative

Front 38

Braces { } are used to indicate:A. either/or alternative.B. optional.C. iteration. D. selection.

Back 38

C. iteration.

Front 39

Which of the following is included in a physical data structure?
A. codes that identify the status of a master record
B. expansion area for file records
C. the type of data structure, either for a screen or report
D. editing criteria for the structure

Back 39

A. codes that identify the status of a master record

Front 40

A synonym or other name for an element is called a(n):
A. common element.
B. structural element.
C. attributive element.
D. alias.

Back 40

D. alias.

Front 41

A base element is one that:
A. was initially keyed into the system.
B. does not change over a period of time.
C. is used within one and only one subsystem.
D. is the result of a calculation or some other logic.

Back 41

A. was initially keyed into the system.

Front 42

A derived element is one that:
A. is keyed, derived by the users.
B. has several different meanings, one for each user group.
C. is created by processes as a result of calculations or a series of decision-making statements.
D. has the displayed length and the stored length the same.

Back 42

C. is created by processes as a result of calculations or a series of decision-making statements.

Front 43

When determining the length for elements:
A. look at what the current length of data is and use that value.
B. use values that other corporations have for similar elements.
C. figure the amount of a numeric element and add a few characters for reasonable expansion.
D. keep the value for the length small to save file space.

Back 43

C. figure the amount of a numeric element and add a few characters for reasonable expansion.

Front 44

The symbol X(8) represents:
A. eight digits.
B. eight alphanumeric characters
C. a data structure or element that repeats eight times.
D. an element that is found within eight data structures.

Back 44

B. eight alphanumeric characters

Front 45

A varchar data type:
A. is used to represent elements for which the analyst needs to determine the length.
B. is an element that contains a check digit.
C. is used to represent a floating point number with an indeterminate number of decimal positions.
D. is used for data that can contain any number of characters (up to the database limit).

Back 45

D. is used for data that can contain any number of characters (up to the database limit).

Front 46

A default value on a GUI screen may be used for:
A. drop-down lists.
B. radio buttons.
C. check boxes.
D. All of the above.

Back 46

D. All of the above.

Front 47

Data stores are used to store:
A. all base elements and some derived elements.
B. all derived elements and some base elements.
C. all base and derived elements.
D. only some base elements and some derived elements (the most critical ones in the system).

Back 47

A. all base elements and some derived elements.

Front 48

Since a single data flow may only show part of the collective data,
A. the data store may be linked to several external structures defining the different data flows
B. many data flows may have to be examined to determine the contents of a data store
C. data stores must contain multiple redundant elements within repeating groups indicated by braces {}.
D. an alias must be used.

Back 48

B. many data flows may have to be examined to determine the contents of a data store

Front 49

The data dictionary may be used to create:
A. screens.
B. reports.
C. forms.
D. All of the above.

Back 49

D. All of the above.

Front 50

Which of the following is a flaw in the system design that is detected by analyzing the data dictionary entries?
A. All derived elements on an output flow must be present on an input data flow.
B. The data store may contain elements that are not present on any data flow to or from the data store.
C. All base elements on an output data flow must be present on a data flow into the process.
D. All elements that are discrete must have a table of codes definition.

Back 50

C. All base elements on an output data flow must be present on a data flow into the process.

Front 51

Elements on a data flow going into or out from a data store:
A. must be created by the process linking to the data store.
B. must be base elements.
C. must be on a data flow that is input to the process that creates the output that is going to the data store.
D. must be contained by the data store.

Back 51

D. must be contained by the data store.

Front 52

What is not a characteristic of the ideal data dictionary?
A. automated
B. efficient
C. interactive
D. online
E. evolutionary

Back 52

B. efficient

Front 53

Which of the following may be created by transforming an XML document?
A. a Web page
B. a portable document format (PDF) file
C. output for a handheld device
D. All of the above.

Back 53

D. All of the above.

Front 54

Which of the following is not included in an XML document type definition?
A. the number of times an element repeats
B. an element that is optional
C. the rules for transforming the XML document into standard output
D. the attributes of an XML element

Back 54

C. the rules for transforming the XML document into standard output

Front 55

Which of the following is a more precise way to define the content of an XML document?
A. a schema
B. a document attribute list
C. an ID REF, listing the identifiable elements of a document
D. an XML repository specifications document

Back 55

A. a schema

Front 56

A ________ is a large collection of information that is larger than a data dictionary.
A. repository
B. schema
C. data element
D. data alias

Back 56

A. repository

Front 57

________ is usually the first component to be stored in the data dictionary.
A. Data flow
B. Data direction
C. Data mining
D. Database schema

Back 57

A. Data flow

Front 58

A ________ is composed of related elements.
A. data structure
B. data alias
C. database schema
D. data flow

Back 58

A. data structure

Front 59

A ________ is one that is contained within a larger data structure and consists of further subdivisions.
A. structural record
B. transactional record
C. data alias
D. schema

Back 59

A. structural record

Front 60

________ data structures include additional elements necessary for implementing the system.
A. Physical
B. Logical
C. Informational
D. Logistical

Back 60

A. Physical

Front 61

The correct determination of a(n) ________ length is important to avoid truncation.
A. address
B. zip code
C. database
D. element

Back 61

D. element

Front 62

A(n) ________ value for an element is one that has a finite number of possible values, though the number might be large.
A. absolute
B. discrete
C. variable
D. continuous

Back 62

B. discrete

Front 63

A(n) ________ element is one that has an infinite number of possible values.
A. absolute
B. discrete
C. variable
D. continuous

Back 63

D. continuous