SAD EXAM 2 PRACTICE QUIZ CHAPTER 7

level-3 diagram

A DFD that is a result of three nested decompositions of a series of subprocesses from a process on a level-0 diagram defines a: A. level-3 diagram B. level-2 diagram C. primitive diagram D. level-1 diagram

level-n diagram

A DFD that is the result of n nested decompositions from a process on a level-0 diagram, is called: A. context diagram B. primitive diagram C. level-0 diagram D. level-n diagram

data store

A computer-based file containing employee information is represented on a data flow diagram as a: A. source B. data flow C. process D. data store

data store

A file folder containing orders is represented on a data flow diagram as a: A. process B. data store C. data flow D. source

decision table

A matrix representation of the logic of a decision, which specifies the possible conditions for the decision and the resulting actions, defines a A. sequence diagram B. structure chart C. state transition diagram D. decision table

source/sink

A square on a data flow diagram represents a: A. data store B. source/sink C. process D. data flow

12

Assume the first condition has two values; the second condition has two values; the third condition has three values. How many rules will there be? A. 11 B. 6 C. 7 D. 12

identifying selection criteria

Basic procedures for constructing a decision table do not include: A. naming the conditions and the values each condition can assume B. listing all possible rules C. simplifying the decision table D. identifying selection criteria

decouples the processes

By placing a data store between two processes, this: A. enables store and forward capabilities B. enhances the flow of data between the processes C. structures the processes D. decouples the processes

data store

Data at rest, which may take the form of many different physical representations, defines: A. process B. data store C. source D. data flow

process models

Data flow diagrams that concentrate on the movement of data between processes are referred to as: A. process models B. data models C. flow models D. flow charts

data flow

Data in motion, moving from one place in a system to another, defines: A. process B. data store C. data flow D. source

numbering considerations

Guidelines for drawing DFDs include the following except for: A. numbering considerations B. completeness C. timing considerations D. consistency

violation of consistency

Having a level-1 diagram with no level-0 diagram is an example of a: A. violation of consistency B. gap C. structuring violation D. violation of completeness

complete

If your DFD contains data flows that do not lead anywhere, it is not: A. gap proof B. complete C. a primitive diagram D. consistent

data store

In the Gane and Sarson model, a rectangle that is missing its right vertical sides on a data flow diagram represents a: A. process B. data store C. data flow D. source/sink

process

In the Gane and Sarson model, a rectangle with rounded corners on a data flow diagram represents a: A. process B. data store C. source/sink D. data flow

both A and B

On a data flow diagram, you may: A. repeat sources/sinks B. repeat data stores C. repeat processes D. both A and B

process

Recording a customer's payment is represented on a data flow diagram as a: A. process B. source C. data store D. data flow

data flow

Student data contained on an enrollment form is represented on a data flow diagram as a: A. data store B. process C. data flow D. source

functional decomposition

The act of going from a single system to several component processes refers to: A. structuring B. functional decomposition C. formatting D. balancing

balancing

The conservation of inputs and outputs to a data flow diagram process when that process is decomposed to a lower level defines: A. conservation B. decomposition C. data flow structuring D. balancing

DFD completeness

The extent to which all necessary components of a data flow diagram have been included and fully described refers to: A. DFD gap proofing B. DFD consistency C. DFD completeness D. DFD flexibility

DFD consistency

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 gap proofing B. DFD consistency C. DFD flexibility D. DFD completeness

having additional functions, removing obsolete functions, and reorganizing inefficient flows

The new logical model will differ from the current logical model by: A. identifying which system functions will be automated and which will be manual B. representing the physical implementation of the new system C. having additional functions, removing obsolete functions, and reorganizing inefficient flows D. including an identification of the "technology" used to process the data

condition stubs

The part of a decision table that lists the conditions relevant to the decision is called: A. condition stubs B. action stubs C. condition list D. condition execution

rules

The part of a decision table that specifies which actions are to be followed for a given set of conditions refers to: A. decision list B. action stubs C. rules D. condition list

process

The work or actions performed on data so that they are transformed, stored, or distributed defines: A. data flow B. data store C. process D. source/sink

limited entry

When condition values are either "yes" or "no", these values are called a(n): A. simple entry B. extended entry C. complex entry D. limited entry

A join in a data flow means that exactly the same data comes from any of two or more different processes, data stores, or sources/sinks to a common location

Which of the following is a true statement regarding data flows? A. A data flow may have multiple directions between symbols. B. A data flow to a data store means retrieve or use. C. A join in a data flow means that exactly the same data comes from any of two or more different processes, data stores, or sources/sinks to a common location. D. A data flow from a data store means update.

has only inputs

A black hole is one that: A. has only outputs B. has not been exploded to show enough detail C. has only inputs D. has insufficient inputs to produce the associated processes

extended entry

A condition that has more than two values is a(n): A. complex entry B. simple entry C. extended entry D. limited entry

level-0 diagram

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. level-00 diagram B. level-0 diagram C. level-1 diagram D. context diagram

removing any rules with impossible actions

A decision table is simplified by: A. removing any rules with impossible actions B. removing any rules with static actions C. removing simple entries D. removing extended entries

has only outputs

A miracle process is one that: A. has only inputs B. has insufficient inputs to produce the associated processes C. cannot be exploded further D. has only outputs

decision table

A modeling technique that allows you to represent a set of conditions and the actions that follow from them in a tabular format best describes: A. structured English B. flowchart C. data flow diagram D. decision table

verb phrase label

A process has a: A. noun phrase label B. pronoun label C. verb phrase label D. adjective label

source

A supplier of auto parts to our company is represented on a data flow diagram as a: A. data store B. process C. source D. data flow

data flow

An arrow on a data flow diagram represents a: A. data store B. source/sink C. process D. data flow

dash (-)

An indifferent condition is represented by a(n): A. pound sign (#) B. dash (-) C. exclamation point (!) D. asterisk (*)

18

Assume we have three conditions. Condition one has two values; condition two has three values; condition three has three values. How many rules are needed? Answers: A. 5 B. 18 C. 6 D. 8

process modeling

Graphically representing the functions, or processes, which capture, manipulate, store, and distribute data between a system and its environment and between components within a system refers to: A. process modeling B. data modeling C. flow charting D. transition modeling

the number of rules is reduced by condensing Rules 2, 4, and 6 into one rule

If Rules 2, 4, and 6 are indifferent conditions, then: Selected Answer: A. the number of rules is reduced by condensing Rules 2, 4, and 6 into one rule B. Rules 2, 4, and 6 will result in at least two additional rules being included in the matrix C. Rules 2, 4, and 6 are eliminated from the matrix D. Rules 2, 4, and 6 have no impact on the interpretation of the matrix

be coupled to each other

If two processes are connected by a data flow, they are said to: A. share the same timing effects B. be strapped to each other C. be coupled to each other D. share the same data

indifferent condition

In a decision table, a condition whose value does not affect which actions are taken for two or more rules is referred to as a(n): A. flexible condition B. fixed condition C. static condition D. indifferent condition

decision table

Removing any rules with impossible actions to make which of the following simple as possible? A. hierarchical chart B. structure chart C. activity diagram D. decision table

what you learned during requirements determination

The deliverables of process modeling state: A. how you should implement the new system during implementation B. what you learned during project planning C. what you learned during requirements determination D. how you should develop the system during physical design

context diagram

The diagram that shows the scope of the system, indicating what elements are inside and which are outside the system, is called a: A. representative diagram B. referencing diagram C. level-2 diagram D. context diagram

primitive data flow diagrams

The lowest level of DFDs is called: A. context diagrams B. level-0 diagrams C. level-1 diagrams D. primitive data flow diagrams

primitive diagram

The lowest level of decomposition for a data flow diagram is called the: A. context diagram B. primitive diagram C. level-1 diagram D. level-0 diagram

source/sink

The origin and/or destination of data, sometimes referred to as external entities defines: A. source/sink B. data store C. process D. data flow

rules

The part of a decision table that links conditions to actions is the section that contains the: A. action statements B. condition statements C. rules D. decision stubs

gap analysis

The process in analysis in which the analyst tries to discover discrepancies between two or more sets of data flow diagrams, representing two or more states of an information system, or discrepancies within a single DFD, is referred to as: A. sequencing B. referencing C. double checking D. gap analysis

multiply the number of values for each condition by the number of values for every other condition

To determine the number of rules required for the decision table, you would: A. add the number of values for each condition to the number of values for every other condition B. multiply the number of values for each condition by the number of values for every other condition C. add the number of values for each condition to the number of values for every other condition, then subtract 1 D. multiply the number of conditions by two

primitive data flow diagrams

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: A. level-3 diagrams B. level-1 diagrams C. level-0 diagrams D. primitive data flow diagrams

a data store has a noun phrase label

Which of the following is a true statement regarding a data store? A. Data can move from an outside source to a data store. B. A data store has a noun phrase label. C. Data can move directly from a sink to a data store. D. Data can move directly from one data store to another data store

none of the above

Which of the following is considered when diagramming? A. the interactions occurring between sources and sinks B. how to control or redesign a source or sink C. how to provide sources and sinks direct access to stored data D. none of the above

Composite data flows on one level cannot be split into component data flows at the next level

Which of the following is not an advanced rule governing data flow diagramming? A. At the lowest level of DFDs, new data flows may be added to represent data that are transmitted under exceptional conditions. B. The inputs to a process must be sufficient to produce the outputs from the process. C. To avoid having data flow lines cross each other, data stores may be repeated on a DFD. D. Composite data flows on one level cannot be split into component data flows at the next level.

updated physical

Which of the following is not one of the four types of data flow diagrams? A. current physical B. current logical C. updated physical D. new physical

state-transition diagram

Which of the following is not one of the primary deliverables resulting from studying and documenting a system's processes? A. state-transition diagram B. context data flow diagram (DFD) C. DFDs of the current logical system D. thorough descriptions of each DFD component