Test 4 (Ch. 7 & 10) - Updated
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-1 diagram C) level-2 diagram D) primitive diagram
Answer: A
A black hole is one that: A) has only inputs B) has only outputs C) has not been exploded to show enough detail D) has insufficient inputs to produce the associated processes
Answer: A
The act of going from a single system to several component processes refers to: A) structuring B) balancing C) functional decomposition D) formatting
Answer: C
When displaying text, a person should: A) right justify text B) hyphenate words between lines C) use double spacing if space permits D) use obscure abbreviations and acronyms
Answer: C
Calculating an employee's salary is represented on a data flow diagram as a: A) data flow B) source C) data store D) process
Answer: D
When designing textual output, you should hyphenate words between lines.
Answer: FALSE
Where possible, text should appear in all upper case on forms.
Answer: FALSE
A customer order is represented on a data flow diagram as a data flow.
Answer: TRUE
A ________ is a business document that contains some predefined data and may include some areas where additional data are to be filled in.
Answer: form
When designing forms and reports, the ________ characteristic suggests that issues related to experience, skills, motivation, education, and personality be considered.
Answer: user
A decision table does not include: A) statements B) condition stubs C) action stubs D) rules
Answer: A
A passive document that contains only predefined data best describes a: A) report B) diagram C) form D) none of the above
Answer: A
An indifferent condition is represented by a(n): A) dash (-) B) asterisk (*) C) exclamation point (!) D) pound sign (#)
Answer: A
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
Answer: A
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) indifferent condition B) static condition C) fixed condition D) flexible condition
Answer: A
Providing a valid date (or time) that identifies when the data in the form or report were accurate refers to the general guideline of: A) meaningful titles B) meaningful information C) balanced layout D) easy navigation
Answer: A
The diagram that shows the scope of the system, indicating what elements are inside and which are outside the system, is called a: A) context diagram B) level-2 diagram C) referencing diagram D) representative diagram
Answer: A
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 B) DFD completeness C) DFD gap proofing D) DFD flexibility
Answer: A
The focus placed on forms and reports during logical design is on: A) the content and layout design of the forms and reports B) identifying how specific forms or reports should be implemented C) identifying the content, layout design, and implementation method D) none of the above
Answer: A
The general design guideline stating that formatting should be designed with an understanding of the task being performed and the intended user refers to: A) efficiency B) ease C) flexibility D) format
Answer: A
When designing forms and reports, the first activity is to: A) gain an understanding of the intended user and task objectives by collecting initial requirements during requirements determination B) structure and refine the requirements independent from the users C) ask users to review and refine prototypes of the form or report D) structure and refine the requirements with the users
Answer: A
A decision table is simplified by: A) removing extended entries B) removing any rules with impossible actions C) removing simple entries D) removing any rules with static actions
Answer: B
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) data flow diagram B) decision table C) flowchart D) Structured English
Answer: B
A pie chart of population by age categories is an example of: A) a statistical chart B) a report C) a form D) regression analysis
Answer: B
A supplier of auto parts to our company is represented on a data flow diagram as a: A) process B) source C) data flow D) data store
Answer: B
All of the following are usability characteristics except: A) satisfaction B) completeness C) speed D) accuracy
Answer: B
An arrow on a data flow diagram represents a: A) data store B) data flow C) process D) source/sink
Answer: B
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) 7 B) 12 C) 6 D) 11
Answer: B
If a form is delivered on a visual display terminal, which design specification section would describe the capabilities of this device? A) sample design B) narrative overview C) testing and usability D) management issues
Answer: B
Presenting or collecting information on a single item is the purpose of a: A) diagram B) form C) report D) none of the above
Answer: B
The deliverables of process modeling state: A) how you should develop the system during physical design B) what you learned during requirements determination C) how you should implement the new system during implementation D) what you learned during project planning
Answer: B
The extent to which all necessary components of a data flow diagram have been included and fully described refers to: A) DFD consistency B) DFD completeness C) DFD gap proofing D) DFD flexibility
Answer: B
The part of a decision table that lists the conditions relevant to the decision is called: A) action stubs B) condition stubs C) condition list D) condition execution
Answer: B
The use of small simple images to allow a Web page to be displayed more quickly best describes: A) icons B) lightweight graphics C) cookie crumbs D) MPEG files
Answer: B
Which of the following is not a true statement? A) Forms and reports are integrally related to various diagrams developed during requirements structuring. B) Every input form will be associated with a data flow leaving a process on a DFD. C) The contents of a form or report correspond to the data elements contained in an associated data flow. D) The data on all forms and reports must be data elements in data stores and on the E-R data model for the application, or must be computed from these data elements.
Answer: B
A matrix representation of the logic of a decision, which specifies the possible conditions for the decision and the resulting actions, defines a: A) structure chart B) state transition diagram C) decision table D) sequence diagram
Answer: C
A process has a: A) pronoun label B) adjective label C) verb phrase label D) noun phrase label
Answer: C
Graphs should be used instead of tables for all of the following except: A) comparing points and patterns of different variables B) forecasting activities C) reading individual data values D) detecting trends over time
Answer: C
Guidelines for drawing DFDs include the following except for: A) completeness B) consistency C) numbering considerations D) timing considerations
Answer: C
If a data flow appears on the context diagram and is also represented at level-0, this would be referred to as: A) leveling B) flow conservation C) balancing D) matching
Answer: C
If two processes are connected by a data flow, they are said to: A) share the same timing effects B) share the same data C) be coupled to each other D) be strapped to each other
Answer: C
In the Gane and Sarson model, a rectangle with rounded corners on a data flow diagram represents a: A) data store B) data flow C) process D) source/sink
Answer: C
The general design guideline stating that information should be viewed and retrieved in a manner most convenient to the user is: A) efficiency B) ease C) flexibility D) format
Answer: C
When designing Web pages, which of the following is the recommendation for avoiding bleeding-edge technology? A) avoid using large images, lots of images, unnecessary animations, or other time-consuming content B) avoid scrolling text and animations since they are both hard to read and users often equate such content as advertising C) make sure that users do not need the latest browsers or plug-ins to view your site D) make sure you avoid designing any legitimate information in a manner that resembles advertising
Answer: C
When designing forms and reports, the task characteristic addresses: A) issues related to experience, skills, motivation, education, and personality B) social issues such as the user's status and role, lighting, sound, task interruptions, temperature, and humidity C) activities that differ in the amount of information that must be obtained from or provided to the user D) the platform in which the system is constructed influencing interaction styles and devices
Answer: C
Which of the following is a design specification section? A) management issues B) system description C) testing and usability assessment D) feasibility assessment
Answer: C
Which of the following is not a true statement concerning forms? A) Most forms have a stylized format and are usually not in a simple row and column format. B) Forms may be displayed on a video display and may be used for data display or data entry. C) Forms are used to convey information on a collection of items. D) Every output form will be a data flow produced by a process on a DFD.
Answer: C
Which of the following is not an advanced rule governing data flow diagramming? A) To avoid having data flow lines cross each other, data stores may be repeated on a DFD. B) At the lowest level of DFDs, new data flows may be added to represent data that are transmitted under exceptional conditions. C) Composite data flows on one level cannot be split into component data flows at the next level. D) The inputs to a process must be sufficient to produce the outputs from the process.
Answer: C
A file folder containing orders is represented on a data flow diagram as a: A) process B) source C) data flow D) data store
Answer: D
Data in motion, moving from one place in a system to another, defines: A) data store B) process C) source D) data flow
Answer: D
In general, highlighting: A) should not be used to warn users of errors in data entry or processing B) should not be used to provide warnings to users regarding possible problems such as unusual data values C) should not be used in tandem D) should be used sparingly to draw the user to or away from certain information and to group together related information
Answer: D
On a data flow diagram, you may: A) repeat data stores B) repeat sources/sinks C) repeat processes D) both A and B
Answer: D
Research conducted on highlighting suggests: A) highlighting should be used conservatively B) highlighting methods should be consistently used and selected based on the level of importance of the emphasized information C) blinking and audible tones should only be used to highlight critical information that requires an immediate response from the user D) all of the above
Answer: D
The general guidelines for displaying tables and lists include: A) providing meaningful labels for all columns and rows B) allowing white space on printed reports for users to write notes C) breaking long sequences of alphanumeric data into small groups of three to four characters each D) all of the above
Answer: D
The lowest level of decomposition for a data flow diagram is called the: A) context diagram B) level-0 diagram C) level-1 diagram D) primitive diagram
Answer: D
The work or actions performed on data so that they are transformed, stored, or distributed defines: A) source/sink B) data store C) data flow D) process
Answer: D
To assess usability, information can be collected by: A) observation B) interviews C) keystroke capturing D) all of the above
Answer: D
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 conditions by two 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 values for each condition by the number of values for every other condition
Answer: D
When condition values are either "yes" or "no", these values are called a(n): A) extended entry B) simple entry C) complex entry D) limited entry
Answer: D
When designing Web pages, which of the following is the recommendation for avoiding anything that looks like advertising? A) avoid using large images, lots of images, unnecessary animations, or other time-consuming content B) avoid scrolling text and animations since they are both hard to read and users often equate such content as advertising C) make sure that users do not need the latest browsers or plug-ins to view your site D) make sure you avoid designing any legitimate information in a manner that resembles advertising
Answer: D
When designing forms and reports, the system characteristic addresses: A) issues related to experience, skills, motivation, education, and personality B) social issues such as the user's status and role, lighting, sound, task interruptions, temperature, and humidity C) job activities that differ in the amount of information that must be obtained from or provided to the user D) the platform in which the system is constructed influencing interaction styles and devices
Answer: D
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 data flow from a data store means update. D) 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.
Answer: D
Which of the following is a true statement regarding sources/sinks? A) Sources/sinks are always outside the information system and define the boundaries of the system. B) Data must originate outside a system from one or more sources. C) The system must produce information to one or more sinks. D) All of the above.
Answer: D
Which of the following is not a benefit of using color? A) soothes or strikes the eye B) facilitates subtle discriminations in complex displays C) evokes more emotional reactions D) printing or conversion to other media may not easily translate
Answer: D
A data flow can go directly back to the same process it leaves.
Answer: FALSE
A primitive level data flow diagram is the first deliverable produced during requirements structuring.
Answer: FALSE
Action stubs are that part of a decision table that lists the conditions relevant to the decision.
Answer: FALSE
Assume Process 7.4 produces a data flow and that Process 7.2 must be ready to accept it; we would say that these processes are physically linked to each other.
Answer: FALSE
Double-ended arrows are used to represent data flowing in both directions.
Answer: FALSE
Generally speaking, highlighting methods appear the same on all output devices.
Answer: FALSE
Highlighting should be used as often as possible to draw the user away from or to certain information.
Answer: FALSE
If an inventory item is either perishable or nonperishable, its condition is classified as an extended entry.
Answer: FALSE
In a decision table, an indifferent condition is represented by an asterisk.
Answer: FALSE
Inefficiencies cannot be identified by studying DFDs.
Answer: FALSE
On a data flow diagram, a diamond represents a process.
Answer: FALSE
One of the primary advantages of impact printers is their ability to exactly replicate a screen report on paper.
Answer: FALSE
One of the primary purposes of a DFD is to represent time, giving a good indication of whether data flows occur constantly in real time, once a day, or once a year.
Answer: FALSE
Referencing form and report usability, the consistency guideline means that formatting should be designed with an understanding of the task being performed and the intended user.
Answer: FALSE
Referencing the general design guidelines for form and report usability, the ease usability factor means that information should be viewed and retrieved in a manner most convenient to the user.
Answer: FALSE
Structure charts, flowcharts, and dialogue diagrams are the major deliverables for the designing forms and reports stage.
Answer: FALSE
The decomposition of Process 1.1 is shown on a level-1 diagram.
Answer: FALSE
The purpose of the testing and usability assessment section of a form design specification is to explain to those who will actually develop the final form why this form exists and how it will be used.
Answer: FALSE
To avoid the nonstandard use of GUI widgets, make sure that users do not need the latest browsers or plug-ins to view your Web site.
Answer: FALSE
To date, data flow diagrams have not been useful tools for modeling processes in business process reengineering.
Answer: FALSE
To keep a data flow diagram uncluttered, you may repeat data stores, sinks/sources, and processes.
Answer: FALSE
When constructing data flow diagrams, you should show the interactions that occur between sources and sinks.
Answer: FALSE
When displaying textual information, use abbreviations and acronyms as often as possible.
Answer: FALSE
When selecting tables versus graphs, you should use graphs for reading individual values.
Answer: FALSE
When selecting tables versus graphs, you should use tables to forecast activities.
Answer: FALSE
XML icons are templates that display and process common attributes of higher-level, more abstract items.
Answer: FALSE
________ is the use of small, simple images to allow a Web page to be displayed more quickly.
Answer: Lightweight graphics
A Web site's customer is represented as a source on a data flow diagram.
Answer: TRUE
A context diagram shows the scope of the organizational system, system boundaries, external entities that interact with the system, and major information flows between entities and the system.
Answer: TRUE
A data flow diagram is a graphical tool that allows analysts to illustrate the flow of data in an information system.
Answer: TRUE
A data flow repository entry would include the composition or list of data elements contained in the data flow.
Answer: TRUE
A data flow represents data in motion, moving from one place in the system to another.
Answer: TRUE
A data flow to a data store means update.
Answer: TRUE
A decision table is a matrix representation of the logic of a decision, which specifies the possible conditions for the decision and the resulting actions.
Answer: TRUE
Assume condition one has two values, condition two has five values, condition three has three values, and condition four has two values; the number of rules required for the decision table is sixty.
Answer: TRUE
Assume your local veterinarian records information about each of his patients on patient medical history forms; the collection of medical history forms is represented on a data flow diagram as a data store.
Answer: TRUE
Because data flow names represent a specific set of data, another data flow that has even one more or one less piece of data must be given a different unique name.
Answer: TRUE
Because the system's data stores are conceptually inside one process, no data stores appear on a context diagram.
Answer: TRUE
Color, intensity, and size differences are methods of highlighting.
Answer: TRUE
Completeness, consistency, timing, iterative development, and primitive DFDs are guidelines for drawing DFDs.
Answer: TRUE
Decision tables allow you to represent a set of conditions and the actions that follow from them in a tabular format.
Answer: TRUE
Gaining an understanding of the skills of the intended system users and the tasks they will be performing is invaluable when constructing a form or report.
Answer: TRUE
In general, forms are used to present or collect information on a single item.
Answer: TRUE
Make the decision table as simple as possible by removing any rules with impossible actions.
Answer: TRUE
More than one data flow noun phrase can appear on a single arrow as long as all of the flows on the same arrow move together as one package.
Answer: TRUE
Often, the initial prototypes of forms and reports are mock screens that are not working modules or systems.
Answer: TRUE
On the Internet, form interaction is the standard method of gathering and displaying information when consumers order products, request product information, or query account status.
Answer: TRUE
Referencing a decision table, a limited entry occurs when a condition has only two possible values.
Answer: TRUE
Referencing a decision table, an action is provided for each rule.
Answer: TRUE
Rules are that part of the decision table that specify which actions are to be followed for a given set of conditions.
Answer: TRUE
The context and meaning of tables and lists are derived from the format of the information.
Answer: TRUE
The data on all forms and reports must consist of data elements in data stores and on the E-R data model for the application or must be computed from these data elements.
Answer: TRUE
The decomposition of Process 2.4.3.4 is shown on a level-4 diagram.
Answer: TRUE
The determination of which items are low in stock is represented on a data flow diagram as a process.
Answer: TRUE
To avoid outdated information on your Web site, you should make sure your site is continuously updated so that users feel that the site is regularly maintained and updated.
Answer: TRUE
When designing textual output, the text's case should be displayed in mixed upper and lower case.
Answer: TRUE
When designing the forms and reports for an Internet-based electronic commerce application, a prototyping design process is most appropriate.
Answer: TRUE
When displaying tables and lists, you should break long sequences of alphanumeric data into small groups of three to four characters each.
Answer: TRUE
________ reflects how long it takes the average system user to become proficient using the system.
Answer: Time to learn
_______, ________, ________, ________, and ________ are methods for assessing usability.
Answer: Time to learn, speed of performance, rate of errors, retention over time, subjective satisfaction
When designing the layout of Web pages, making sure that you avoid designing any legitimate information in a manner that resembles advertising is the recommendation for the ________ error.
Answer: anything that looks like advertising
Guidelines for displaying text include ________, ________, ________, ________, and ________.
Answer: case, spacing, justification, hyphenation, abbreviations
The ________ general design guideline for usability of forms and reports specifies that formatting should be designed with an understanding of the task being performed and the intended user.
Answer: efficiency
Pine Valley Furniture's design guidelines for its WebStore included ________, ________, and ________.
Answer: lightweight graphics, forms and data integrity rules, template-based HTML
The ________ section of a design specification provides a general overview of the characteristics of the target users, tasks, system, and environmental factors in which the form or report will be used.
Answer: narrative overview
Designing forms and reports is a user-focused activity that typically follows a ________ approach.
Answer: prototyping
When designing the layout of Web pages, avoid scrolling text and animations since they are both hard to read and users often equate such content as advertising is the recommendation for the ________ error.
Answer: scrolling test and looping animations
The three usability characteristics are ________, ________, and ________.
Answer: speed, accuracy, satisfaction