Systems Final Multiple Choice

Which of the following is NOT a task characteristic? A) A task should be completed by only one person. B) A task should have well-accepted predecessor and successor steps. C) A task is measurable so that percent completed can be determined. D) A task should have a known method or technique. E) A task should have a single and identifiable deliverable.

A) A task should be completed by only one person.

Which of the following occurs during project execution? A) Monitoring project progress against the baseline project plan B) Conducting post project reviews C) Establishing the project workbook D) Establishing the project initiation plan E) Establishing the communication plan

A) Monitoring project progress against the baseline project plan

Which of the following is true regarding the context diagram? A) The process symbol is labeled "0." B) Data stores must be shown on the context diagram. C) The context diagram organizes the processes in a tree-like structure. D) The internal workings of the system are shown on the context diagram. E) The context diagram contains two processes.

A) The process symbol is labeled "0."

All of the following are constraints EXCEPT: A) choice of programming language. B) limited number of staff available. C) due dates. D) speed of system. E) regulations.

A) choice of programming language.

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

A) complete.

On a data-flow diagram, a rectangle with the right vertical line missing represents a: A) data store. B) process. C) data flow. D) relationship. E) source.

A) data store.

The number of entity types that participate in a relationship refers to: A) degree. B) association. C) normalization. D) count. E) cardinality.

A) degree.

The purpose of requirements structuring is to: A) enable the large amount of information gathered during requirements determination to be organized. B) enable the analysts to develop a baseline project plan quickly. C) collect information about the information systems that are currently in use. D) enable the analysts to gather information on what the system should do from as many sources as possible. E) enable the analysts to identify several feasible alternatives.

A) enable the large amount of information gathered during requirements determination to be organized.

A single occurrence of an entity type defines: A) entity instance. B) multivalued attribute. C) attribute. D) entity appearance. E) data element.

A) entity instance.

Breaking a system down into its smaller components is called: A) modularity. B) exertion. C) decompressing. D) coupling. E) cohesion.

A) modularity.

The lowest level of DFDs are: A) primitive data-flow diagrams. B) systematic diagrams. C) level-0 diagrams. D) level-1 diagrams. E) context diagrams.

A) primitive data-flow diagrams.

The primary concern about cloud computing is: A) reliability. B) sustainability. C) cost. D) compliance with standards. E) dependability.

A) reliability.

Priorities for systems and projects are deliverables for the: A) systems planning and selection phase. B) systems design phase. C) systems analysis phase. D) systems priority phase. E) systems implementation and operation phase

A) systems planning and selection phase.

The need for a new or enhanced system is identified during: A) systems planning and selection. B) systems implementation and operation. C) systems coding. D) systems analysis. E) systems design.

A) systems planning and selection.

Which of the following project management activities is associated with project initiation? A) Describing project scope, alternatives, and feasibility B) Establishing a relationship with the customer C) Estimating resources and creating a detailed resource plan D) Closing down the project E) Identifying and assessing risks

B) Establishing a relationship with the customer

Which of the following is not a way of validating purchased software information? A) Using the software yourself and running it through a series of tests based on the criteria for selecting software B) Purchasing the software first and then testing C) Obtaining feedback from other users of the software D) Reviewing software documentation and technical marketing literature E) Sending prospective vendors a questionnaire asking specific questions about their packages

B) Purchasing the software first and then testing

A critical path refers to: A) a sequence of task activities whose order and durations indirectly affect the completion date of a project. B) a sequence of task activities whose order and durations directly affect the completion date of a project. C) a sequence of task activities whose order must be performed in parallel. D) a sequence of task activities whose duration cannot last more than 40 percent of the time allotted to the project. E) None of these.

B) a sequence of task activities whose order and durations directly affect the completion date of a project.

A named property or characteristic of an entity that is of interest to the organization defines: A) data flow. B) attribute. C) associative entity. D) relationship. E) instance.

B) attribute.

A file folder containing orders would be represented on a data-flow diagram as a: A) source. B) data store. C) data flow. D) relationship. E) process.

B) data store.

Realistic time refers to: A) the average period of time for an activity to be completed. B) the planner's "best guess" of the amount of time the activity actually will require for completion. C) the maximum period of time for an entire project to be completed. D) the minimum period of time for an activity to be completed. E) the maximum period of time for an activity to be completed.

B) the planner's "best guess" of the amount of time the activity actually will require for completion.

Which of the following is NOT a function of decomposition? A) Allow attention to be concentrated on the part of the system pertinent to a particular audience, without confusing people with details irrelevant to their interests B) Facilitate the focusing of attention on one area (subsystem) at a time without interference from other parts C) Permit different parts of the system to be built at the same time by the same person D) Build different parts of the system at independent times and have the help of different analysts E) Break a system into smaller, more manageable and understandable subsystems

C) Permit different parts of the system to be built at the same time by the same person

Which of the following is NOT a system characteristic? A) Interface B) Input C) Scope D) Boundary E) Output

C) Scope

When selecting an identifier, one should: A) choose a candidate key that allows for duplicate values. B) use large composite keys instead of single-attribute surrogate keys. C) choose a candidate key that will not change its value over the life of each instance of the entity type. D) choose a candidate key such that for each instance of the entity, the attribute is guaranteed to have valid values or is null. E) use intelligent keys.

C) choose a candidate key that will not change its value over the life of each instance of the entity type.

A product is an example of a(n): A) process. B) data element. C) entity. D) relationship. E) attribute.

C) entity.

A black hole is a process that: A) generates output directly to a sink. B) has insufficient inputs to produce the associated processes. C) has only inputs. D) has not been exploded to show enough detail. E) has only outputs.

C) has only inputs.

A system is separated from other systems by a(n): A) boundary. B) border. C) interface. D) cross-platform. E) barrier.

C) interface.

Traditional methods of collecting systems requirements include: A) rapid application development. B) prototyping. C) interviews. D) joint application design. E) agile methodologies.

C) interviews.

A supplier of auto parts to your company would be represented on a data-flow diagram as a: A) data flow. B) relationship. C) source. D) process. E) data store.

C) source.

Which of the following is most likely a source/sink for a manufacturing system? A) A file B) A bank deposit C) A report D) A bank E) Payment record

D) A bank

Which of the following can be considered an advantage of closed-ended questions? A) Closed-ended questions often put the interviewee at ease. B) Previously unknown information may surface. C) The interviewee has a sense of involvement and control in the interview. D) Closed-ended questions work well when the major answers to the questions are well known. E) The interviewer can explore unexpected lines of inquiry.

D) Closed-ended questions work well when the major answers to the questions are well known.

Which of the following is NOT a project planning activity? A) Determining project standards and procedures B) Setting a baseline project plan C) Developing a project charter D) Establishing management procedures E) Identifying and assessing risk

D) Establishing management procedures

The calculation of an employee's salary would be represented on a data-flow diagram as a(n): A) source. B) data store. C) data flow. D) process. E) action stub.

D) process.

Optimistic time refers to: A) the maximum period of time for an activity to be completed. B) the maximum period of time for an entire project to be completed. C) the planner's "best guess" of the amount of time the activity actually will require for completion. D) the minimum period of time for an activity to be completed. E) the average period of time for an activity to be completed.

D) the minimum period of time for an activity to be completed.

Which of the following is NOT a process modeling deliverable? A) A context data-flow diagram B) DFDs of the current physical system C) Thorough descriptions of each DFD component D) DFDs of the new logical system E) An entity relationship diagram

E) An entity relationship diagram

The primary deliverable from the conceptual data-modeling step within the analysis phase is: A) a context data flow diagram. B) a state-transition diagram. C) Structured English. D) a decision table. E) an entity-relationship diagram.

E) an entity-relationship diagram.

The conservation of inputs and outputs is called: A) data flow structuring. B) gap proofing. C) flow conservation. D) decomposition. E) balancing.

E) balancing.

A relationship between instances of two entity types is a: A) partnership occurrence. B) unary relationship. C) multiple occurrence. D) ternary relationship. E) binary relationship.

E) binary relationship.

Prototyping is most useful for requirements determination when: A) multiple stakeholders are involved with the system. B) user requirements are well understood. C) possible designs are simple and require an abstract form to fully evaluate. D) data are not readily available. E) communication problems have existed in the past between users and analysts.

E) communication problems have existed in the past between users and analysts.

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

E) has only outputs.

Data-flow diagrams allow you to: A) demonstrate the sequencing of activities. B) show the relationship among entities. C) show the timing of data flows. D) represent the internal structure and functionality of processes. E) model how data flow through an information system.

E) model how data flow through an information system.

Building a scaled-down version of the desired system best describes: A) rapid application development. B) reengineering analysis. C) joint application design. D) Agile Methodologies. E) prototyping.

E) prototyping.

An information system interacts with its environment by: A) XML protocols. B) processing data. C) sending data. D) systems analysts. E) receiving data.

E) receiving data.

Open-source software has enjoyed its success due to: A) volume discounts. B) large software companies. C) the SDLC. D) the price. E) the Internet.

E) the Internet.