CIS 3

An __ is an external entity that interacts with a system and is someone or something that exchanges information with the systems.

Actor

____ is NOT a phase in a systems development life cycle.

Attributes

A ________ relationship is a relationship between instances of two entity types and is the most common type of relationship encountered in data modeling.

Binary

A _____ key is an attribute (or combination of attributes) that uniquely identifies each instance of an entity type.

Candidate

A(n) ______ is an attribute that has meaningful component parts.

Composite attribute

A(n) ______ data model is a detailed model that captures the overall structure of organizational data that is independent of any database management system or other implementation considerations.

Conceptual

The concept of DFD ________ refers to whether or not the depiction of the system shown at one level of a nested set of DFDs is compatible with the depictions of the system shown at other levels.

Consistency

A ________ is a picture of the movement of data between external entities and the processes and data stores within a system.

Data flow diagram

An ________ model is a detailed, logical representation of the entities, associations, and data elements for an organization or business area.

E-R

A data store is a data at rest and may represent only one physical location for data.

False

A physical data model is a detailed model that captures the overall structure of organizational data that is independent of any database management system or other implementation considerations.

False

A state is a named property or characteristic of an entity that is of interest to the organization.

False

Operations can be classified into four types, depending on the kind of service requested by clients.

False

The primary deliverable from the physical data modeling step within the analysis phase is an E-R diagram

False

There are two different standard sets of DFD symbols and each set consists of three symbols that represent the same things.

False

With only ________ symbols, you can use DFDs to represent both physical and logical information systems.

Four

No process can have only___ and if an object has only that, then it must be a sink.

Inputs

A ____ is a DFD that represents a system's major processes, data flows, and data stores at a high level of detail.

Level-0 diagram

Each entity type in an E-R model is given a ________ because it represents a class or set, it is singular.

Name

No process can have only ________. It would be making data from nothing (a miracle). If an object has only outputs, then it must be a source.

Outputs

The ________ rule specifies that an entity instance can simultaneously be a member of two (or more) subtypes.

Overlap

According to Cockburn's template, ________ are those things the system must ensure are true before the use case can start.

Preconditions

Which business rule specifies rules concerning the relationships between entity types?

Referential Integrity Constraints

A(n) ________ diagram depicts the interactions among objects during a certain period of time.

Sequence

A __ lists what it takes to satisfy stakeholders if the use case is completed successfully.

Success guarantee

A data flow has a noun phrase label. 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.

True

An entity has its own identity that distinguishes it from each other entity.

True

Context DFD is one of the deliverables for process modeling.

True

DFDs are not as good as flowcharts for depicting the details of physical systems; on the other hand, flowcharts are not very useful for depicting purely logical information flows.

True

An entity ________ is described just once in a data model, whereas many ________ of that may be represented by data stored in the database.

Type; instances

All of the following are business rules except ____.

Unary Relationships

The second phase in the SDLC is ________.

analysis

An effective way to gather information about the system from users is ________.

asking them questions

Which of the following is a reason why an analyst would NOT choose to conduct a group interview?

because a single interview answers all of the questions

What is at the core of systems analysis?

collection of information

What is a possible outcome of NGT?

ideas for a new features in a system

What did Mintzberg observe about a manager's day?

managers experience a lot of interruptions

All of the following are examples of computer-based documents except ________.

memos

All of the following are documents that are helpful in understanding future systems, except ________.

reports from future organizational studies

Which of the following is NOT true during the first 48 hours after an interview?

schedule a follow up interview

What is the primary disadvantage of a group interview?

scheduling

If you are sitting in a corner with a laptop preparing to take notes on the days activities, you are probably the ________.

scribe

What is the first guideline in effective interviewing?

set an appointment

The ________ is a logical grouping of objects that have the same (or similar) attributes, relationships, and behaviors; also called class.

Object Class

A data flow has ________ direction(s) of flow between symbols. It may flow in both directions between a process and a data store to show a read before an update.

One

A unary relationship is a relationship between the instances of _______ entity type(s).

One

The ________ rule specifies that an entity instance of the supertype does not have to belong to any subtype

Partial specialization

Which business rule specifies the validity of attribute values?

Triggering Operations

Mastery of the requirements structuring methods and techniques is critical to one's success on a systems development project team.

True

Sources/sinks are sometimes referred to as external entities because they are outside the system.

True

A(n) ________ diagram shows the conditional logic for the sequence of system activities needed to accomplish a business process.

Activity

A(n) _____ is a named property or characteristic of an entity that is of interest to the organization

Attribute

Why are forms important?

Because they explain what data flows in or out of a system

which relationship is the most common type of relationship encountered in data modeling?

Binary

The ________ rule specifies that if an entity instance of the super type is a member of one subtype, it cannot simultaneously be a member of any other subtype.

Disjoint

A(n) ______ is a concise statement of the business rule to be enforced by the triggering operation.

User rule

Jerry is interviewing for a systems analyst position. He realizes he needs to work on which of the following characteristics?

developing an attention to detail

Which of the following is NOT a phase in the Planning Game?

documentation

Evolutionary prototyping is used to model parts of the system, and if it is unsuccessful you throw away the system.

false

In the analysis phase, the amount of data that is gathered is small.

false

In the eXtreme Programming Planning Game, the business reviews progress in the commitment phase.

false

The second phase in the SDLC is Design.

false

________ are recognized in official documentation of the organization.

formal systems

If a systems analyst is questioning everything, they are showing the ________ characteristic.

impertinence

Functional decomposition is an __ process for breaking the description of a system down into finer and finer detail, which creates a set of charts in which one process on a given chart is explained in greater detail on another chart.

iterative

The most common format used for data modeling is ________ diagramming.

Entity-Relationship

Which of the following is NOT source of information for deliverables?

the news

Which of the following is a new, faster, and more flexible technique for analysis gathering requirements?

the planning game

In systems analysis, which of the following is NOT a component you need to understand?

the size of the budget

During the Agile method the user can provide information on requirements and then watch and evaluate as those requirements are designed, coded, and tested.

true

Grouping task cards together is a step in the agile usage-centered design method for requirements determination.

true

When interviewing someone, the interviewer should make sure the questions do NOT imply an answer is right or wrong.

true

The ________ is a document written to describe how a particular job is performed.

work procedure

An object type is a collection of entities that share common properties or characteristics.

False

A ternary relationship is a simultaneous relationship among instances of ________ entity type(s).

Three

What is the primary purpose of JAD?

To gather systems requirements simultaneously

The information system is depicted as a DFD and the highest-level view of this system is called a context diagram

True

The minimum carndinality of a relationship is the minimum number of instances of entity B that may be associated with each instance of entity A.

True

A recursive relationship is also known as a _____ relationship.

Unary