INFO 3234 E1 MC

Level-0 diagram

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

One

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

Market conditions

Which of the following is NOT a source of requirements gathering for the systems analyst?

E-mails

Which of the following is NOT a useful document in the analysis process?

Excel

Which of the following is NOT an example of open-source software?

Users are locked into requirements.

Which of the following is a drawback of the traditional waterfall SDLC approach?

Run applications for customers

Which of the following is a function of an IT service firm?

Evolutionary; throwaway

________ and ________ are the two types of prototypes.

Data flow

A ________ can be best understood as data in motion, moving from one place in a system to another.

Level-n

A ________ diagram is a DFD that is generated from n nested decompositions from a level-0 diagram.

Decision table

A ________ is a diagram of process logic where the logic is reasonably complicated.

Rectangle

A ________ is used in both conventions for sources/sinks and has a name that states what the external agent is, such as Customer, Teller, EPA Office, or Inventory Control System.

One

A data flow cannot go directly back to the same process it leaves. There must be at least ________ other process(es) that handle(s) the data flow, produce(s) some other data flow, and return(s) the original data flow to the beginning process.

Unary

A recursive relationship is also known as a ________ relationship.

entity

A(n) ________ is a person, place, object, event, or concept in the user environment about which the organization wishes to maintain data.

Relationship

A(n) ________ is an association between the instances of one or more entity types that is of interest to the organization.

Multi-valued attribute

A(n) ________ is an attribute that may take on more than one value for each entity instance.

Required attribute

A(n) ________ is an attribute that must have a value for every entity instance.

Asking the manufacturer if they feel their software is best

All of the following are ways of validating purchased software information, except ________.

Type; instances

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

Lower

Balancing is the conservation of inputs and outputs to a DFD process when that process is decomposed to a ________ level.

Process

Data cannot move directly from one data store to another data store. Data must be moved by a ________.

Two of these

For an associative entity, you may use which of the following attribute as the identifier:

Cloud computing

If an organization is using applications rented from a third party vendor running in a remote location, they are most likely using what type of software system?

A nominal group technique

If group members work alone in the beginning of the project and then pool the ideas with guidance, they are participating in ________.

Analysis

In which phase of the SDLC are the system requirements studied and structured?

Design

In which phase of the SDLC is the description of the recommended solution converted into logical and then physical system specifications?

Implementation

In which phase of the SDLC is the information system coded, tested, installed, and supported in the organization?

Systems development methodology

Most organizations find it beneficial to use a standard set of steps, called ________, to develop and support their information systems.

Outputs

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.

D1 can be in the Context diagram. However, it should be the same name as the data store in Level-0 diagram.

Refer to the following figure, which contains drafts of a context and level-0 DFD for a university class registration system. Which of the potential violations of rules and guidelines on these diagrams is not correct?

Overlap

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

Completeness

The concept of DFD ________ refers to whether you have included in your DFDs all of the components necessary for the system you are modeling.

Request for proposal

The document sent to vendors asking them to propose hardware and software that will meet the requirements of your new system is called a ________.

1960s

The first procedural, or third-generation, computer programming languages did not become available until the beginning of the ________.

Designed reuse

The most expensive and extensive reuse approach is ________.

Business process reengineering

The overall process by which current methods are replaced with new methods is referred to as ________.

Ad hoc reuse

The software reuse approach that allows individuals to find or develop reusable assets on their own, and has few, if any, organizational rewards for reusing assets best describes ________.

Coding, testing, and debugging are part of the _____ phase of the Systems Development Life Cycle (SDLC).

Under eXtreme Programming, ________ and ________ are intimately related parts of the same process.

Tools

What are computer programs that make it easy to use and benefit from techniques and to faithfully follow the guidelines of the overall development methodology?

Ideas for a new system

What is a possible outcome of NGT?

Outsourcing

What is the practice of a company running a computer application for another organization?

Security

What is the primary concern of IT managers as it relates to cloud computing?

Scheduling

What is the primary disadvantage of a group interview?

To gather systems requirements simultaneously

What is the primary purpose of JAD?

Employees may miss work.

What of the following is NOT a consequence of employees knowing they are being observed in their work?

Primary key

What unique characteristic(s) distinguish(es) each object from other objects of the same type?

In-house development

When an organization has the resources and a system must be built from scratch, an organization should choose what type of software?

Arrows

When two ________ have the same data flow name, you must be careful that these flows are exactly the same.

Domains

Which business rule specifies constraints on valid values for attributes?

Referential integrity constraints

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

Entity integrity

Which business rule specifies that each instance of an entity type must have a unique identifier that is not null?

SDLC

Which of the below is a traditional methodology used to develop, maintain, and replace information systems?

The life cycle can be thought of as a circular process in which the end of the useful life of one system leads to the beginning of another project to develop a new version of or replace an existing system.

Which of the below is a true statement regarding the systems development life cycle?

A presentation of why the system should or should not be developed by the organization is given.

Which of the following activities happens during the SDLC planning phase?

Testing

Which of the following is NOT a basic reuse software step?

Great at finances

Which of the following is NOT a characteristic of good systems analyst?

Reputation of the firm

Which of the following is NOT a common criterion when choosing off-the-shelf software?

Reading user manuals

Which of the following is NOT a contemporary method of collecting system requirements?

It was started in the late 1970s by Google.

Which of the following is NOT a fact about JAD?

Essay

Which of the following is NOT a form of closed-ended questions?

Evaluate the interview's answers during the interview.

Which of the following is NOT a guideline to use during the actual interview?

Offshore

Which of the following is NOT a major category of sources of software?

Procedure

Which of the following is NOT a part of the Evolutionary model of the SDLC process?

Review notes within 96 hours of interview

Which of the following is NOT a part of the guidelines for effective interviewing?

Outsource noncore activities

Which of the following is a reason why a company may outsource certain operations?

Because a single interview answers all of the questions.

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

What is the main issue with the current computer system?

Which of the following is an example of an open-ended question?

Cloud computing application provider

Which of the following is an organization that hosts and runs computer applications for other companies, typically on a per use or license basis?

Systems analyst

Who has the primary responsibility for the design and analysis of information systems?

The source code is free.

Why is open source software different than the other types of software?

Data programs

________ are NOT a component of data flow diagram symbols.

Policies

________ are NOT a part of a decision table.

Enterprise-wide systems

________ are large, complex systems that consist of a series of independent system modules.

Formal systems

________ are recognized in official documentation of the organization.

Attributes

________ is NOT a phase in a system's development life cycle.

Storage

________ is the software reuse step that involves making software assets available for others to use.

Inadequately decomposed diagrams

________ is/are NOT a deliverable for process modeling.

Turnkey systems

________ is/are off-the-shelf software systems that cannot be modified to meet the specific, individual needs of a particular organization.

A description of the alternative solution

________ is/are the final output from the analysis phase.

Response time

________ refers to how long it takes the software package to respond to the user's request in an interactive session.

Functionality

________ refers to the tasks the software can perform and the mandatory, essential, and desired system features.

Enterprise Resource Planning

________ software solutions consist of a series of integrated modules.