BIS 4753 Structured systems analysis-Final Exam

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

Displaying text in mixed uppercase and lowercase and using conventional punctuation is related to which of the guidelines for displaying text?

Case

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?

Cloud computing

________ is the process whereby the physical design specifications created by the analysis team are turned into working computer code by the programming team.

Coding

Which interaction places a substantial burden on the user to remember names, syntax, and operations?

Command language interaction

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

_____ is a special type of software application for collecting, organizing, and publishing website content

Content Management System

Joel wants to install the system by turning off the old system and turning up new system. Joel is implementing the ________ installation method.

Direct

An unstructured relation is a relation that contains a minimum amount of redundancy and that allows users to insert, modify, and delete the rows without error or inconsistencies.

False

Internet design is complex than client/server due to proliferation of standards

False

What is the example of SaaS?

Google Sheets

Which of the following is a general guideline about highlighting in a report?

Highlight should be used conservatively.

Analysis

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

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

In-house development

A(n) ________ is a file organization in which rows are stored either sequentially or non- sequentially, and an index is created that allows software to locate individual rows.

Indexed file organization

Which of the following is a method by which users interact with an information system?

Interface

Under which design specification category for interfaces and dialogues do form/report designs appear?

Interface/Dialogue Designs

________ is a lightweight data interchange approach that is relatively easy for humans to understand and for computers to generate or interpret.

JSON

Issues with speed are typically experienced when using which of the following devices?

Keyboard

________ is the cabling, hardware, and software used to connect workstations, computers and file servers located in a confined geographical area.

LAN

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

A Nominal Group Technique

Which of the following errors can occur when adding additional characters to a field?

Appending

A(n) ________ is a computing server where data analysis functions primarily reside.

Application server

A functional dependency is a particular relationship between two ________.

Attributes

________ is NOT a valid type of partitioning method in relational database products.

Boundary

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

The source code is free.

For interface and dialogue designs, one additional subsection is included: a section outlining the dialogue sequence which is ________.

The ways a user moves from one display to another

In ________ normal form, nonprimary key attributes do not depend on each other (what we call no transitive dependencies).

Third

The ________ rule specifies that each entity instance of the supertype must be a member of some subtype of the relationship.

Total specialization

User fatigue is a potentially high usability problem associated with which device?

Touch screen

Which device is a suitable replacement for a mouse when work space for a mouse is not available?

Trackball

Which business rule specifies the validity of attribute values?

Triggering operations

An icon may also look like a button that, when selected or depressed, causes the system to take an action relevant to that form, such as cancel, save, edit a record, or ask for help.

True

Which of the following is NOT a guideline for better cost estimation?

Update estimates at the end of the project.

What is the first step in the BPR effort?

Use induction

Kathy is creating ________ detailing visual information about an application system, how it works, and how to use it.

User documentation

A(n) ________ is a software emulation of a physical computer system, both hardware and operating system, that allows more efficient sharing of physical hardware resources.

Virtual machine

Natural language interaction can be applied to ________.

Voice entry systems

A(n) ________ is a method of communication between two electronic devices over a network

Web service

Systems analyst

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

"Command verbs should clearly and specifically describe operations" falls under which category for menu design guidelines?

Wording

________ is an Internet authoring language that allows designers to create customized tags, enabling the definition, transmission, validation, and interpretation of data between applications.

XML

What is a, b, and c?

a: SaaS, b: PaaS, and c: IaaS

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

asking the manufacturer if they feel their software is best

________ refers to the use of previously written software resources, especially objects and components, in new applications.

reuse

The critical path represents the ________ time in which a project can be completed.

shortest

Nodes not on the critical path contain ________ time and allow the project manager some flexibility in scheduling.

slack

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

testing

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

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

Lower

__________ is the ease with which software can be understood, corrected, adapted, and enhanced.

Maintainability

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

Market conditions

All of the following are guidelines for menu design except ________.

Meaningful to the user

Which common property of windows and forms in a GUI environment requires users to resolve the request for information before proceeding?

Modality

Under which design specification category for interfaces and dialogues do environmental characteristics appear?

Narrative Overview

Under which design specification category for interfaces and dialogues does interface/dialogue name appear?

Narrative Overview

All of the following are guidelines for the design of human-computer dialogues except ________.

Native language

In logical database design, we use a process called ________, which is a way to build a data model that has the properties of simplicity, non-redundancy, and minimal maintenance.

Normalizaion

A ________ value is a special field value, distinct from zero, blank, or any other value, that indicates that the value for the field is missing or otherwise unknown.

Null

A new hardware purchase is classified as a(n)

One-time cost

"Use lists to break information into manageable pieces," is related to which guideline for designing usable help?

Organize

All of the following are sections in the design specification except ________.

Physical database design

A(n) ________ is a field of data that can be used to locate a related field or row of data.

Pointer

________ are NOT a part of a decision table.

Policies

Which menu method is also known as a dialogue box?

Pop-up menu

Which maintenance involves changes made to a system to reduce the chance of future system failure?

Preventive

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

Process

Which of the following is NOT a generic strategy identified by Porter?

Product introduction

All of these are outcomes and deliverables from designing distributed systems except ________.

Profile of the User

During ________, the project manager performs several activities to assess the size, scope, and complexity of the project and to establish procedures to support subsequent activities.

Project initiation

Which tool enables you to quickly take basic requirements and create a limited working system?

Prototyping

One purpose of database design is to structure the data in stable structures, called normalized tables, that are not likely to change over time and that have minimal ________.

Redundancy

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

Reputation of the firm

In the ________ model, the customer uses only applications provided via a cloud infrastructure. Typically, such applications include Web-based e-mail services and Web-based productivity suites.

SaaS

"Avoid placing navigational links below where a page opens because many users may miss these important options that are below the opening window," is a tip to avoid which error?

Scrolling Navigation Pages

In ________ normal form, each nonprimary key attribute is identified by the whole key (what we call full functional dependency).

Second

Which of the following is NOT a primary activity in project identification?

Stop current projects

Cam is working on the GUI environment for a new project. He told his team to make sure the GUI has the ability to allow a form to have a ________ to directly access the save function.

System menu

A(n) ________ comes from an information system that can be measured monetarily.

Tangible benefit

Which test is done to ensure that data conform to a standard format?

Templates

Under which design specification category for interfaces and dialogues do rate of errors and testing objectives appear?

Testing and Usability Assessment

FALSE

The Agile Methodologies focus on the roles that people perform rather than placing the emphasis on individuals.

Contrary to corrective maintenance, ________ maintenance is generally a small part of an organization's maintenance effort, but it adds value to the organization.

Adaptive

In which maintenance type are changes made to a system to evolve its functionality to changing business needs or technologies?

Adaptive

What is a crucial factor to measure when assessing maintenance effectiveness related to the frequency of issues?

All of the above

A(n) ________ refers to the software building blocks that are used to ensure that common system capabilities, such as user interfaces and printing, as well as modules are standardized to facilitate data exchange between clients and servers.

Application Program Interface (API)

Which of the following is an incorrect explanation for key physical database design decisions?

Arranging related records in primary memory (hard disks and magnetic tapes) so that records can be stored, retrieved and updated rapidly

Which test is done to ensure that data are of proper type, e.g., all numeric, all alphabetic, all alphanumeric?

Class

File servers transfer files when data are requested from a ________.

Client

The ________ is the (front-end) portion of the client/server database system that provides the user interface and data manipulation functions.

Client

Following architecture is _______

Client/Server Architecture

________ is a human-computer interaction method whereby users enter explicit statements into a system to invoke operations.

Command language interaction

In which maintenance type are changes made to a system to repair flaws in its design, coding, or implementation?

Corrective

Of all types of maintenance, which maintenance accounts for as much as 75 percent of all maintenance activity according to Andrews and Leventhal?

Corrective

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

Data flow diagram

Three-tiered client/server is an advanced client/server architecture in which there are three logical and distinct applications—________, presentation, and analysis—that are combined to create a single information system.

Data management

The ________ functions of an IS manage just the interface between system users and the software, including the display and printing of forms and reports and possibly validating system inputs.

Data presentation

A ________ is the (back-end) portion of the client/server database system running on the server that provides database processing and shared access functions.

Database engine

A ________ is an end product of an SDLC phase.

Deliverable

________ is the process of splitting or combining normalized relations into physical tables based on affinity of use of rows and fields.

Denormalization

Which of the following is NOT included as a total when using a weighted multi-criteria project?

Department rankings

________ is a testing technique in which the program code is sequentially executed manually by the reviewer.

Desk checking

________ will mostly likely choose projects that are easy to integrate with the current hardware and software.

Development group

Which installation strategy is this?

Direct installation

Customer loyalty and trustworthiness results in customers feeling like the site and their data are secure. Following are ways to convey this except______

Disconnected to the rest of the Web (credibility)

All of the following are general guidelines for the design of reports and forms except ________.

Display all available information

In the dialogue diagramming box, the bottom section contains ________.

Display reference numbers that can be accessed from the current display

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

Documentation

Which menus have become very popular in recent years because they provide consistency in menu location and operation among applications and efficiently use display space?

Drop-down menu

hinking about attributes, which of the following is an example of a synonym?

EMP_ID and Employee_ID

"It should be a simple process for users to enter information and navigate between screens," is related to which guideline for the design of human-computer dialogues?

Ease

A mouse is the most accurate device for a data entry task.

False

Command language interaction does not require users to remember command syntax and semantics.

False

When designing Internet systems, it is important to have a creative look with a distinctive style for each page, by using different colors, fonts, or other elements.

False

Which of the following is NOT a characteristic of top management when choosing an IS project selection?

Faster development

A ________, which is conducted by the project manager, involves determining if the information system makes sense for the organization from an economic and operational standpoint.

Feasibility study

Following architecture is _________

File Server Architecture

A ________ is a device that manages file operations and is shared by each client PC attached to a LAN.

File server

Which usability factor specifies that information should be viewed and retrieved in a manner most convenient to the user?

Flexibility

A ________ is a business document that contains some predefined data and may include some areas where additional data are to be filled in.

Form

The premise of ________ is to allow users to fill in the blanks when working with a system.

Form interaction

Which interaction is a highly intuitive human-computer interaction method whereby data fields are formatted in a manner similar to paper-based forms?

Form interaction

________ are recognized in official documentation of the organization.

Formal systems

________ is the process of discovering discrepancies between two or more sets of DFDs or discrepancies within a single DFD

Gap analysis

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

Great at finances

Which of the below is NOT a limitations of file servers?

Handle integrity and security

All human-computer interfaces must have an interaction style and use some ________ device(s) for supporting this interaction.

Hardware

________ is a common error when design the interface and dialogues of websites.

Hidden links

In situations where a company has not developed its systems in-house but instead has licensed software, as in the case of ERP systems, maintenance costs remain ________.

High

What is a possible outcome of NGT?

Ideas for new features in a system

___________ is a cloud computing model in which only the basic capabilities of processing, storage, and networking are provided

Infrastructure as a service

________ is the process during which the current system is replaced by the new system.

Installation

Following are three main principles of Service-oriented architecture (SOA) except:

Interchangeability

Following is the advantages of a client/server architecture except_____

It allows for and encourages the acceptance of closed systems.

Client/server architecture is a ________-based computing environment in which a central database server or engine performs all database commands sent to it from client workstations, and application programs on each client concentrate on user interface functions.

LAN

In which design phase of the SDLC are all functional features of the system chosen for development in analysis described independently of any computer platform?

Logical design

A ________ is simply a list of options; when an option is selected by the user, a specific command is invoked.

Menu

________ is a human-computer interaction method in which a list of system options is provided and a specific command is invoked by user selection of a menu option.

Menu interaction

"a" is a combination of hardware, software, and communication technologies that brings data management, presentation, and analysis together into a three-tiered (or n-tiered) client/ server environment. What is "a"?

Middleware

________ is a combination of hardware, software and communication technology that brings data management, presentation, and analysis together into a three-tiered (or n-tiered) client/server environment.

Middleware

________ is a human-computer interaction method whereby inputs to and outputs from a computer-based application are in a conventional spoken language such as English

Natural language interaction

Barry asked Jerry for a diagram that shows the sequence of dependencies between tasks. Barry is asking for a ________

Network diagram

TRUE

Ninety-four percent of companies report that they practice agile in their systems development efforts.

Which of the following is NOT a characteristic of a steering committee when making IS identification and selections?

No concern with cost-benefit analysis

Which interaction is a human-computer interaction method in which symbols are used to represent commands or functions?

Object-based interaction

Systems development methodologies and techniques which are based on objects rather than data or processes are known as ________.

Object-oriented analysis and design

Which activity in the maintenance phase requires that a formal process be established whereby users can submit system change requests

Obtaining maintenance requests

"A consistent organizing principle should be used that relates to the tasks the intended users perform" falls under which category for menu design guidelines?

Organization

Joshua is a new project manager. He is unsure of how much time a new task will require to be completed on the project. He decides to use ________ to estimate a realistic time frame for the task.

PERT

In the ________ model, customers can run their own applications, which are typically designed using tools provided by the service provider.

PaaS

In the ________ model, the user has control over the applications but has limited or no control over the underlying infrastructure.

PaaS

Which installation strategy is this?

Parallel installation

The capability to split a table into separate sections, often called ________, is possible with most relational database products.

Partitioning

Which of the following is a feature of a public cloud?

Pay per use

In which maintenance type are changes made to a system to add new features or to improve performance?

Perfective

________ means providing Internet content to a user based upon knowledge of that customer.

Personalization

Which installation strategy is this?

Phased installation

Logical and ________ database design is typically performed in parallel with other systems design steps.

Physical

________ involves determining what needs to be tested and collecting test data.

Planning

A ________ is the work or actions performed on data so that they are transformed, stored, or distributed

Process

The ________ is a systems analyst with a diverse set of skills-management, leadership, technical, conflict management, and customer relationship-who is responsible for initiating, planning, executing, and closing down a project.

Project manager

Services in a(n) ________ cloud can be used by any interested party on a pay-per-use basis; hence, they are often used for applications that need rapid scalability.

Public

According to guidelines for selecting tables versus graphs, we should use tables for ________.

Reading individual data values

A(n) ________ is one field or a combination of fields for which more than one row may have the same combination of values.

Secondary key

A database designer chooses a file organization for a specific file that will provide the following except ________.

Security from authorized users

Which installation strategy is this?

Single-location installation

A ________ is the origin and/or destination of the data, and these are sometimes referred to as external entities because they are outside the system.

Source

All of the following are guidelines for choosing indexes for relational databases except ________.

Specify multiple keys for each table

Who must review the Baseline Project Plan before it moves to the next phase in the SDLC?

The user, managers, and development group

Which of the following is a critical factor that distinguishes agile methods from traditional approaches to systems development?

Thrives in a culture where people feel empowered by having many degrees of freedom

A single menu has obvious advantages over a command language but may provide little guidance beyond invoking the command.

True

Graphical user interface (GUI) environments are the de facto standard for human-computer interaction.

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

A recursive relationship is also known as a ________ relationship.

Unary

Cloud computing has the following characteristics that distinguish it from in-house infrastructure except_______

Unmeasured service

________ is an overall evaluation of how a system performs in supporting a particular user for a particular task.

Usability

When designing forms and reports, which characteristic focuses on issues related to experience, skills, motivation, education, and personality that should be considered?

User

When choosing a weighted system to determine project viability, what should the organization keep in mind?

Weights are subjective.

Increasingly, developers are using tools that can quickly create screen mockups, referred to as ________, to show the placement of information elements on a screen and the space needed for each element.

Wireframes

Project break-even occurs ...

between years 1 and 2

Which of the following is a feature of a private cloud?

control

Which of following is false?

d

________-oriented architecture is a software architecture in which business processes are broken down into individual components that are designed to achieve the desired results for the service consumer.

service

What is the value of c (OVERALL NPV)? HINT: You can find the value of c by adding a and b Don't include decimal places or parentheses when providing numerical answers.

848,819 (with margin: 0)

If a project has a small or narrow focus, it most likely was chosen by ________.

A business unit

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

A description of the alternative solution

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

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

Which of the following is NOT a part of the project management process?

Adjoining

According to the DFD conventions, the data flow is always depicted by a(n) ________.

Arrow

Which option identifies the point at which benefits equal costs?

Break-even analysis

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

Business process reengineering

Which of the following is NOT a feature of PERT?

Calculates budget for a project

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

Candidate

The ________ defines the number of instances of entity B that can (or must) be associated with each instance of entity A.

Cardinality

The concept of DFD ________ refers to whether or not the depiction of the system shown at one level

Consistency

________ solutions integrate individual traditional business functions into a series of modules so that a single transaction occurs seamlessly within a single information system rather than several separate systems.

ERP

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

Entity

________ and ________ are the two processes of prototypes.

Evolutionary; throwaway

A(n) ________ is the smallest unit of application data recognized by system software, such as a programming language or database management system.

Field

The term ________ is used when a project is reviewed after each stage to determine its continuance.

Incremental commitment

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

Offshore

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

Primary key

All of the following are categories of feasibility except

Scope

Which evaluation criterion for classifying and ranking projects deals with helping an organization achieve its long-term goals?

Strategic alignment

Which of the following is NOT an example of a recurring cost?

System conversion

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

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 term below means that money available today is worth more than the same amount tomorrow?

Time value of money

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

outsourcing

One prime example of a cloud computing provider is ________.

Amazon Web Services

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

Entity-relationship

What is the result of normalization?

Every nonprimary key attribute depends on the whole primary key and nothing but the primary key.


संबंधित स्टडी सेट्स

Fordneys Medical Insurance Chapters 1 - 9 true or false

View Set

Abnormal Psychology Case Study Examples

View Set

phosphates sulfate carbonates - formulas

View Set