Lau Test 4 - Quiz Questions (first set)
Meaningful titles
"Clear and specific titles describing content and use of form or report" is related to ______ for the design of forms and reports.
Formatting columns, rows, and text
"Use a single typeface, except for emphasis" is related to which guideline for displaying tables and lists?
False
A foreign key is an attribute (or combination of attributes) whose value is unique across all occurrences of a relation.
Non-Primary
A functional dependency between ____ key attributes is also called a transitive dependency.
Hardware
All human-computer interfaces must have an interaction style and use some _____ for supporting this interaction.
False
De-normalization is a process for converting complex data structures into simple, stable data structures.
False
Excessive data movement is a limitation when using file servers on WANs
Textual Output
In business-related systems, ______ is becoming increasingly important as text-based applications such as electronic mail, bulletin boards, and information services are more widely used.
Redundancy
One purpose of database design is to structure the data is stable structures, called normalized tables, that are not likely to change over time and that have minimal ______.
Drill-down
The _____ report provides details behind the summary values on a key-indicator or exception report.
Data Management
The ______ functions of an IS manage all interaction between software and files and databases, including data retrieval/querying, updating, security, concurrency control, and recovery.
Data analysis
The ______ functions of an IS transform inputs into outputs, including simple summarization to complex mathematical modeling such as regression analysis.
False
REST is a complex and slower alternative to SOAP, typically communicating over HTTP utilizing JSON for formatting information.
True
Range validation test is done to ensure data are within proper range of values
True
Maximize is a property of windows and forms in a GUI environment that allows users to expand a window or form to a full-size screen.
Control
Which of the following is a feature of a private cloud?
Logical
Normalized relations are, of course, the result of ______ database design
Associative entity with additional key
Which relation is created with a composite primary key using the primary keys of the related entities and additional primary key attributes associated with the relationship or associative entity, plus any non-key attributes of the relationship or associative entity?
Abbreviations
Using acronyms only when they are widely understood by users and are significantly shorter than the full text is related to which of the guidelines for displaying text?
Weak Entity
Which relation is created with a composite primary key (which includes the primary key of the entity on which this weak entity depends) and non-key attributes?
Format
Which usability factor specifies that information format should be consistent between entry and display, and format should distinguish each piece of data and highlight, not bury, important data?
A balanced layout
"All data and entry fields should be clearly labeled" is related to _____ for the design of forms and
Meaningful Titles
"Clear and specific titles describing content and use of form or report" is related to ______ for the design of forms and reports.
An easy navigation system
"Clearly show where we are (e.g, page 1 of 3) on the report" is related to ______ for the design of forms and reports.
Mouse
A small plastic box that users push across a flat surface and whose movements are translated into cursor movement on a computer display is known as a _______.
Records
A report typically contains data from many unrelated ______ or transactions.
Componentization
According to the _______ service principle, a service should be simple and modular.
True
BIND provides the ability to locate information using common domain names that are translated into corresponding Internet Protocol (IP) addresses.
E-R diagram
During logical database design, you must account for every data element on a system input or output form or report and on the ______.
Column
Each ____ in a relation corresponds to an attribute of that relation.
Row
Each ____ of a relation corresponds to a record that contains data values for an entity.
True
Each relationship in an E-R diagram must be represented in the relational database design and how we represent a relationship depends on its nature.
False
Size differences and reverse video are common methods of highlighting information.
Logical
We begin the physical design phase by addressing the design of physical fields for each attribute in a ___ data model.
Displaying long lists as long pages
Which error is addressed by the recommendation to avoid requiring users to scroll down a page to view information, especially navigational controls?
Anything that looks like advertising
Which error is addressed by the recommendation to make sure that one avoids designing any legitimate information in a manner that resembles advertising.
Outdated information
Which error is addressed by the recommendation to make sure the site is continuously updated so that users "feel" that the site is regularly maintained and updated?
Object-based interaction
Which interaction is a human-computer interaction method in which symbols are used to represent commands or functions?
Drop-down menu
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?
REST
______ is a relatively simple and fast protocol for communicating JSON data between web service applications and the operating system.
Personalization
______ means providing internet content to a user based upon knowledge of that customer.
Logical
_______ database design is driven not only from the previously developed E-R data model for the application or enterprise but also from form and report layouts.
De-normalization
_______ is the process of splitting or combining normalized relations into physical tables based on affinity of use of rows and fields.
Resource Pooling
_______ specifies that rather than renting out space or time to each customer on one specific, physical machine, cloud providers manage multiple distributed resources that are dynamically assigned to multiple customers based on their needs.
BIND
__________ is a method for translating internet domain names into Internet Protocol (IP) addresses.
A balanced layout
"Adequate spacing and margins should be used in a report" is related to ______ for the design of forms and reports.
Wording
"Command verbs should clearly and specifically describe operations," falls under which category for menu design guidelines?
Closure
"Dialogues should be logically grouped and have a beginning, middle, and end," is related to which guideline for the design of human-computer dialogues?
Selection
"How the user is to select each option and the consequences of each option should be clear," falls under which category for menu design guidelines?
show
"Provide examples of proper use and the outcomes of such use," is related to which guideline for designing usable help?
Use meaningful labels
"Redisplay labels when the data extend beyond a single screen or page" is related to which guideline for displaying tables and lists?
Formatting columns, rows, and text
"Similar information displayed in multiple columns should be sorted vertically" is related to which guideline for displaying tables and lists?
False
"Test for too few or too many characters," is part of the values validation test.
False
"Use abbreviations and acronyms only when they are widely understood by users and are significantly shorter than the full text" is not a guideline for displaying text.
False
A null value is the value a field will assume unless an explicit value is entered for the field.
Joystick
A small vertical lever mounted on a base that steers the cursor on a computer display and provides similar functionality to a mouse is known as a ______.
Indexed File Organization
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.
Middleware
A(n) ______ 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.
Primary Key
A(n) ______ is an attribute (or combination of attributes) whose value is unique across all occurrences of a relation.
API
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.
Virtual Machine
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.
Primary Key
Each entity type in the E-R diagram becomes a relation. The identifier of the entity type becomes the ________ of the relation, and other attributes of the entity type become non-primary key attributes of the relation.
True
Error messages should appear in roughly the same format and placement each time so that they are recognized as error messages and not as some other information.
True
Highlighting can be a valuable technique for providing warnings to users regarding possible problems such as unusual data values or an unavailable device.
Second
In ____ normal form, each non-primary key attribute is identified by the whole key (what we call full functional dependency).
True
In a relational table, each row is unique and uniqueness is guaranteed because the relation has a non-empty primary key value.
True
In advanced architectures, data analysis can reside on a powerful application server, resulting in substantially faster response times for users.
integration
In logical database modeling and design, we combine normalized data requirements from all user interfaces into one consolidated logical database model; this step is called view ____.
Conceptual
In logical database modeling and design, we translate the ______ E-R data model for the application or enterprise, developed without explicit consideration of specific user interfaces, into normalized data requirements.
Data management
In most situations, many physical database design decisions are implicit or eliminated when we choose the _____ technologies to use with the application.
False
In range partitioning, a table row is assigned to a partition by an algorithm and then maps the specified attribute value to a partition.
Homonym
In some situations, a single attribute name, called a(n) _______, may have more than one meaning or describe more than one characteristic.
PaaS
In the ______ model, the user has control over the applications but has limited or no control over the underlying infrastructure.
True
Increasingly, developers are using tools that can quickly create screen mockups, referred to as wireframes.
Justification
Left-justifying text and leaving a ragged-right margin is related to which of the guidelines for displaying text?
True
Logical database design is driven not only from the previously developed E-R data model for the application or enterprise but also from form and report layouts.
True
Relative to SOAP and XML, REST and JSON are much simpler to understand, easier for machines to process and generate, and easier for humans to design and implement.
True
The benefits of color only seem to apply if the information is first provided to the user in the most appropriate presentation format.
Object-based interaction
The most common method for implementing ______ is through the use of icons.
True
The usability of information displayed in tables and alphanumeric lists is likely to be much more heavily influenced by effective layout than most other types of information display.
True
The vast majority of new systems development in organizations focuses on internet based applications and the internet can be used for delivering internal organizational systems, business-to-business systems, or business-to-consumer systems.
False
To clearly show how to move forward and backward is related to balance the layout characteristic during the design of forms and reports.
False
Transmitting the screen to the application program comes under editing capabilities for data entry screen.
Interface/Dialogue Designs
Under which design specification category for interfaces and dialogues do form/report designs appear?
Testing and Usability Assessment
Under which design specification category for interfaces and dialogues does time to learn appear?
System
When designing forms and reports, which characteristic focuses on the platform on which the system is constructed that will influence interaction styles and devices?
True
When displaying textual information, we should also be careful not to hyphenate words between lines or use obscure abbreviations and acronyms.
True
When merging relations that contain synonyms, we should obtain, if possible, agreement from users on a single standardized name for the attribute and eliminate the other synonym.
Broad Network Access
Which cloud computing characteristic specifies that the cloud services are accessible from almost anywhere and from almost any Web-enabled device?
Trackball
Which device is a suitable replacement for a mouse when work space for a mouse is not available?
Appending
Which of the following errors can occur when adding additional characters to a field?
Color fidelity may degrade on different displays
Which of the following is a problem caused by using a color in forms and reports?
Regular Entity
Which relation is created with primary key and non-key attributes only?
Associative entity with its own key
Which relation is created with the primary key associated with the relationship or associative entity, plus any non-key attributes of the relationship or associative entity and the primary keys of the related entities (as foreign key attributes)?
Flexibility
Which usability factor specifies that information should be viewed and retrieved in a manner most convenient to the user?
False
While representing an entity, each non-key attribute of the entity type becomes a key attribute of the relation.
True
De-normalization can increase the chance of errors and inconsistencies that normalization avoided.
PC
In a file server configuration, each file server acts as an additional hard disk for each client ______.
Report
A _____ is a business document that contains only predefined data; it is a passive document used solely for reading or viewing.
True
A common method used to enhance the validity of entering batches of data records is to create an audit trail of the entire sequence of data entry, processing, and storage.
