CIS 4

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?

Abbreviations

Highlighting can be a valuable technique for providing warnings to users regarding possible problems such as unusual data values or an unavailable device.

true

In a relational table, each row is unique and uniqueness is guaranteed because the relation has a non-empty primary key value.

true

Increasingly, developers are using tools that can quickly create screen mockups, referred to as wireframes.

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

User-centered design refers to a design approach that involves an understanding of the target audience, their tasks and goals, information needs, experience levels, and so on.

true

When designing the navigation procedures within our system, flexibility and consistency are primary concerns.

true

When two 3NF relations are merged to form a single relation, dependencies between non-keys may result.

true

"What does 'Graphics' mean?" is an example of a question asked during which type of help?

Help on menu

Under which design specification category for interfaces and dialogues do testing procedures appear?

testing and usability assessment

The ________ report provides a summary of critical information on a recurring basis.

Key-indicator

"Entry methods should be consistent and reflect the size of the application and sophistication of the users," falls under which category for menu design guidelines?

Selection

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

Narrative Overview

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.

Normalization

In a relation, each row is unique and uniqueness is guaranteed because the relation has a non-empty ________ key value.

Primary

A(n) ________ is an attribute (or combination of attributes) whose value is unique across all occurrences of a relation.

Primary key

Range validation test is done to ensure data are within proper range of values.

True

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

User

"Clearly show where we are (e.g., page 1 of 3) on the report" is related to ________ for the design of forms and reports.

an easy navigation system

"Notifying users when on the last page of a multi-paged sequence" is related to ________ for the design of forms and reports.

an easy navigation system

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

command language interaction

The ________ report highlights data that are out of the normal operating range.

exception

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

false

A touch screen is the most accurate device for a text selection task

false

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

false

De-normalization is a process for converting complex data structures into simple, stable data structures.

false

During logical database design, you must account for every data element on a system input or output—form or report—and on the flow chart.

false

Highlighting cannot be a valuable technique for notifying users of errors in data entry or processing.

false

Transmitting the screen to the application program comes under editing capabilities for data entry screen.

false

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.

Conceptual

"Never require data that are already online or that can be computed," relates to captioning guidelines for structuring data entry fields.

False

"Reversing the sequence of one or more characters in a field," is related to transcripting data error type.

False

"Test for too few or too many characters," is part of the values validation test.

False

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

False

"Valid date, which identifies on what date (or time) the data in the form or report was accurate," is related to ________ for the design of forms and reports.

Meaningful titles

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

Narrative Overview

A paper prototype is a series of mock ________ that can be used to test content, look, and feel, as well as the task flow and other usability factors.

Screens

"Menu items should be displayed in mixed uppercase and lowercase letters and have a clear, unambiguous interpretation," falls under which category for menu design guidelines?

Wording

A functional dependency is a particular relationship between two ________.

attributes

A(n) ________ is a coding scheme recognized by system software for representing organizational data.

data type

The ________ report provides details behind the summary values on a key-indicator or exception report.

drill-down

Which menu-positioning method places the access point of the menu near the top line of the display; when accessed, menus open by dropping down onto the display?

drop down menu

A foreign key is an attribute (or combination of attributes) whose value is unique across all occurrences of a relation.

false

A null value is a special field value, similar to a zero, blank, or any other value, that indicates that the value for the field is missing or otherwise unknown.

false

A null value is the value a field will assume unless an explicit value is entered for the field

false

A paper prototype is a simple design to show the placement of information elements on a screen and the space needed for each element.

false

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

flexibility

"Use same family of typefaces within and across displays and reports" is related to which guideline for displaying tables and lists?

formatting columns, rows, and text

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

interface;Dialogue Designs

________ is a usability dimension concerned with how difficult it is for the user to perform a task for the first time.

learnability

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

reading individual data values

A calculated field is a field that can be derived from other database fields and is also known as a computed field or a derived field.

true

A key-indicator report provides a summary of critical information on a recurring basis.

true

A report typically contains data from many unrelated records or transactions.

true

The most common method for implementing ________ is through the use of icons.

Object-based interaction

In a ________ database model, data is represented as a set of related tables or relations.

Relational

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

Second

To minimize data entry errors and user frustration, never require the user to enter information that is already available within the system or information that can be easily computed by the system.

True

De-normalization can increase the chance of errors and inconsistencies that normalization avoided.

true

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

Case

Each ________ in a relation corresponds to an attribute of that relation.

Column

"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

A report typically contains data from many unrelated ________ or transactions.

Records

When using a ________, selections are made by touching a computer display.

Touch screen

"Test where an extra digit is added to a numeric field in which its value is derived using a standard formula," is part of the self-checking digits validation test.

True

"Clear and specific titles describing content and use of form or report" is related to ________ for the design of forms and reports.

meaningful titles

________ is a usability dimension concerned with how easy it is to remember how to accomplish a task when revisiting the system after a period of time.

memorability

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 ________.

mouse

A relation is in ________ if every non-primary key attribute is functionally dependent on the whole primary key.

2NF

A ________ is an attribute that appears as a non-primary key attribute in one relation and as a primary key attribute (or part of a primary key) in another relation.

Foreign Key

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

Form interaction

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?

Format

When using a ________, users push an array of small buttons that represent symbols that are then translated into words and commands.

Keyboard

________ 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

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

Narrative Overview

________ 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

The key should be ________; that is, no attribute in the key can be deleted without destroying its unique identification.

Non-redundant

________ is a process for converting complex data structures into simple, stable data structures.

Normalization

A well-structured 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 and is also known as a ________.

Table

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

Templates

Under which design specification category for interfaces and dialogues does speed of performance appear?

Testing and Usability Assessment

Under which design specification category for interfaces and dialogues does time to learn appear?

Testing and Usability Assessment

A sphere mounted on a fixed base that steers the cursor on a computer display is known as a ________.

Trackball

A relation is in first normal form if every non-primary key attribute is functionally dependent on the whole primary key.

false

Most forms have a stylized format and are usually simple row and column format.

false

The procedure for representing relationships depends on both the degree of the relationship and not on the cardinalities of the relationship.

false

A ________ is a business document that contains only predefined data; it is a passive document used solely for reading or viewing.

report

Each ________ of a relation corresponds to a record that contains data values for an entity.

row

The ________ report is produced at predefined intervals-daily, weekly, or monthly-to support the routine informational needs of an organization.

scheduled

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

Highlighting can be a valuable technique for drawing attention to keywords, commands, high-priority messages, and data that have changed or gone outside normal operating ranges.

true

A relation is a named, ________-dimensional table of data. Each relation (or table) consists of a set of named columns and an arbitrary number of unnamed rows.

two