Systems Analysis Final

"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

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

An easy navigation system

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

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

False

"Test to make sure values come from set of standard values," is part of the expected values validation test.

False

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

False

A null value is a special field value, similar to 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 that 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

A private cloud frees an organization from the issues associated with managing the cloud infrastructure.

False

Ad-hoc reports provide details behind the summary values on a key-indicator or exception report.

False

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

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 desing, you must account for every data element on a system input or output - form or report - and on the flow chart

False

In an object oriented database model, data is represented as a set of related tables or relations

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

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.

False

"Break long sequences of alphanumeric data into small groups of three to four characters each" is related to which guideline for displaying tables and lists?

Formatting numeric, textual, and alphanumeric data

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

Key-indicator

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

Keyboard

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

Interface and Dialogue Designs

Under which design specification category for interfaces and dialogues do dialogue sequence diagram(s) and narrative description appear?

Interface/Dialogue Designs

"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

________ 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

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

Narrative Overview

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

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

Which of the below is a problem from using a color in forms and reports?

Printing or conversion to other media may not easily translate.

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

Reading individual data values

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

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

Second

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

Second

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

Second key

"Provide examples of proper use and the outcomes of such use," is related to which guideline for designing usable help?

Show

"Use short, simple wording, common spelling, and complete sentences and give users only what they need to know, with the option to find additional information," is related to which guideline for designing usable help?

Simplicity

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

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

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

An improvement in LAN-based systems is the client/server architecture in which application processing is divided (not necessarily evenly) between client and server.

True

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

True

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

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 addition to providing a look and feel that can be assessed, the paper prototype is also used to test content, task flow, and other usability factors.

True

Logical 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

One objective of interface design is to reduce data entry errors.

True

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

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

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

True

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

Usability

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

2NF

A relation is in _____________ if every primary key attribute is functionally dependent on the whole primary key

2NF

A functional dependency is a particular relationship between two _____________

Attributes

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

Case

Which usability factor specifies that outputs should be self-explanatory and not require users to remember information from prior outputs in order to complete a task?

Clarity

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

Class

Each _______________ in a relation corresponds to an attribute of that relation

Column

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

Command language interaction

In logical database modeling and design, we translate ________________ E-R data model for the application or enterprise, developed without explicit consideration of specific user interfaces, into normalized data requirements

Conceptual

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

Exception

A ___________ is an attribute that appears as a non primary key attribute (or part of a primary key) in another relation

Foreign Key

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

"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

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

Hardware

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

Learnability

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

Normaliation

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

"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

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

Organize

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

Physical

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

Records

One purpose of database design is to structure the data in stable strucrtures, called normalizeed tables, that are not likely to change over time and that have minimal _______

Redundancy

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

"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

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

Templates

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

Testing and Usability Assessment

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

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

Touch screen

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 relation is in third normal form if it is in second normal form and there are no functional dependencies between the two

True

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

True

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

True

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

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

primary