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Chapter: User Interface Design - Interface Testing

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Important Short Questions and Answers: Interface Testing

User Interface Design - Interface Testing -

INTERFACE TESTING

 

 

1.Define visualization?

 

Visualization is a cognitive process that allows people to understand information that is difficult to perceive, because it is either too voluminous or too abstract.

 

Convey most relevant information.

 

Maintaining top to bottom and left to right flow through the screen for visualization.

 

2.List some software tools useful for user interface design.

 

User interface model can be created with slide show presentation software tools such as Adobe persuasion, Microsoft power point.

 

Apple Hyper card, Macro mind director or asymmetric Tool book used for creating multimedia application.

Ø Visual programming tool prograph provide direct manipulation.

 

3.What      are the 4 phases of frame work to clarify user interface for textual search.

 

4 phases of frame work

Formulation.

Action.

Review of results.

Refinement.

 

4.List the information search techniques. Various information search techniques.

 

Specific fact finding(known item search)

Extended fact finding.

Phrase search in textual documents.

 

Multimedia document search include photo search, map search, design search, sound search, video search and animation search.

 

5.What is the purpose of usability testing?

 

Testing should begin in the earliest stages of product development and continue throughout the development process.

 

It should include as many of the user’s tasks, and as many of the product’s components, as reasonably possible.

 

 

What are the needs for Prototypes?

 

A prototype is primarily a vehicle for exploration, communication, and evaluation.

 

Its purpose is to obtain user input in design, and to provide feedback to designers.

A prototype is a simulation of an actual system that can be quickly created.

 

7.Define hypermedia.

 

Hypermedia is a term collectively referring to elements such as images, picture, audio,

 

diagrams,animations, etc., that helps in linking web pages so that the user can navigate and view through the pages.

 

They Are not one dimensional like textual links.

 

8.What are the guidelines to be followed before starting the test?

Confermance with a requirement.

 

Confermance with guidelines for good design. Identification of design problems.

 

Ease of system learning. Retention of learning over time. Speed of task completion. Speed of need fulfillment. Error rates.

 

9) What are the advantages of walkthrough?

 

Allow a clear evaluation of the task flow early in the design process.

Do not require a functioning prototype.

Low cost.

Can be used to evaluate alternate solutions.

Can be performed by developers.

More structured than a heuristic evaluation.

Useful for assessing “exploratory learning.”

 

10. Differentiate control and section borders.

Control Border

Incorporate a thin single line border around the elements of selection control

 

Section Border

Incorporate a thicker single line border around group of related entry or the selection control elements.

 

11. What are the principles of good screen design?

Present the proper amount of information on each screen.

Providing an ordering that is logical, sequential and rhythmic to guide a person’s eye through the display.

 

Keep the proportion of the window devoted to information no more than 30 to 40 percent

 

of the window’s entire area.

 

Maintaining a top to bottom, left to right flow.

 

12. What is the purpose of usability testing?

Usability testing serves a two hold purpose.

Testing is used to evaluate the product. It validates design decisions.

It establishes a communication bridge between developers and users.

 

13. What is meant by cognitive walk through?

 

In a cognitive walk through developers walk through an interface in the context of representative user tasks.

 

Individual task actions are examined and the evaluators try to establisha logical reason way the user would perform each examined action.

 

14. What is meant by think-aloud evaluation?

 

The users perform specific tasks while thinking out load. The objective is to get the user to talkcontinuously.

 

15.Define focus group.

 

In a focus group a small group of knowledgeable users and a moderator are brought together to discuss an interface design prototype or proposed design tasks.

 

16.Define transition diagram.

 

It has a set of nodes that represents system states and a set of links between the nodes that

 

represents possible transition.

 

Each link is labeled with the user action that selects that link and possible computer responses.

 

17.What are importances of usability testing?

It is important for many reasons including the following.

Developers and users possess different models.

It is importance to predict usability from appearance.

Design standards and guidelines are not sufficient.

Informal feedback is inadequate.

 

18.What is meant by prototype?

A prototype is a simulation of an actual system tat can be quickly created.

It is a vehicle for exploration, communication and evaluation.

 

19.What are the various searches used in the multimedia document?

Photo search

Map search

Design or Diagram search

Sound search

Video search

Animation search

 

20.What are the features of user-interface building tools?

User interface independence

Rapid prototyping

Methodology and notation

 

21.List some software tools used for user interface design.

 

User interface model can be created with slide show presentation such as Adobe persuasion,Microsoft-Power point.

 

Apple hyper card, Macro Mind director or A Symmetric Tool Book used for creating

 

multimedia applications.

Visual programming tool paragraph provide direct manipulation

 

 

22.What are the benefits of menu trees?

 

They are powerful as a specification tool since they sow users, managers, implementers

 

and other interested parties the complete and detailed coverage of the system.

It shows high level relationships and low level details.

 

23.What are the ways to categorizing the web?

Primary way of categorizing the web sites is by the originator’s identity.

 

Second way of categorizing the web sites is by goals of the organization.

Third way of categorizing the web sites is by the number of pages or amount of information is accessible.

Fourth way of categorizing the web sites is by measure of success.

 

24.What are the various types of TTT?

One dimensional linear data

Two dimensional map data

Three dimensional data

Temporal data

Multi dimensional data

Tree data

Network data

 

25.What is the four phase framework to clarify user interfaces for textual search?

Formulation

Action

Results

Refinement

 

26.Define www.

 

World website design is a matter of balancing the structure and relationship of menu

 

One pages and individual content pages or other linked graphics and documents.

 

27. Mention the types of prototypes.

Hand sketches and scenarios

Interactive paper prototype

Programmed façade.


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