Group Members:1.Muhammad Hafeezul Anwar Roslan

2.Hazeem Azman3.Nur Atikah Shamat

4.Ummi Syafiqah Mohd Jalil

ACTIVITY 3TYPE OF INTERFACES

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TANGIBLE

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DEFINITION:

Tangible:  from Latin tangere "to touch," and it simply means something that can be touched or felt, though it can be used in metaphorical senses.

A thing that is perceptible by touch.

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TANGIBLE AND INTANGIBLE BENEFITS

Tangible Intangible

 It is a benefit to a person or organization which can be felt and touched. It is a real

benefit which is straight forward

It is an indirect benefit which can't be felt or

touched.

Example: Saving money Example: Saving time

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TANGIBLE INTERFACE:

Type of sensor-based interaction, where physical objects (e.g: bricks) are coupled with digital representations.

When person manipulates the physical object/s, it causes a digital effect to occur (e.g: an animation).

Digital effects can take place in a number of media and places or can be embedded in the physical object. 04/15/235 HUMAN COMPUTER INTERACTION

Example tangible interface:

1. Computer Mouse

Dragging the mouse over a flat surface and have a pointer moves on the screen accordingly

Relationship about the behaviors shown by a system with the movements of a mouse.

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Research and design issues:

How to design systems that can keep conversation

on track?

Help people navigate efficiency through a menu system.

Enable them to easily recover from errors.

Guide those who are vague or ambiguous in their requests for information/services.

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INFORMATION VISUALIZATION

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DEFINITIONS:

Visualise – To form a mental model or image of something.

Information visualization:

The process of forming a mental model of information.

Important characteristics. A human cognitive activity. Independents of computers. May involve senses other than seeing, sound and

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EXAMPLE:

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COMPUTERS AND INFORMATION VISUALIZATION

Principal task of information visualization:

Allow information to be derived from data.

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COMPUTERS AND INFORMATION VISUALIZATION

Computer technology has enabled major advances:

Reductions in memory cost and speed.Encouraged data storage in business and

government.Increases in computation speed and power.Allow interactive computations of views.High-resolutions graphical displays.Allow views that match the power and

characteristics of human perception and cognition.

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