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Introduction to Input and Output Devices

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Introduction to Input and Output Devices

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Questions and Answers

What is a stylus?

A touch input device for 3D gestures

A mechanical mouse with a ball for tracking

A pen-like device used for electronic drawing or writing (correct)

A noncontact system for full body input

What is the main function of a mechanical mouse with a ball?

To move a pointer around the screen (correct)

To support two-dimensional gestures

To input handwritten text and sketches

To control devices with 3D gestures

What are touch mice designed to support?

Two-dimensional gestures (correct)

Full body input and input from a distance

Handwritten text and sketches

Voice commands and facial expressions

In which fields is pen input being used?

Industrial design, document processing, healthcare applications Signup and view all the answers

What is the main purpose of pen input in mobile devices and tablet computers?

To input handwritten text and sketches and manipulate objects Signup and view all the answers

What is the main advantage of optical or laser mice over older mechanical mice?

They track with light Signup and view all the answers

What distinguishes trend box 9, Perceptual Computing, from traditional input devices?

It allows for full body input and input from a slight distance away Signup and view all the answers

In what fields is pen input commonly being used?

Photography, graphic design, animation Signup and view all the answers

What is the primary function of a stylus in the context of electronic devices?

To draw or write electronically on the screen Signup and view all the answers

How is pen input commonly used in mobile devices and tablet computers?

To input handwritten text and sketches and to manipulate objects Signup and view all the answers