technology in action alan evans kendall martin mary anne poatsy twelfth edition

Technologyin Action

Alan Evans • Kendall Martin

Mary Anne Poatsy

Twelfth Edition

Technology in Action

Chapter 8

Digital Devices and Media:Managing a Digital Lifestyle

Copyright © 2016 Pearson Education, Inc.

Mobile Devices

• Digital Convergence

• Telephony: Smartphones and Beyond

• Tablets, Netbooks, and Ultrabooks

8-3


Digital Convergence

Objective

1. How is the trend of digital convergence seen in the market?

8-4


Telephony:Smartphones and Beyond

Objectives

2. What hardware and software comprise a typical smartphone?

3. How do I synchronize information between my phone and my computer, and how do mobile Internet data plans work?

4. What do I need to keep my smartphone secure?

5. How does digital telephony support VoIP services? 8-5


Tablets, Netbooks,and Ultrabooks

Objective

6. What distinguishes the performance of tablets, netbooks, and ultrabooks?

8-6


Digital Convergence

• Single unifying deviceMedia, Internet,

entertainment, and telephony needs

• Smartphones

• Electronics systems in cars

• Digital Living Network Alliance (DLNA)

8-7


Telephony: Smartphones and Beyond

Telephony—use of equipment to provide voice communications over a distance

8-8


Telephony: Smartphones and BeyondSmartphone Basics

• Smartphone functions and features

• Cellular (cell) phones Mobile, cellular technology

• Feature phones

8-9


Telephony: Smartphones and BeyondSmartphone Components

• Memory stores information and programs

• OS—read-only memory (ROM)

• Data is stored in separate internal memory chips

• Additional memory• Smartphone operating systems

8-10


Telephony: Smartphones and BeyondSmartphone Components

• Primary input devices

Microphone

Touch pad

• Output devices

Speaker

Liquid crystal display (LCD)

OLED: newer display screen

8-11


Telephony: Smartphones and BeyondHow Cell Phone Technology Works

• Cellular network• Base transceiver station• Mobile switching center• Digital processing

8-12


Telephony: Smartphones and BeyondSynchronizing

• Synchronizing (syncing)

• Two main ways to transfer informationWired

Wireless

• Wired solutionsUSB port

Flash card

• Wireless synchronization8-13


Telephony: Smartphones and BeyondText Messaging

• Short message service (SMS)Short text messages

Up to 160 characters

Convenient and quick

Uses cell phone network

• Multimedia message service (MMS)

8-14


Telephony: Smartphones and BeyondMobile Internet

• Connection speed will depend on which technology you are using (3G, 4G LTE)

8-15


Telephony: Smartphones and BeyondVoIP

• Digital phone service

• Technology similar to e-mail

• Skype

8-16


Telephony: Smartphones and BeyondVoIP

• Calls can be placed anywhere you have Internet access

• Free or low-cost long-distance calling

• Portability

• DrawbacksSound quality and reliability

Loss of service at home if power is out

Security risks

8-17


Telephony: Smartphones and BeyondSmartphone GPS

• Enhanced 911 programAutomatically gives precise location

• Built and operated by the U.S. Department of Defense

8-18


Tablets, Netbooks, UltrabooksTablets

• Smartphone and tablet similaritiesOperating systems

Processors

Touch-screen interfaces

Long battery life

Similar software applications

Similar Internet connectivity

Bluetooth

8-19


Tablets, Netbooks, UltrabooksNetbooks

• NetbooksTraditional OS

Keyboard

Weigh 2 pounds or less

Inexpensive compared with tablets and ultrabooks

8-20


Tablets, Netbooks, UltrabooksUltrabooks

• UltrabooksFull-featured computers

Very thin, lightweight computing solution

Don’t have optical drives

Offer SSD drives

Weigh under 3 pounds

Full-size keyboards

13- to 15-inch screens

8-21


Tablets, Netbooks, UltrabooksMaking a Choice

• Guidelines to determine what fits your personal needsScreen size and style of keyboard

Weight

Number of devices

8-22


The Digital Information Age

• Digital Defined

• Digital Media

8-23


Digital Defined

Objective

7. What advantage do digital formats have over analog signals?

8-24


Digital Media

Objectives

8. How is the digital format changing the way media is created and distributed?

9. How do I work with digital images and videos?

8-25


Digital Defined

• Any kind of information can be digitized

• Digital formats Long strings of

numbers

• Analog-to-digital conversion

8-26


Digital MediaDigital Publishing

• Software for PC or Apple computersKindle and the NOOK

• Download texts as PDF

• Browser add-ons

• Digital formats

• Vendors associated with e-reader devices

• Project Gutenberg

• Self-publishing8-27


Digital MediaDigital Photography

• Digital cameras Capture images and videoConvert to digital data

• Factors that determine image qualityQuality of lensesImage sensor sizeFile format and compression appliedColor management softwareCamera's resolution

8-28


Check Your Understanding

1. How is the trend of digital convergence seen in the market?

2. What hardware and software comprise a typical smartphone?

3. How do I synchronize information between my phone and my computer, and how do mobile Internet data plans work?

4. What do I need to keep my smartphone secure?

5. How does digital telephony support VoIP services?

8-29


Check Your Understanding

6. What distinguishes the performance of tablets, netbooks, and ultrabooks?

7. What advantage do digital formats have over analog signals?

8. How is the digital format changing the way media is created and distributed?

9. How do I work with digital images and video?

8-30

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic,

mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America.


technology in action alan evans kendall martin mary anne poatsy twelfth edition

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