13 edición de comunnicattion technology update

2. Communication
Technology Update
and Fundamentals
12th Edition

3. Communication
Technology Update
and Fundamentals
12th Edition
AMSTERDAM  BOSTON  HEIDELBERG  LONDON
NEW YORK  OXFORD  PARIS  SAN DIEGO
SAN FRANCISCO  SINGAPORE  SYDNEY  TOKYO
Focal Press is an imprint of Elsevier
AMSTERDAM  BOSTON  HEIDELBERG  LONDON
NEW YORK  OXFORD  PARIS  SAN DIEGO
SAN FRANCISCO  SINGAPORE  SYDNEY  TOKYO
Focal Press is an imprint of Elsevier

4. Editors:
August E. Grant
Jennifer H. Meadows
Technology Futures, Inc.:
Production & Art Editor: Helen Mary V. Marek
Production Associates: Carrie Vanston & Henry Elliott
Focal Press is an imprint of Elsevier
30 Corporate Drive, Suite 400, Burlington, MA 01803, USA
The Boulevard, Langford Lane, Kidlington, Oxford, OX5 1GB, UK
© 2010 ELSEVIER INC. All rights reserved.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic
or mechanical, including photocopying, recording, or any information storage and retrieval system,
without permission in writing from the publisher. Details on how to seek permission, further
information about the Publisher’s permissions policies and our arrangements with organizations such
as the Copyright Clearance Center and the Copyright Licensing Agency, can be found at our
website: www.elsevier.com/permissions.
This book and the individual contributions contained in it are protected under copyright by the
Publisher (other than as may be noted herein).
Notices
Knowledge and best practice in this field are constantly changing. As new research and experience
broaden our understanding, changes in research methods, professional practices, or medical
treatment may become necessary.
Practitioners and researchers must always rely on their own experience and knowledge in evaluating
and using any information, methods, compounds, or experiments described herein. In using such
information or methods they should be mindful of their own safety and the safety of others, including
parties for whom they have a professional responsibility.
To the fullest extent of the law, neither the Publisher nor the authors, contributors, or editors, assume
any liability for any injury and/or damage to persons or property as a matter of products liability,
negligence or otherwise, or from any use or operation of any methods, products, instructions, or
ideas contained in the material herein.
Library of Congress Cataloging-in-Publication Data
Application submitted
British Library Cataloguing-in-Publication Data
A catalogue record for this book is available from the British Library.
ISBN: 978-0-240-81475-9
For information on all Focal Press publications visit our website at www.elsevierdirect.com
Companion Web site for Recent Developments: http://www.tfi.com/ctu
10 11 12 13 5 4 3 2 1
Printed in the United States of America

5. vii
Preface
www.tfi.com/ctu
W

6. Preface
viii

7. 1
1
Introduction to Communication
Technologies




C

8. Section I  Fundamentals
2
The Google Tale

9. Chapter 1  Introduction to Communication Technologies
3
The “Umbrella Perspective” on Communication
Technology

10. Section I  Fundamentals
4

11. Chapter 1  Introduction to Communication Technologies
5
Individual
User
SocialSystem
OrganizationalInfrastructure
Hardware Software

12. Section I  Fundamentals
6
So Why Study New Technologies?

13. Chapter 1  Introduction to Communication Technologies
7
Overview of Book

14. Section I  Fundamentals
8
http://www.tfi.com/ctu
Bibliography

15. 9
2
Historical Perspectives on
Communication Technology

www.tfi.com/ctu

T

16. Section I  Fundamentals
10
www.tfi.com/ctu
Newspapers
Periodicals
Books Telephone
Recorded Music
Radio
Television
Cable TV
DVR
VCR DBS
HSD
Internet
CD
DTV
Satellite Radio
MP3
WiFi Streaming
VoIP
HDTV
Cell Phones
Netbook
IPTV
Video Games
Flash Memory
PC
eBook Reader
Smart Phones
DVD
Blu-ray

17. Chapter 2  Historical Perspectives on Communication Technology
11
Print Media
Newspapers
www.tfi.com/ctu

18. Section I  Fundamentals
12
Periodicals
www.tfi.com/ctu

19. Chapter 2  Historical Perspectives on Communication Technology
13
Books
www.tfi.com/ctu

20. Section I  Fundamentals
14

21. Chapter 2  Historical Perspectives on Communication Technology
15


Telephone
www.tfi.com/ctu
Wireless telephones

22. Section I  Fundamentals
16

23. Chapter 2  Historical Perspectives on Communication Technology
17

24. Section I  Fundamentals
18

25. Chapter 2  Historical Perspectives on Communication Technology
19
Motion Pictures
www.tfi.com/ctu

26. Section I  Fundamentals
20
www.tfi.com/ctu

27. Chapter 2  Historical Perspectives on Communication Technology
21
Audio Recording
www.tfi.com/ctu

28. Section I  Fundamentals
22
Radio
www.tfi.com/ctu

29. Chapter 2  Historical Perspectives on Communication Technology
23
Channel1031.com

30. Section I  Fundamentals
24
Television
www.tfi.com/ctu

31. Chapter 2  Historical Perspectives on Communication Technology
25
http://www.dtv.gov

32. Section I  Fundamentals
26
Cable Television
www.tfi.com/ctu

33. Chapter 2  Historical Perspectives on Communication Technology
27
www.tfi.com/ctu

34. Section I  Fundamentals
28
Direct Broadcast Satellite & Other Cable TV
Competitors

35. Chapter 2  Historical Perspectives on Communication Technology
29
www.tfi.com/ctu

36. Section I  Fundamentals
30
Home Video
www.tfi.com/ctu

37. Chapter 2  Historical Perspectives on Communication Technology
31

38. Section I  Fundamentals
32
Personal Computers

39. Chapter 2  Historical Perspectives on Communication Technology
33
www.tfi.com/ctu

40. Section I  Fundamentals
34
Internet
Penetration & Usage
www.tfi.com/ctu

41. Chapter 2  Historical Perspectives on Communication Technology
35
Connection Speeds Increase

42. Section I  Fundamentals
36
Wireless Internet Access
Social Networking

43. Chapter 2  Historical Perspectives on Communication Technology
37
Internet Video

44. Section I  Fundamentals
38

45. Chapter 2  Historical Perspectives on Communication Technology
39
Video Games

46. Section I  Fundamentals
40
Synthesis

47. Chapter 2  Historical Perspectives on Communication Technology
41

48. Section I  Fundamentals
42
Bibliography

49. Chapter 2  Historical Perspectives on Communication Technology
43

50. Section I  Fundamentals
44

 
