1. NEXT SLIDE © 2006 Prentice-Hall, Inc. 1 Technology In Action

2. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.2 Technology In Action Chapter 8 Mobile Computing: Keeping Your Data on Hand Chapter 8 Mobile Computing: Keeping Your Data on Hand NEXT SLIDE

3. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.3 TopicsTopics Advantages and limitations of mobile computingAdvantages and limitations of mobile computing Mobile computing devices:Mobile computing devices: –Pagers –Cell phones –PDAs –MP3 players Synchronizing mobile devices with computersSynchronizing mobile devices with computers Tablet PCsTablet PCs LaptopsLaptops Advantages and limitations of mobile computingAdvantages and limitations of mobile computing Mobile computing devices:Mobile computing devices: –Pagers –Cell phones –PDAs –MP3 players Synchronizing mobile devices with computersSynchronizing mobile devices with computers Tablet PCsTablet PCs LaptopsLaptops NEXT SLIDE

4. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.4 Mobile Computing: Is it Right for You? Advantages ConvenienceConvenience Boost productivityBoost productivity Communicate with others anywhereCommunicate with others anywhere Access to electronic informationAccess to electronic informationAdvantages ConvenienceConvenience Boost productivityBoost productivity Communicate with others anywhereCommunicate with others anywhere Access to electronic informationAccess to electronic informationLimitations ExpensiveExpensive Battery lifeBattery life Small screen displaySmall screen display Slow Internet speedSlow Internet speed NEXT SLIDE

5. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.5 Mobile Computing Devices PagersPagers Cellular phonesCellular phones MP3 playersMP3 players Personal digital assistantsPersonal digital assistants Tablet PCsTablet PCs Laptop computersLaptop computers PagersPagers Cellular phonesCellular phones MP3 playersMP3 players Personal digital assistantsPersonal digital assistants Tablet PCsTablet PCs Laptop computersLaptop computers NEXT SLIDE

6. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.6 Paging Devices Small wireless devices that receive numeric messages (phone numbers)Small wireless devices that receive numeric messages (phone numbers) Recent technological advancements enable:Recent technological advancements enable: –Voice paging: Receiving voice messages Receiving voice messages –Alphanumeric paging: Receiving numeric and text messages Receiving numeric and text messages –Two-way paging: Receiving and sending text messages Receiving and sending text messages Small wireless devices that receive numeric messages (phone numbers)Small wireless devices that receive numeric messages (phone numbers) Recent technological advancements enable:Recent technological advancements enable: –Voice paging: Receiving voice messages Receiving voice messages –Alphanumeric paging: Receiving numeric and text messages Receiving numeric and text messages –Two-way paging: Receiving and sending text messages Receiving and sending text messages NEXT SLIDE

7. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.7 Cellular Phones Full-featured communication and information storage devicesFull-featured communication and information storage devices Features include:Features include: –Auto-redial –Call timers –Voice-mail –Voice-activated dialing –Internet access –Text messaging –Personal information management Full-featured communication and information storage devicesFull-featured communication and information storage devices Features include:Features include: –Auto-redial –Call timers –Voice-mail –Voice-activated dialing –Internet access –Text messaging –Personal information management NEXT SLIDE

8. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.8 Cell Phone Hardware Microprocessor (CPU):Microprocessor (CPU): –Coordinates data between components –Runs the operating system Memory:Memory: –ROM stores the operating system –Internal memory chips store: Contact data Contact data Ring tones Ring tones Images Images Small application programs Small application programs Microprocessor (CPU):Microprocessor (CPU): –Coordinates data between components –Runs the operating system Memory:Memory: –ROM stores the operating system –Internal memory chips store: Contact data Contact data Ring tones Ring tones Images Images Small application programs Small application programs Microprocessor Memory NEXT SLIDE

9. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.9 Cell Phone Hardware Input devices:Input devices: –Microphone –Keypad –Graffiti pad –Touch-screen –Digital camera Output devices:Output devices: –Speaker –LCD display Input devices:Input devices: –Microphone –Keypad –Graffiti pad –Touch-screen –Digital camera Output devices:Output devices: –Speaker –LCD display Microphone Keypad LCD display Speaker NEXT SLIDE

10. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.10 How Cell phones work Microphone (sound wave)Microphone (sound wave) Analog-to-digital converter chip (digital)Analog-to-digital converter chip (digital) Digital signal processor (compression)Digital signal processor (compression) Cellular network (radio wave)Cellular network (radio wave) Digital signal processor (decompression)Digital signal processor (decompression) AmplifierAmplifier SpeakerSpeaker Microphone (sound wave)Microphone (sound wave) Analog-to-digital converter chip (digital)Analog-to-digital converter chip (digital) Digital signal processor (compression)Digital signal processor (compression) Cellular network (radio wave)Cellular network (radio wave) Digital signal processor (decompression)Digital signal processor (decompression) AmplifierAmplifier SpeakerSpeaker

11. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.11 Cell Phone Features Text messaging:Text messaging: –Short Message Service (SMS): Send messages up to 160 characters Send messages up to 160 characters Store-and-forward technology Store-and-forward technology –Multimedia Message Service (MMS): Send text, sound, images, and video clips Send text, sound, images, and video clips Internet connectivity:Internet connectivity: –Wireless Internet service provider –Maximum speed of 14.4 Kbps –Micro-browser software –Wireless Markup Language (WML) Text messaging:Text messaging: –Short Message Service (SMS): Send messages up to 160 characters Send messages up to 160 characters Store-and-forward technology Store-and-forward technology –Multimedia Message Service (MMS): Send text, sound, images, and video clips Send text, sound, images, and video clips Internet connectivity:Internet connectivity: –Wireless Internet service provider –Maximum speed of 14.4 Kbps –Micro-browser software –Wireless Markup Language (WML) NEXT SLIDE

12. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.12 MP3 Players MP3:MP3: –Format for storing music MP3 player:MP3 player: –A small device that stores and plays music Storage space determines the number of songs stored:Storage space determines the number of songs stored: –Memory chips 64 MB to 256 MB –Hard drive up to 40 GB –Sampling rate (64Kbps/192KBps) MP3:MP3: –Format for storing music MP3 player:MP3 player: –A small device that stores and plays music Storage space determines the number of songs stored:Storage space determines the number of songs stored: –Memory chips 64 MB to 256 MB –Hard drive up to 40 GB –Sampling rate (64Kbps/192KBps) NEXT SLIDE

13. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.13 MP3 Flash Memory Used to add additional memory to MP3 playersUsed to add additional memory to MP3 players Types of flash memory:Types of flash memory: –Compact Flash: 64 MB to 1 GB 64 MB to 1 GB –Multimedia (MMC) and SmartMedia: 128 MB 128 MB –Secure Digital: 512 MB 512 MB –Sony Memory Stick: 128 MB 128 MB Used to add additional memory to MP3 playersUsed to add additional memory to MP3 players Types of flash memory:Types of flash memory: –Compact Flash: 64 MB to 1 GB 64 MB to 1 GB –Multimedia (MMC) and SmartMedia: 128 MB 128 MB –Secure Digital: 512 MB 512 MB –Sony Memory Stick: 128 MB 128 MB NEXT SLIDE

14. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.14 MP3 Ethical Issues Is it illegal to download MP3 files?Is it illegal to download MP3 files? –MP3.com, www.apple.com/itunes: Song files are on a public server Song files are on a public server Permission is given by the artist or recording company to place the files on the server Permission is given by the artist or recording company to place the files on the server A fee is paid to download a file. A fee is paid to download a file. –Napster: A file exchange site A file exchange site Song files were borrowed from users computers (peer-to-peer (P2P) sharing) Song files were borrowed from users computers (peer-to-peer (P2P) sharing) Sued for copyright infringement Sued for copyright infringement Is it illegal to download MP3 files?Is it illegal to download MP3 files? –MP3.com, www.apple.com/itunes: Song files are on a public server Song files are on a public server Permission is given by the artist or recording company to place the files on the server Permission is given by the artist or recording company to place the files on the server A fee is paid to download a file. A fee is paid to download a file. –Napster: A file exchange site A file exchange site Song files were borrowed from users computers (peer-to-peer (P2P) sharing) Song files were borrowed from users computers (peer-to-peer (P2P) sharing) Sued for copyright infringement Sued for copyright infringement NEXT SLIDE

15. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.15 Small devices that store digital informationSmall devices that store digital information Known as palm computers or handheldsKnown as palm computers or handhelds PDA hardware includes:PDA hardware includes: –CPU –Operating system –Storage capabilities –Input/output devices –Ports Small devices that store digital informationSmall devices that store digital information Known as palm computers or handheldsKnown as palm computers or handhelds PDA hardware includes:PDA hardware includes: –CPU –Operating system –Storage capabilities –Input/output devices –Ports Personal Digital Assistants (PDAs) NEXT SLIDE

16. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.16 PDA Input and Output Devices Input devices Touch-screen with stylusTouch-screen with stylus Keyboards:Keyboards: –On-screen –Integrated –Folding Digital camerasDigital cameras Input devices Touch-screen with stylusTouch-screen with stylus Keyboards:Keyboards: –On-screen –Integrated –Folding Digital camerasDigital cameras Output devices LCD displays:LCD displays: – Grayscale – Color NEXT SLIDE

17. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.17 PDA Processors Popular processors:Popular processors: –Motorola DragonBall –Texas Instruments OMAP –Intel XScale Comparing processors:Comparing processors: –Speed –Performance: Benchmarking Benchmarking –Power consumption Popular processors:Popular processors: –Motorola DragonBall –Texas Instruments OMAP –Intel XScale Comparing processors:Comparing processors: –Speed –Performance: Benchmarking Benchmarking –Power consumption NEXT SLIDE

18. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.18 PDA Operating Systems Palm OS Uses less memory than Pocket PCUses less memory than Pocket PC Easy to use graphical interfaceEasy to use graphical interface Features include:Features include: –Calendar –To-do list –Contact information –Viewing Videos –Playing MP3 files Extra application software is availableExtra application software is available Palm OS Uses less memory than Pocket PCUses less memory than Pocket PC Easy to use graphical interfaceEasy to use graphical interface Features include:Features include: –Calendar –To-do list –Contact information –Viewing Videos –Playing MP3 files Extra application software is availableExtra application software is available Pocket PC Scaled-down version of WindowsScaled-down version of Windows More expensive than Palm OSMore expensive than Palm OS Features include:Features include: – PDA version of Microsoft Word and Excel – Viewing videos – Playing MP3 files Extra application software is availableExtra application software is available NEXT SLIDE

19. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.19 PDA Memory and Storage ROM stores the operating system and the basic programsROM stores the operating system and the basic programs RAM stores additional applications and dataRAM stores additional applications and data Flash memory is used for additional storageFlash memory is used for additional storage ROM stores the operating system and the basic programsROM stores the operating system and the basic programs RAM stores additional applications and dataRAM stores additional applications and data Flash memory is used for additional storageFlash memory is used for additional storage NEXT SLIDE

20. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.20 PDA File Transfer and Synchronization PDA files can be transferred to a desktop using:PDA files can be transferred to a desktop using: –Flash card readers –Cradles Synchronizing updates files on both the PDA and desktopSynchronizing updates files on both the PDA and desktop Wireless transfers:Wireless transfers: –IrDA –Bluetooth PDA files can be transferred to a desktop using:PDA files can be transferred to a desktop using: –Flash card readers –Cradles Synchronizing updates files on both the PDA and desktopSynchronizing updates files on both the PDA and desktop Wireless transfers:Wireless transfers: –IrDA –Bluetooth NEXT SLIDE

21. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.21 PDA Internet Connectivity An Internet connection requires a wireless ISPAn Internet connection requires a wireless ISP Web pages are accessed using Wireless Application Protocol (WAP)Web pages are accessed using Wireless Application Protocol (WAP) Web clipping enables information from Web pages to be formatted for PDAsWeb clipping enables information from Web pages to be formatted for PDAs An Internet connection requires a wireless ISPAn Internet connection requires a wireless ISP Web pages are accessed using Wireless Application Protocol (WAP)Web pages are accessed using Wireless Application Protocol (WAP) Web clipping enables information from Web pages to be formatted for PDAsWeb clipping enables information from Web pages to be formatted for PDAs NEXT SLIDE

22. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.22 PDA Software and Accessories Standard software:Standard software: –To-do list –Contacts manager –Calendar Additional software:Additional software: –Microsoft Word and Excel –Games –Tools –References Standard software:Standard software: –To-do list –Contacts manager –Calendar Additional software:Additional software: –Microsoft Word and Excel –Games –Tools –References Blueboard: – PDA display acts as a drawing board – Connects to four other PDAs NEXT SLIDE

23. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.23 Tablet PCs Portable computers with handwriting recognition and speech recognitionPortable computers with handwriting recognition and speech recognition Two monitor modes:Two monitor modes: –Laptop –Tablet Portable computers with handwriting recognition and speech recognitionPortable computers with handwriting recognition and speech recognition Two monitor modes:Two monitor modes: –Laptop –Tablet NEXT SLIDE

24. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.24 Tablet PC Hardware Tablet PC includes:Tablet PC includes: –CPU –Operating system –Storage capabilities –Input/output devices –Ports Digital ink technology:Digital ink technology: –Pressure sensitive screen –Digital pen Tablet PC includes:Tablet PC includes: –CPU –Operating system –Storage capabilities –Input/output devices –Ports Digital ink technology:Digital ink technology: –Pressure sensitive screen –Digital pen NEXT SLIDE

25. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.25 Tablet Software Windows XP Tablet PC is the operating systemWindows XP Tablet PC is the operating system Applications programs compatible with Windows XP are availableApplications programs compatible with Windows XP are available Windows XP Tablet PC is the operating systemWindows XP Tablet PC is the operating system Applications programs compatible with Windows XP are availableApplications programs compatible with Windows XP are available NEXT SLIDE

26. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.26 LaptopsLaptops Also known as notebooksAlso known as notebooks Computing power of a desktopComputing power of a desktop Weigh 6 poundsWeigh 6 pounds Also known as notebooksAlso known as notebooks Computing power of a desktopComputing power of a desktop Weigh 6 poundsWeigh 6 pounds NEXT SLIDE

27. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.27 Laptop Hardware DVD/CD-RW drivesDVD/CD-RW drives Hard drivesHard drives RAMRAM Hot-swappable bays:Hot-swappable bays: –Remove a drive and replace it with another type KeyboardKeyboard Built-in mouseBuilt-in mouse LCD displaysLCD displays DVD/CD-RW drivesDVD/CD-RW drives Hard drivesHard drives RAMRAM Hot-swappable bays:Hot-swappable bays: –Remove a drive and replace it with another type KeyboardKeyboard Built-in mouseBuilt-in mouse LCD displaysLCD displays NEXT SLIDE

28. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.28 Laptop Operating Systems Same operating systems as those found on desktopsSame operating systems as those found on desktops Power management:Power management: –Shuts down the hard drive –Turns off the monitor –Puts the computer into standby mode Same operating systems as those found on desktopsSame operating systems as those found on desktops Power management:Power management: –Shuts down the hard drive –Turns off the monitor –Puts the computer into standby mode NEXT SLIDE

29. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.29 A full set of ports:A full set of ports: –Parallel –Monitor –USB –Modem –Ethernet –Audio jacks –FireWire –PCI type I/II card slots A full set of ports:A full set of ports: –Parallel –Monitor –USB –Modem –Ethernet –Audio jacks –FireWire –PCI type I/II card slots Laptop Ports NEXT SLIDE

30. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.30 Chapter 8 Summary Questions What are the advantages and limitations of mobile computing?What are the advantages and limitations of mobile computing? What are the various mobile computing devices?What are the various mobile computing devices? What can pagers do?What can pagers do? How do cell phone components resemble a traditional computer and how do cell phones work?How do cell phone components resemble a traditional computer and how do cell phones work? What are the advantages and limitations of mobile computing?What are the advantages and limitations of mobile computing? What are the various mobile computing devices?What are the various mobile computing devices? What can pagers do?What can pagers do? How do cell phone components resemble a traditional computer and how do cell phones work?How do cell phone components resemble a traditional computer and how do cell phones work? NEXT SLIDE

31. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.31 Chapter 8 Summary Questions What can I carry in an MP3 player and how does it store data?What can I carry in an MP3 player and how does it store data? For what can I use a PDA and what internal components and features does it have?For what can I use a PDA and what internal components and features does it have? How can I synchronize my mobile devices with my desktop computer?How can I synchronize my mobile devices with my desktop computer? What can I carry in an MP3 player and how does it store data?What can I carry in an MP3 player and how does it store data? For what can I use a PDA and what internal components and features does it have?For what can I use a PDA and what internal components and features does it have? How can I synchronize my mobile devices with my desktop computer?How can I synchronize my mobile devices with my desktop computer? NEXT SLIDE

32. Technology In Action Chapter 8 © 2006 Prentice-Hall, Inc.32 Chapter 8 Summary Questions What is a tablet PC?What is a tablet PC? How powerful are laptops and how do they compare to desktop computers?How powerful are laptops and how do they compare to desktop computers? What is a tablet PC?What is a tablet PC? How powerful are laptops and how do they compare to desktop computers?How powerful are laptops and how do they compare to desktop computers? LAST SLIDE