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© 2009 Prentice-Hall, Inc.1 Pengantar Teknologi Informasi TA. 2011/2012 Materi 12: Teknologi Komputasi Mobile : Menjaga Data pada Genggaman Tangan
© 2009 Prentice-Hall, Inc.2 Topik-topik bahasan Keuntungan dan batasan2 komputasi Mobile Perangkat2 Komputasi Mobile :Perangkat2 Komputasi Mobile : –Pager –Telepon seluler –PDA –Media player portabel Sinkronisasi perangkat mobile dgn komputerSinkronisasi perangkat mobile dgn komputer Tablet PCTablet PC NotebookNotebook
© 2009 Prentice-Hall, Inc.3 Komputasi Mobile : Kebaikannya bagi anda? Keuntungan KenyamananKenyamanan Mendongkrak produktivitasMendongkrak produktivitas Komunikasi dgn yg lainKomunikasi dgn yg lain Akses ke informasi elektronikAkses ke informasi elektronik Batasan2 Mahal Usia batere Layar display kecil Kecepatan Internet kecil
© 2009 Prentice-Hall, Inc.4 Perangkat2 Mobile Computing PagerPager Telepon selulerTelepon seluler Media player portabelMedia player portabel Personal digital assistants (PDA)Personal digital assistants (PDA) SmartphoneSmartphone Tablet PCTablet PC Komputer NotebookKomputer Notebook
© 2009 Prentice-Hall, Inc.5 Perbandingan Perangkat Mobile
© 2009 Prentice-Hall, Inc.6 Telepon Sellular Perangkat2 komunikasi dan penyimpan informasi penuh fiturPerangkat2 komunikasi dan penyimpan informasi penuh fitur Fitur2 meliputi :Fitur2 meliputi : –Auto-redial –Call timers –Voic –Voice-activated dialing –Internet access –Text messaging –Personal information management
© 2009 Prentice-Hall, Inc.7 Perangkat keras Cell Phone Mikroprosesor (CPU):Mikroprosesor (CPU): –Mengkoordinasi data diantara komponen –Menjalankan sistem operasi Memory:Memory: –ROM menyimpan OS –Internal memory chips Microprocessor Memory
© 2009 Prentice-Hall, Inc.8 Perangkat keras Cell Phone Perangkat Input :Perangkat Input : –Microphone –Keypad –Graffiti pad –Touch-screen –Digital camera Perangkat Output :Perangkat Output : –Speaker –LCD display
© 2009 Prentice-Hall, Inc.9 Cell Phone Internet Connectivity Wireless Internet service providerWireless Internet service provider Internet connectivity plans: usually known as data plans Speeds of 200–300 KbpsSpeeds of 200–300 Kbps Micro-browser softwareMicro-browser software Difficult to display Web pages on small screenDifficult to display Web pages on small screen
© 2009 Prentice-Hall, Inc.10 Cell Phone Internet Connectivity Checking is a popular featureChecking is a popular feature Special “push” technology delivers to a cell phoneSpecial “push” technology delivers to a cell phone Viruses can target cell phonesViruses can target cell phones Antivirus software for mobile devices is availableAntivirus software for mobile devices is available
© 2009 Prentice-Hall, Inc.11 Portable Media Players MP3MP3 –Format for storing music Portable media player (PMP)Portable media player (PMP) –A small device that stores and plays music Number of songs storedNumber of songs stored –Storage available –Sampling rate
© 2009 Prentice-Hall, Inc.12 Popular PMPs
© 2009 Prentice-Hall, Inc.13 PMP Flash Memory Used to add additional memory to portable media playersUsed to add additional memory to portable media players Flash memory: nonvolatile memoryFlash memory: nonvolatile memory –64 MB to 8 GB Built-in hard drivesBuilt-in hard drives –Up to 80 GB Software enables transfer of audio and video filesSoftware enables transfer of audio and video files
© 2009 Prentice-Hall, Inc.14 PMP Ethical Issues Is it illegal to download MP3 files?Is it illegal to download MP3 files? –MP3.com: Song files are on a public serverSong files are on a public server Permission is given by the artist or recording company to place the files on the serverPermission 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 siteA 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 infringementSued for copyright infringement
© 2009 Prentice-Hall, Inc.15 Podcasting Distributing non-music MP3 files over the InternetDistributing non-music MP3 files over the Internet Podcasts can be information, books on tape, audio plays, etc.Podcasts can be information, books on tape, audio plays, etc. People can listen when they wishPeople can listen when they wish iPod synchronization transfers new content.iPod synchronization transfers new content.
© 2009 Prentice-Hall, Inc.16 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
© 2009 Prentice-Hall, Inc.17 PDA Input and Output Devices Input devicesInput devices –Touch-screen with stylus –Keyboards Graffiti text systemGraffiti text system Output devicesOutput devices –LCD displays
© 2009 Prentice-Hall, Inc.18 PDA Processors Popular processorsPopular processors –Samsung SC –Texas Instruments OMAP –Intel XScale Comparing processorsComparing processors –Speed –Performance BenchmarkingBenchmarking –Power consumption
© 2009 Prentice-Hall, Inc.19 PDA Operating Systems Two main OS competitorsTwo main OS competitors –Palm OS –Windows Mobile Windows Mobile by far most popularWindows Mobile by far most popular Features include:Features include: –Calendar –To-do list –Contact information –Viewing videos –Playing MP3 files Extra application software is availableExtra application software is available
© 2009 Prentice-Hall, Inc.20 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
© 2009 Prentice-Hall, Inc.21 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 –Sync cables –Windows Vista Sync Center Wireless transfersWireless transfers –IrDA –Bluetooth
© 2009 Prentice-Hall, Inc.22 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)
© 2009 Prentice-Hall, Inc.23 PDA Software and Accessories Standard softwareStandard software –To-do list –Contacts manager –Calendar Additional softwareAdditional software –Microsoft Word, Excel, Outlook and PowerPoint –Games –Tools –References
© 2009 Prentice-Hall, Inc.24 PDA or Cell Phone Cell phones with PDA capabilityCell phones with PDA capability PDAs with cell phone capabilityPDAs with cell phone capability SmartphonesSmartphones
© 2009 Prentice-Hall, Inc.25 Other Devices to Consider Pepper Pad 3Pepper Pad 3 –Designed for surfing the Web –Can serve as a remote for home entertainment system Sony Portable Reader SystemSony Portable Reader System –Holds 160 e-books
© 2009 Prentice-Hall, Inc.26 Tablet PCs Portable computers with handwriting recognition and speech recognitionPortable computers with handwriting recognition and speech recognition Two monitor modesTwo monitor modes –Notebook –Tablet
© 2009 Prentice-Hall, Inc.27 Tablet PC Hardware Tablet PC hardware includes:Tablet PC hardware includes: –CPU –Storage capabilities –Input/output devices –Ports Digital ink technology:Digital ink technology: –Pressure-sensitive screen –Digital pen
© 2009 Prentice-Hall, Inc.28 Tablet Software Windows Vista is the operating systemWindows Vista is the operating system –Digital ink –Handwriting recognition Applications programs compatible with Windows Vista are availableApplications programs compatible with Windows Vista are available
© 2009 Prentice-Hall, Inc.29 Notebooks Also called laptopsAlso called laptops Computing power of a desktopComputing power of a desktop Weigh more than tabletsWeigh more than tablets
© 2009 Prentice-Hall, Inc.30 Notebook 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
© 2009 Prentice-Hall, Inc.31 CPUs for Notebooks Slightly slower than desktop CPUsSlightly slower than desktop CPUs Dual-core CPUsDual-core CPUs –Difference in speed is less noticeable Windows VistaWindows Vista –Allows for RAM to be used more efficiently
© 2009 Prentice-Hall, Inc.32 Notebook Operating Systems Same operating systems as those found on desktopsSame operating systems as those found on desktops Power managementPower management –Shuts down the hard drive –Turns off the monitor –Puts the computer into standby mode
© 2009 Prentice-Hall, Inc.33 Notebook Ports A full set of ports:A full set of ports: –Parallel –Monitor –USB –Modem –Ethernet –Audio –FireWire –PCI type I/II card slots –DVI –IrDA
© 2009 Prentice-Hall, Inc.34 Windows Mobility Center Gives details onGives details on –Display brightness –Battery status –Power management plant –Wireless network connections –External displays –Presentation systems (projectors) connected
© 2009 Prentice-Hall, Inc.35 Wireless Network Connections for Notebooks Most notebooks have integrated support for wireless connectivityMost notebooks have integrated support for wireless connectivity g WiFi wireless standard is most common802.11g WiFi wireless standard is most common n is gaining in popularity802.11n is gaining in popularity Bluetooth chipsBluetooth chips
© 2009 Prentice-Hall, Inc.36 Notebook Batteries and Accessories Batteries lighter than previous generationsBatteries lighter than previous generations No “memory effect”No “memory effect” A battery rated at 5 A-hrs can provide 5 amps of current for an hourA battery rated at 5 A-hrs can provide 5 amps of current for an hour AC/DC or DC/DC converterAC/DC or DC/DC converter Ultraportable (or subnotebook)Ultraportable (or subnotebook)
© 2009 Prentice-Hall, Inc.37 Notebook or Desktop? DesktopDesktop –Better value in terms of computing power for your money –More expansion possibilities –More reliable –Lasts longer NotebookNotebook –Portable
Technology In Action Chapter 8 1 Mobile Computing Advantages and limitations of mobile computing Mobile computing devices: –Pagers –Cell phones –PDAs –MP3.
1 Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall.
1 Technology in Action Chapter 8 Mobile Computing: Keeping Your Data on Hand Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall.
NEXT SLIDE © 2006 Prentice-Hall, Inc. 1 Technology In Action.
© 2009 Prentice-Hall, Inc.1. 2 Technology in Action Chapter 8 Mobile Computing: Keeping Your Data on Hand.
Mobile Computing. References 1- Mobile Computing: Technology, Applications and Service Creation 1- Mobile Computing: Technology, Applications and Service.
© 2007 Prentice-Hall, Inc.1 Technology In Action.
1 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall.
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