Copyright 2010 Pearson Education Inc Publishing as Prentice
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 2
When you think of mobile computing devices, what comes to mind. Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 3
Mobile Computing: Is It Right for You? Advantages • Convenience • Boost productivity • Communicate with others anywhere • Access to electronic information Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall Limitations • • Expensive Short battery life Small screen display Slow Internet speed 4
Role play • Take out your cell phones • Explain cell phone to a person who lived in 1700’s • Explain cell phone to a person who lives in 2300’s Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 5
Mobile Computing Devices • • Cell phones PMP PDA GPS Smartphones Subnotebooks Notebooks Tablet PCs Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 6
Comparing Mobile Devices Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 7
All mobile computing devices have : • Hardware –Input / output –Processing –Storage • Software –System (Operating System) –Applications • Data Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 8
Name some cell phone features? Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 9
Cell Phone Hardware • Microprocessor (CPU) – Coordinates sending data between components – Runs the operating system Memory • Memory – ROM stores the operating system – Internal memory chips Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall Microprocessor 10
Cell phone towers • http: //www. youtube. com/watch? v=u. RQYa n_-CTQ&NR=1 Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 11
Cell Phone Hardware • Input devices – Microphone – Keypad – Graffiti pad – Touch screen – Digital camera • Output devices – Speaker – LCD display Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 12
How Cell Phones Work • Analog-to-digital converter chip converts voice sound waves into digital signals. • Digital signal processor compresses the signal so it can be sent to another phone. • Digital data is transmitted as radio waves. • Digital signal processor decompresses incoming calls. Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 13
Cell Phone Text Messaging Popular Text Messaging Abbreviations • Text messaging – Short Message Service (SMS) • Sends messages of up to 160 characters • Free SMS information – Multimedia Message Service (MMS) • Sends text, sound, images, and video clips Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 14
Portable Media Players • MP 3 – Format for storing music • Portable media player (PMP) – Small device that stores and plays music Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 15
Popular PMPs Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 16
PMP Flash Memory • Used to additional memory to portable media players • Nonvolatile • Noiseless • Uses very little power • Software enables transfer of audio and video files Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 17
PMP Ethical Issues • Is it illegal to download MP 3 files? – MP 3. com • Song files are on a public 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. – The original Napster • A file exchange site • Song files were borrowed from users’ computers (peer-to-peer [P 2 P] sharing). • Sued for copyright infringement Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 18
PDAs/Smartphones • Small devices that store digital information • PDA/smartphone hardware includes – CPU – Operating system – Storage capabilities – Input/output devices – Ports Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 19
PDA/Smartphone Input and Output Devices • Input devices – Touch screen with stylus – Keyboards • Graffiti text system • Output devices – LCD displays Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 20
PDA/Smartphone File Transfer and Synchronization • PDA/smartphone files can be transferred to a desktop using – Flash card readers – Cradles • Synchronizing updates files on both the PDA/smartphone and desktop – Sync cables – Windows Vista Sync Center • Wireless transfers – Ir. DA – Bluetooth Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 21
PDA/Smartphone Software and Accessories • Standard software – To-do list – Contacts manager – Calendar • Additional software – Microsoft Word, Excel, Outlook, and Power. Point – Games – Tools – References Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 22
PDA/Smartphone or Cell Phone • Cell phones with PDA/smartphone capability • PDAs with cell phone capability • Smartphones Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 23
Other Devices to Consider • Sony Portable Reader System – Holds 160 e-books • Nokia n 800 Internet Tablet – Uses Skype for voice communication Sony Portable Reader • Subnotebooks – Lightweight, powerful computing abilities Nokia n 800 Internet tablet Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 24
Notebooks • Also called laptops • Computing power of a desktop • Weigh more than tablet PCs Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 25
Notebook Hardware • • Dual-core CPUs Blu-ray/DVD/CD-RW drives Hard drives RAM Keyboard Built-in mouse LCD displays Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 26
Tablet PCs • Lightweight, portable computers – Can be used clipboard style – Integrated keyboard – Most weigh just over 3 pounds • Digital ink technology – Pressure-sensitive screen – Digital pen Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 27
Notebook Ports • A full set of ports: – – – – – Monitor USB Modem Ethernet Audio Fire. Wire PCI type I/II card slots DVI Ir. DA Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 28
Define the following… • • Web enabled Stylus USB port ROM Analog to digital converter chip Capacity of 80 GB i. Pod P 2 P sharing Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall • • • Flash memory PMP GPS SMS Smartphone Docking station Bluetooth Synchronizing Footprint 29
Test 1 • • One week to take (9/30 to 10/7) Take in testing center Need student id 40 MC questions Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall 30
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