1. Theme 2: Working smarter Topic 12: Explore portable devices and learn more about connections Chapter 1.4. Page 61 – 75 Mobile technology

2. Portable devices

3. Laptops Computer with miniaturised parts More expensive than normal computers Difficult and expensive to upgrade Discuss: What are the advantages of using a laptop?

4. Laptop – the Tablet

5. Personal Digital Assistant (PDA) (Palmtop) Small device that acts like an electronic diary. Also contains word processing and spreadsheet programs (less functions than standard versions) Name 3 advantages of a PDA compared to a laptop. Name 4 tasks for which a PDA can be used.

6. Activity 1 Page 63 Explore Compare a laptop and a PDA

7. Portable media devices Media files = photos, music, video When stored as compression files, they can be played by various devices. Types of compression files: –MP3 (most popular format) –ama –aac

8. Information on MP3-players Can store from 200 to 12 000 songs (CD stores 20 – 30 songs) iPod, manufactured by Apple, is very popular Certain flash memory devices can also play MP3’s

9. Video devices Video files are larger than sound files – thus 20 GB hard drives in these devices. Have small LCD-screens. Can be connected to a TV. Remember to use good batteries in portable devices!

10. Activity 2 Page 65 Explore Explore portable devices

11. Smartphones A cellphone with additional facilities –Internet; e-mail; extra programs; MP3-player; PIM-programs –Camera/video recorder –Modem for a laptop –Connect without cables

12. Activity 3 Page 66 Explore Explore smartphones

13. 3G and 4G Cellular communications technology – your cellphone can be used to –Watch TV –Do video conferencing –Connect to the Internet –Receive E-mail You pay only for the amount data received. 4G – even faster than 3G

14. Activity 4 Page 67 Check if you understand Choose the most suitable device

15. Connecting devices Media files (music, videos, movies, photos, books, magazines) can become too large for portable device. Must be able to transfer data to computer. –Cables (USB or FireWire) –Wireless (Bluetooth or Infrared)

16. Discuss What advantages can there be if you can connect your cellphone to your computer?

17. USB Symbol for USB- port Mini-USB (Usually used for cameras, MP3-players, etc.) Full size USB (Usually used for printers, scanners, portable hard drives, etc.) The end that connects to the computer

18. USB hub Plugs into 1 USB port, and gives access to 4, 6 or 8 USB ports. Some must be connected to a power supply.

19. FireWire Also high speed data transfer. Certain video cameras and external hard drives.

20. Wireless connectivity Bluetooth Short range radio connection between devices –Does not have to be in line of sight of the other device –Can transmit through non-metal objects like walls –Most effective within 10 meter Cellphone and hands-free headset Cellphone, keyboard, GPS, mouse connected to computer Two cellphones – exchange photos without having to pay.

21. Wireless connectivity Infrared Very short distances between two devices in line of sight. Cellphone connected to computer and other cellphones. Wireless mouse and keyboard.

22. Discuss What are the advantages and the disadvantages of both Bluetooth and Infrared connections?

23. Activity 5 Page 71 Check if you understand Theory questions

24. Implications and issues of portable computer technology What are the advantages of making use of portable computer technology?

25. Implications and issues of portable computer technology How does the availability of portable technology influence the following aspects of our lives? Health Security Etiquette Economy

26. Activity 6 Page 73 Explore Cellphone survey

27. Activity 7 Page 74 Apply TechnologyIssues

28. Activity 8 Page 74 Checklist  I can....