Personal Digital Services

Personal Digital Services

1. uses of digital devices

   • leisure
     • reading with kindles
     • playing games such as Xbox
     • downloading music
     • digital photo frames
   • travel
     • Sat Nav and GPS
     • track the location of cars and vans
     • geotag images

2. using digital devices

   • audience and purpose
     • a teenager might want internet access for accessing social media sites
     • a business person might want a qwerty keyboard so they van easily send emails
     • an older person might want a large screen
   • wants and needs
     • want - a big widescreen tv
     • need - something that can be easily carried

3. common features

   • processor
     • in all digital devices, it controls all the functions of the device. There are specialist microprocessors for different devices
   • Internal memory
     • different devices hold different amounts of internal memory which is measured in bytes
   • Flash memory
     • doesn't lose data
     • cannot be easily damaged
     • removable and can transfer data between devices
     • peripheral device

4. Input devices

   • keyboard
   • game controller
   • webcam
   • mouse
   • touch screen

5. output devices

   • speakers
   • docking station
   • headphones
   • printer
   • monitor

6. Bluetooth

   • uses radio waves
   • devices can connect to peripherals such as printers or speakers using bluetooth
   • one device to one device

7. Wifi

   • one device to many
   • long distance range unlike bluetooth

8. Synchronising

   • when two devices, such as a media player and computer, are connected they can automatically exchange data
   • cloud synchronisation
     • allows people to store their data on a remote server
     • when you download something to the cloud off one device, you can then access that same data on all your devices

9. multifunctional mobile phones

   • GPS
   • internet browsing
   • entertainment
   • data storage
   • take pictures and videos

10. how to secure mobile phone

    • hide phone - over 50% of phones are stolen in cars when they are left in plain sight
    • set a password
    • lock the sim card

11. responsible phone use

    • don't use your phone when driving
    • recycle old phone
    • don't cyber bully
    • don't overuse

12. when buying a computer, consider the features

    • processor speed (quick)
    • RAM - lots of it
    • storage capacity
    • number of USB ports
    • battery life

13. Ergonomics - the science of designing equipment so that it is comfortable and user friendly

14. Media file formats

    • audio: MP3 and WMA
    • still images: JPEG, GIF & PNG
    • video: MPEG-4 and WMV

15. digital rights management (DRM)

    • prevents you from making copies of audio and video files you have downloaded

16. feature of games consoles

    • high resolution
    • CD DVD and Blu-ray optical drives
    • connectivity
    • multi-player online games

17. Gaming health risks

    • overuse injuries
    • obesity
    • muscle and joint problems
    • Eye strain

18. Technology in Education

    • laptops allow access to online learning resources
    • internet for better research
    • apps and games make learning enjoyable
    • VLEs allow access to learning resources and let students hand in homework at any time
    • Online registrations improve efficiency

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