Personal Digital Services

uses of digital devices
1. leisure
  1. reading with kindles
  2. playing games such as Xbox
  3. downloading music
  4. digital photo frames
2. travel
  1. Sat Nav and GPS
  2. track the location of cars and vans
  3. geotag images
using digital devices
1. audience and purpose
  1. a teenager might want internet access for accessing social media sites
  2. a business person might want a qwerty keyboard so they van easily send emails
  3. an older person might want a large screen
2. wants and needs
  1. want - a big widescreen tv
  2. need - something that can be easily carried
common features
1. processor
  1. in all digital devices, it controls all the functions of the device. There are specialist microprocessors for different devices
2. Internal memory
  1. different devices hold different amounts of internal memory which is measured in bytes
3. Flash memory
  1. doesn't lose data
  2. cannot be easily damaged
  3. removable and can transfer data between devices
  4. peripheral device
Input devices
1. keyboard
2. game controller
3. webcam
4. mouse
5. touch screen
output devices
1. speakers
2. docking station
3. headphones
4. printer
5. monitor
Bluetooth
1. uses radio waves
2. devices can connect to peripherals such as printers or speakers using bluetooth
3. one device to one device
Wifi
1. one device to many
2. long distance range unlike bluetooth
Synchronising
1. when two devices, such as a media player and computer, are connected they can automatically exchange data
2. cloud synchronisation
  1. allows people to store their data on a remote server
  2. when you download something to the cloud off one device, you can then access that same data on all your devices
multifunctional mobile phones
1. GPS
2. internet browsing
3. entertainment
4. data storage
5. take pictures and videos
how to secure mobile phone
1. hide phone - over 50% of phones are stolen in cars when they are left in plain sight
2. set a password
3. lock the sim card
responsible phone use
1. don't use your phone when driving
2. recycle old phone
3. don't cyber bully
4. don't overuse
when buying a computer, consider the features
1. processor speed (quick)
2. RAM - lots of it
3. storage capacity
4. number of USB ports
5. battery life
Ergonomics - the science of designing equipment so that it is comfortable and user friendly
Media file formats
1. audio: MP3 and WMA
2. still images: JPEG, GIF & PNG
3. video: MPEG-4 and WMV
digital rights management (DRM)
1. prevents you from making copies of audio and video files you have downloaded
feature of games consoles
1. high resolution
2. CD DVD and Blu-ray optical drives
3. connectivity
4. multi-player online games
Gaming health risks
1. overuse injuries
2. obesity
3. muscle and joint problems
4. Eye strain
Technology in Education
1. laptops allow access to online learning resources
2. internet for better research
3. apps and games make learning enjoyable
4. VLEs allow access to learning resources and let students hand in homework at any time
5. Online registrations improve efficiency

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Personal Digital Services

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	Created by Ellie Lapage about 8 years ago