USES OF DIGITAL DEVICES

USES OF DIGITAL DEVICES

1. Digital devices allow people to communicate at any time, any place:

   • text messages (SMS)
   • social networking sites
   • instant messaging
   • media messages (MMS)
   • voice calls
   • video calls
   • emails

2. Can be used for leisure

   • watching high-def films on Blu-ray players
     • blu-ray: a disk that allows recording, rewriting, playback of high-definition video (HD) and storing large amounts of data. Has more than 5 times the tsorage capacity of traditional DVD's.
     • high definition (HD): the picture on a TV screen made of lines of pixels. Normal TV: 625 lines, refreshed 25 times per second. HD: 720 or 1080 lines= clearer, sharper image.
   • watching more channels on digital TV
   • streaming films
     • stream: content is sent in a compressed form over the Internet and displayed by the viewer in real time. No downloading, only continuous stream of data playing as it arrives on a special player.
   • listening to music and watching films with personal media players
   • playing games with consoles or computers
     • games console: interactive games computer
   • reading with ebook readers
   • keeping in touch through social networking sites
     • social networking site: online community where people can communicate and share information
   • taking photos and videos with digital cameras and camcorders
   • displaying phtos with digital photo frames

3. can be used for travel:

   • find routes using sat navs and GPS (global positioning system)
     • sat nav: device, usually used in car, gives direction based on information recieved from a series of satellites.
     • GPS: navigational system used in many devices which gives current location.
   • tracking locations of cars and vans
   • geotag images
     • geotag: to attach exact geographical coordinates of longitude and latitude to a digital image, giving the location of where it was taken.

4. WORKED EXAMPLE Explain how having access to the Internet can enhance a person's work life

   • -Being able to use specialist software, such as spreadsheet software, makes them more productive. - They will be able to collaborate with work colleagues more easily. - Thanks to teleconferencing and video conferencing they have to travel to fewer meetings, saving them time.
   • Target E-C