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
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
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.
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.