Gr 11 2.3 – THE INTERNET AND THE WWW Flashcards
VOD&AVOD
Video on Demand (VOD) and Audio and Video on Demand
(AVOD) are systems which allow users to watch video
content and listen to audio content on demand.
Downloading
Transferring and saving an audio or video file from the
Internet onto a computer, smartphone or tablet. You can
then play the file at a later stage, or more than once,
without being connected to the Internet.
Fixed location internet access
High speed data transmission to homes and businesses using
cabled technologies such as ADSL. This is often referred to as
a fixed broadband access.
Internet
A worldwide computer network, consisting of devices,
computers and networks connected to one another.
IPTV
INTERNET PROTOCOL TELEVISION (IPTV)
The delivery of television services over the Internet instead
of through traditional satellite systems such as South Africa’s
DSTV.
JPEG
The most common file format used for digital photos or
graphics, also widely used for graphics on websites. (JPEG
files are also known as JPG files.) [Joint Photographic Experts Group]
Live broadcasts
The broadcasting (Streaming) of different types of media in
real-time without any significant delay, allowing users to
witness events as they are happening.
Lossless compression
Compressing data without losing any portion of the data. It
allows the exact original data to be reconstructed.
Lossy compression
Compressing data by sacrificing some insignificant or
virtually indetectable portion of the data.
Mobile internet access
The ability to connect to the Internet using wireless
networks such as the cellular phone network. This is often
referred to as mobile broadband Internet Access.
MP3
(MPEG-1 AUDIO LAYER-3)
The most common digital music file format, combing
efficient compression with excellent sound quality. The
current standard for storing digital music.
MPEG
(MOVING PICTURE EXPERTS GROUP)
A reference to the digital compression standards and file
formats developed by the group.
MPEG 2
A standard used for the compression of video files and their
associated audio tracks, and widely used to broadcast digital
television.
MP4
MPEG 4 The latest and still developing standard used for the
compression of audio and visual digital data through the use
of lossy compression.
Streaming
The immediate and real-time delivery of media content to a
receiving device, starting from the time at which the media
file is opened. The file is not saved to your device.
WEB 1.0
Earliest stage in the evolution of the WWW, characterised by
mostly static content and a ‘read-only’ role on the part of
the consumer public.
WEB 2.0
The next, and current stage in the evolution of the WWW,
characterised by more dynamic content and an interactive
‘read-write’ role on the part of the consumer public. Content
consumers can become content creators as well, for
example, on social networking sites.
WEB 3.0
The future of the WWW, in which exact directions are still
uncertain, but which will certainly contain elements of
artificial intelligence and a greater emphasis on personalised
content; in other words less ‘reaction’ and more customised
‘prediction’ in favour of users. Web 3.0 will also be
accompanied by enhancements in web-enabled devices,
elimination of incompatibility issues, extensions in mobile
capacity and increases in bandwidth and speed.
Webinars
Online seminars, which users in remote locations can
participate in, using online conference technologies. These
occur in real-time and allow ‘delegates’ access to interactive
conferences and workshops.
WWW
(WORLD WIDE WEB)
A service on the Internet. The WWW consists of a vast global
collection of interlinked, Interactive multimedia documents.
