2.3- The Internet and the WWW

Question 1

AVOD

Answer 1

Audio and Video On Demand: Video On Demand and AVOD are systems which allow users to watch video content and listen to audio content on demand

Question 2

Downloading

Answer 2

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 connecting to the internet

Question 3

Fixed location Internet access

Answer 3

High speed data transmission to homes and businesses using cabled technologies such as ADSL. Often referred to as a fixed broadband Internet access

Question 4

Internet

Answer 4

A worldwide computer network, consisting of devices, computers and networks connected to one another

Question 5

IPTV

Answer 5

Internet Protocol Television: The delivery of TV services over the Internet instead of through traditional satellite systems (eg SA’s DSTV)

Question 6

JPEG

Answer 6

Most common file format used for digital photos or graphics on websites (aka JPG)
(Joint photographic experts group dev’d JPG format)

Question 7

Live broadcasts

Answer 7

Broadcasting (steaming) of different types of media in real-time without any significant delay, allowing users to witness events as they happen

Question 8

Lossless compression

Answer 8

Compressing data without losing any portion of the data. It allows the exact originals to be reconstructed

Question 9

Lossy compression

Answer 9

Compressing data by sacrificing some insignificant or virtually undetectable portion of the data

Question 10

Mobile internet access

Answer 10

Ability to connect to the internet using wireless networks such as cellphone network. Often referred to as mobile broadband Internet access

Question 11

MP3

Answer 11

MPEG-1 Audio Layer-3: most common digital music file format, combining efficient compression with excellent sound quality. The current standard for storing digital music

Question 12

MPEG

Answer 12

Moving Picture Experts Group: a reference to the digital compression standards and file formats developed by the group

Question 13

MPEG-2

Answer 13

A standard used for the compression of video files and their associated audio tracks, and widely used to broadcast digital TV

Question 14

MPEG-4

Answer 14

Latest and still developing standard used for the compression of audio and visual digital data through the use of lossy compression

Question 15

Streaming

Answer 15

The immediate and real-time delivery of media content to a receiving device, starting from the time at which the media file is opened. File is not saved to the device

Question 16

Web 1.0

Answer 16

Earliest stage in the evolution of the WWW, characterised mostly by static content and a ‘read-only’ role on the part of the consumer public

Question 17

Web 2.0

Answer 17

The next and current stage in the evolution of the WWW, characterised by more dynamic content and an interactive ‘read-write’ role in the part of the consumer public. Content consumers can become content creators, eg social networking sites

Question 18

Web 3.0

Answer 18

Future of the WWW. Will contain elements of AI and greater emphasis on personalised content. Enhancements in web-enabled devices, no incompatibility issues, extensions in mobile capacity, more bandwidth and speed

Question 19

Webinars

Answer 19

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

Question 20

WWW

Answer 20

World Wide Web: a service on the Internet. WWW consists of a vast global connection of interlinked, interactive multimedia docs