Organic Light- Emitting Diodes (OLEDs) are thin-film LED displays that don't require a backlight to function. The material emits light when stimulated by an electrical current, which is known as electroluminescence. They consume less energy, produce brighter colours and are flexible - i.e. they can be bent and rolled up when they're not being used.
20. Multimedia.
GLOSSARY
Study the file format and write out all the abbreviations
Recognizing file formats
To identify the type of file, an extension is added to the filename when it is saved on disk.
Common text |W1 extensions:
| .pdf (portable
document format) •doc (MS Word document)
•rtf (rich text format)
.htm or .html (hypertext markup language for Web files)
%
Video refers to recording, editing and displaying moving images.
Common formats.
■avi (audio video interleave)
.mov (QuickTime movie)
.mpg (mpeg - moving picture experts group)
Jl Graphics include charts, ■fe photos, drawings.
— buttons, etc.
.gif (graphics interchange format)
•jpg (jPe9 * joint photographic experts group)
.tif (tagged image file)
[v Animations arc made /|J\ up of a series of ^ independent pictures
......put together in sequence
to look like moving pictures, Common formats: gif for animated gifs swf for Flash files
You can hear sound such as songs, movie soundtracks and speeches. Common audio formats-
.wav (Windows wave audio format) ; .ra (RealAudio file)
.mp3 (compressed music files)
Files compressed with 11 Wimip have a .zip extension
A popular format used to compress and distribute movies or DVDs or over the Net is DivX, a digital video codec (COmpress, DECom press).
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