what i have learnt from slide 36-45, page 83-89

Guidelines for evaluating the value of a web site:
+Affiliation: a reputable institution should support the Web site without bias in the information.
+Audience: is the website should be written at an appropriate level.
+ Authority: is the Web site should list the author and the appropriate credentials.
+Content: is the Web site should be well organized and the links should work
+Currency: the information on the web page should be current.
+Design: the pages at the web site should download quickly and be visually pleasing and easy to navigate.
+Objectivity: the Web site should contain little advertising and be free of preconception

WHAT IS MULTIMEDIA ?
Multimedia is application combining text with other media elements :
Graphics
Animation
Audio
Video
Virtual reality
Pug- in


GRAPHICS FORMATS USED ON THE WEB:
+BMP (bit map): desktop background, scanned images.
+GIF(graphics Interchange format): Simple diagrams, shapes, images with few colors.
+JPEG(Joint Photographic Experts Group): digital camera photos.
+PNG(portable network graphics): wb graphics
+TIFF( Tagged Image File Format): Photos used by printing industry

WHAT IS THUMBNAIL ?
Small version of a larger graphic - used to improve Web page display time

WHAT IS ANIMATION?
Animation is appearance of motion created by displaying a series of still images in sequence

WHAT IS AUDIO?
Audio is music speech, or any other sound, individual compressed sound files that you download from the web to your computer

AUDIO WEB FILE FORMATS
+AAC: advanced audio Coding
+AIFF: audio interchange file format
+ASF: Advanced Streaming, format
+MP3: Moving pictures experts group audio layer 3 (MPEG-3)
+WAV Window waveform
+WMA: windows media Audio part of Windows Media framework)
+RA: RealAudio sound file
+QT: quick time audio, video, or 3-D animation

WHAT IS STREAMING AUDIO?
The process of transferring audio in a continuous and even flow , Enables you to listen to music as it downloads to your computer

WHAT IS VIDEO?
Consists of full motion images, most with sound, that are played back at various speed
MPEG(Moving picture experts group) is popular video compression standard

WHAT IS VIRTUAL REALITY (VR) ?
Use of computer to simulate real or imagined enviroment , appears as a 3dimesional (3D) space : used for games and many practical application