BT0077, Multimedia Systems

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PROGRAM	BSc IT
SEMESTER	THIRD
SUBJECT CODE & NAME	BT0077, Multimedia Systems
CREDIT	2
BK ID	B1004
MAX. MARKS	30

Q. 1. Define digital multimedia and explain digital multimediachallenges.

Answer:Multimedia, in personal computing, software and applications that combine text, high-quality sound, two- and three-dimensional graphics, animation, photo images, and full-motion video. In order to work with multimedia, a personal computer typically requires a powerful microprocessor, large memory and storage capabilities, a high-quality monitor and a video accelerator, external loudspeakers or headphones and a sound card (or sound board) for improved sound generation, and a CD-ROM (see compact disc ) or DVD-ROM (see digital versatile disc )

Q.2. Explain the following color models

1. HSB model

Answer: Based on the human perception of color, the HSB model describes three fundamental characteristics of color:

·                 Hue is the color reflected from or transmitted through an object. It is measured as a location on the standard color wheel, expressed as a degree between 0 and 360. In common use, hue is identified by the name of the

·                  

·                  

2. RGB model

Answer : RGB and its subset CMY form the most basic and well-known color model. This model bears closest

3. CMYK model

Answer : Cyan, magenta, and yellow correspond roughly to the primary colors in art production: red, blue, and yellow. In

4. L*a*b model

Answer : The L*a*b color model is based on the model proposed by the Commission Internationaled'Eclairage (

Q. 3. Describe the following file formats:

1. Photoshop Format

2. Photoshop EPS

3. EPS TIFF or EPS PICT Preview

4. PCX

Answer:Photoshop Format:Adobe Photoshop is a raster graphics editor developed and published by Adobe Systems for Windows and OS X.  Photoshop was created in 1988 by Thomas and John Knoll. Since then, it has become the de facto industry standard in raster graphics editing, such that the terms "photoshopping" and "photoshop contest" were born. It can edit and compose raster images in multiple layers and supports masks, alpha compositing and several

Photoshop EPS: The EPS file type is primarily associated with 'Encapsulated PostScript'. There are two distinct types of .EPs files, one of which is a vector based graphics file and can be opened and easily edited for type, color, etc. in Adobe Illustrator or PC vector based programs like Corel Draw. They can be CMYK color, or flat pantone color based. These files could be "placed' or "imported" into Pagemaker (or Word, Quark, etc.), but not opened by it. They can be almost infinitely scaled in size without degrading the output because they

EPS TIFF or EPS PICT Preview:Encapsulated PostScript (EPS) language file format can contain both vector and bitmap graphics and is supported by virtually all graphics, illustration, and page-layout programs. EPS format is used to transfer PostScript artwork between applications. When you open an EPS file containing vector graphics,

PCX:PCX, standing for Personal Computer Exchange, is an image file format developed by the now-defunct ZSoft Corporation of Marietta, Georgia. It was the native file format for PC Paintbrush and became one of the first widely accepted DOS imaging standards, although it has since been succeeded by more sophisticated image

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