(i) Relatively small amount of data is required to represent the image and thereby only less memory is needed to store.
(ii) Compression techniques are used to reduce the file size of images that is useful for storing large number of images and speeding transmission for networked application.

Drawing elements or objects such as lines, rectangles, circles and so on to create an images are based on Vector images.

The team comprises of members playing various roles and responsibilities like Script writer, Production manager, Editor, Graphics Architect, Multimedia Architect and Web Master.

It is any sort of production that user combination of text, audio and graphics to tell about something.
Eg. Educational, Sale of product etc.

Animation is the process of displaying still images with continuous movement.
Features:
(i) Screen object is a vector image.
(ii) Animation tools are very powerful and effective.
(iii) Frame rate: 16 frames/sec for smoothness impression, 25 frames/sec for natural looking.

(i) Multimedia is available in many public places like trade shows, libraries, railway stations, museums, malls, airports, banks, hotels and exhibitions in the form of kiosks.
(ii) The information presented in kiosk are enriched with animation, video, still pictures, graphics, diagrams, maps, audio and text. Banks uses kiosks in the form of ATM machines.

(i) Medical Students practices surgery methods via simulation prior to actual surgery.
(ii) Tiny digital cameras are inserted in human body and it displays the inner scene of the body. Like wise, the medical practioners were able to see the inner part without dissecting it.

Various file formats used in multimedia are
(i) Text formats
(ii) Image formats
(iii) Digital Audio file formats and
(iv) Digital Video file formats.
(i) Text formats : Rich Text Formats and Plain Text Format are used in Text formats.
(ii) Image formats : TIFF, BMP, DIB, GIF, JPEG, TGA, PNG are image formats.
(iii) Digital Audio file formats : WAV, MP3, OGG, AIFF, WMA and RA are Digital Audio file formats.
(iv) Digital Video file formats : AVI, MPEG are digital video file formats.

Team comprises of members playing various roles and responsibilities like Script Writer. Production Manager, Content Specialist, Editor, Graphics Architect, Multimedia Architect, Audio and Video specialist, Computer Programmer and Web Master.

Animation is the process of displaying still images so quickly so that they give the impression of continuous movement.
Features:
(i) Animation tools are very powerful and effective.
(ii) Frame rate of 16 frames/sec gives the impression of smoothness.
(iii) For natural looking, frames rate should be atleast 25 frames/sec.
There are two basic techniques of animations:
(a) Path animation
(b) Frame animation.
(a) Path Animation:
Path animation involves moving an object on a screen that has a constant background.
(b) Frame Animation:
In frame animations, multiple objects are allowed to travel simultaneously and the background or the objects also changes.

Multimedia technologyis adopted by the libraries in various functions like multimedia kiosks, user orientation programs etc. Following is the brief account of multimedia technology applications in libraries.
1. Multimedia Kiosk
(i) Kiosk is a free-standing furnished equipped multimedia computer that allows users to retrieve information via a touch screen. It is commonly used in airports and other public locations to provide directions and few mandatory information's.
(ii) In an library, Kiosk is usually located nearthe entrance of the library, used for displaying announcements, reading lists, comments and suggestions from library users and other information's about operations and programs of the library.
2. Webcasting and Video Conferencing
(i) The live telecast of real time programs through internet is known as Webcasting.
(ii) Video conferencing isthe process of conducting conference between more than two participants at different sites by using computer networks to transmit audio and video data.
3. User Orientation Program
(i) The role of multimedia plays anvital role in training the librarians in schools, colleges and universities due to its interactivity. Hence, it is used in depth subject training to their faculties .
4. In-house Production of Multimedia Resources and E-publishing
(i) Many libraries produce multimedia resources in-house, to serve the parent organization.Introduction of CD/DVD and their writershas solved few of the problem of libraries in storing or achieving the materials.
(ii) Multimedia tools along with CD-writers is made possible to publish information from dlfferent sources in a most easy to use and acceptable form tolibrary users.
5. Digital Multimedia Libraries
(i) Information's are available indigital formats that include digital books, scann ed images, graphics and digitized audlo-visuat clips etc
(ii) Initially digital library projects were based only on textual data, later it was on all other media elements like images, audio and video recordings were also integrated under the collection of digital library.

(i) Business applications for multimedia include presentations, training, and internet protocols and soon.
(ii) The marketing and advertising agencies are using animation techniques for sales promotion.
(iii) Multimedia is used very commonly for building employee ID.
(iv) High resolution projectors are common for multimedia presentations on the road.
(v) Cell phones and personal digital assistants with Bluetooth and Wi-Fi communication technology makes multimedia communication for business more effiCiently.

1. Production Manager:
(i) In a multimedia production, the role of production manager is to define, and coordinate, the production of the multimedia project in time and with full quality.
(ii) The production manager should be an expertise in the technology, good at proposal writing,good communication skills and budget management skills.
2. Content Specialist:
(i) Content specialist is responsible for performing all research activities concerned with the proposed application's content.
(ii) Program content refers to projects information, graphics, data or facts presented through the multimedia production.
3. Script Writer:
(i) Video and film scripts represents a linear sequence of events.
(ii) The script writer visualizes the concepts in three dimensional environment and if needed uses the virtual reality integration into the program.
4. Text Editor:
(i) The content of a multimedia production always must flow logically and the text should always be structured and correct grammatically.
(ii) Text and narration is an integrated part of the application.
5. Multimedia Architect:
The multimedia architect integrates all the multimedia building blocks like graphics, text, audio, music, video, photos and animation by using an authoring software.
6. Audio and Video Specialist:
(i) The roles of these specialists are needed for dealing with narration and digitized videos to be added in a multimedia presentation.
(ii) They are responsible for recording, editing sound effects and digitizing

1. Some of the opportunities are available in animation and gaming are as Graphic Designer, Web Designer, 2D/3D Animator, 2D/3D Designer, AV Editor, Technicial Trainer, 3D Modeler, etc.
2. Video on demand or movies on demand is a service that provides movies to television sets on an individual basis at homes.
3. Movies are stored in a central server and transmitted through a communication network.