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Basics of Multimedia
   Multimedia is the field concerned with the computer-controlled integration of text, graphics, drawings, still and moving images (Video), animation, audio, and any other media where every type of information can be represented, stored, transmitted and processed digitally.

Multimedia is a media that uses multiple form of information content and information processing. In any business enterprise, multimedia exists in the form of advertisements, presentations, video conferencing, voice mail, etc.

Multimedia Components

Text : It contains alphanumeric and some other special characters. Keyboard is usually used for input of text; however, there are some internal (inbuilt) features to include such text.

Graphics : This technology to generate, represent, process, manipulate, and display pictures. It is one of the most important components of multimedia application. The development of graphics is supported by a different software.

Audio : This technology records, synthesizes, and plays audio (sound). There are many learning courses and different instructions that can be delivered through this medium appropriately.

Video : This technology records, synthesizes, and displays images (known as frames) in such sequences (at a fixed speed) that makes the creation appear as moving; this is how we see a completely developed video. In order to watch a video without any interruption, video device must display 24 to 30 frames/second.

Animation : Computer animation is a modern technology, which helps in creating, developing, sequencing, and displaying a set of images (technically known as ‘frames’). Animation gives visual effects or motion very similar to that of a video file.

Geographic information systems map (GIS) : Map created in a GIS system are being used wildly for natural resources and wild life management as well as urban planning. These systems store the geographical information of the map along with a database containing information relating highlighted map elements with statistical or item information such as wild life statistics or details of the floors and rooms and workers in an office building

Holographic images : All of the technologies so for essentially present a flat view of information. Holographic images extend the concept of virtual reality by allowing the user to get "inside" a part, such as, an engine and view its operation from the inside.
Multimedia Advantages

    Increases learning effectiveness
    Gains and holds attention
    More appealing
    Reduces training cost
    Easy to use
    Give information to individuals
    Provides high quality of presentations
    Integrated and interactive
    Can be used as a wide variety of audience
    Entertaining and educational

Multimedia Disadvantages

    Multimedia requires high-end computer systems
    Very Expensive
    Not always ready to configure
    Requires special hardware
    Not always compatible
    Takes time to compile
    Information overload
    Misuse and/or overuse
    Limitations of technology