Q21. What is the primary function of an audio codec in multimedia systems?
a) Compressing and decompressing audio files
b) Enhancing image quality
c) Managing file permissions
d) Rendering 3D graphics
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Correct Answer: a) Compressing and decompressing audio files
Explanation: An audio codec compresses and decompresses audio files to reduce file size while maintaining sound quality, making it easier to store and transmit audio data.
Q22. Which format is best for storing a sequence of images used in a simple animation?
a) GIF
b) JPEG
c) MP4
d) PNG
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Correct Answer: a) GIF
Explanation: The GIF format is well-suited for storing sequences of images used in simple animations due to its support for multiple frames and small file size.
Q23. Which multimedia element is typically used to enhance user interaction on websites?
a) Text
b) Static images
c) Flash animations
d) Audio files
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Correct Answer: c) Flash animations
Explanation: Flash animations are used to enhance user interaction on websites by providing interactive and engaging content. However, Flash has been largely replaced by modern web technologies.
Q24. What does “frame rate” refer to in digital video?
a) The number of frames displayed per second
b) The resolution of each frame
c) The file size of the video
d) The length of the video clip
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Correct Answer: a) The number of frames displayed per second
Explanation: Frame rate refers to the number of frames displayed per second in digital video. Higher frame rates result in smoother motion, while lower frame rates may appear choppy.
Q25. Which software would you use to create a visually rich brochure with multimedia elements?
a) MS-Publisher
b) MS-Excel
c) MS-Access
d) Adobe Acrobat
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Correct Answer: a) MS-Publisher
Explanation: MS-Publisher is designed for creating visually rich brochures and publications, allowing for the integration of multimedia elements such as images and text.
Q26. Which file format is commonly used for compressing video files without significant loss of quality?
a) AVI
b) MPEG
c) BMP
d) TIFF
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Correct Answer: b) MPEG
Explanation: MPEG is a common file format used for compressing video files with minimal loss of quality, making it suitable for video playback and distribution.
Q27. What is the role of a “timeline” in animation software?
a) To create audio tracks
b) To manage the sequence of frames and keyframes
c) To compress video files
d) To edit text content
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Correct Answer: b) To manage the sequence of frames and keyframes
Explanation: The timeline in animation software helps manage the sequence of frames and keyframes, allowing animators to organize and synchronize visual elements and animations.
Q28. Which type of image is best suited for web use with limited color depth?
a) PNG
b) GIF
c) TIFF
d) JPEG
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Correct Answer: b) GIF
Explanation: GIF is well-suited for web use with limited color depth due to its support for a limited color palette and ability to handle simple animations.
Q29. What is the primary purpose of using textural information in multimedia systems?
a) To enhance visual appeal and provide context
b) To compress audio files
c) To store large volumes of data
d) To render 3D models
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Correct Answer: a) To enhance visual appeal and provide context
Explanation: Textural information enhances the visual appeal of multimedia elements by providing context, detail, and depth to images and graphics, making them more engaging.
Q30. Which multimedia software is specifically designed for creating interactive content such as games and simulations?
a) Adobe Photoshop
b) MS-Publisher
c) Adobe Animate
d) MS-Word
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Correct Answer: c) Adobe Animate
Explanation: Adobe Animate is designed for creating interactive content, including animations and simulations, allowing for the development of engaging multimedia experiences.