Q11. What is a keyframe in animation?
a) A frame that defines the start or end of a smooth transition
b) A frame used for generating sound effects
c) A frame with no visual information
d) A frame that stores metadata
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Correct Answer: a) A frame that defines the start or end of a smooth transition
Explanation: Keyframes are crucial in animation as they define the start or end points of a transition, helping to create smooth motion between these points.
Q12. Which multimedia component is used to create and manipulate sound in digital audio?
a) Audio file
b) Audio codec
c) Audio waveform
d) Audio mixer
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Correct Answer: d) Audio mixer
Explanation: An audio mixer is used to create and manipulate sound in digital audio, allowing for the adjustment of volume levels, effects, and combining multiple audio tracks.
Q13. What is the primary advantage of using vector graphics over raster graphics?
a) Higher color depth
b) Smaller file sizes
c) Scalability without loss of quality
d) Faster rendering times
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Correct Answer: c) Scalability without loss of quality
Explanation: Vector graphics can be scaled to any size without losing quality because they are based on mathematical expressions rather than pixels, unlike raster graphics.
Q14. Which software is specifically designed for creating professional presentations and slide shows?
a) MS-Excel
b) MS-Word
c) MS-PowerPoint
d) MS-Access
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Correct Answer: c) MS-PowerPoint
Explanation: MS-PowerPoint is widely used for creating professional presentations and slide shows, offering tools for designing slides, incorporating multimedia elements, and delivering presentations.
Q15. Which term describes the process of adjusting the timing and sequencing of visual and audio elements in a multimedia presentation?
a) Editing
b) Synchronization
c) Compression
d) Rendering
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Correct Answer: b) Synchronization
Explanation: Synchronization involves adjusting the timing and sequencing of visual and audio elements to ensure they align correctly in a multimedia presentation, creating a cohesive and engaging experience.
Q16. What is the typical file extension for a high-quality audio file used in multimedia?
a) .mp3
b) .wav
c) .jpeg
d) .gif
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Correct Answer: b) .wav
Explanation: The .wav file extension represents a high-quality audio format used in multimedia applications, providing uncompressed sound that preserves audio fidelity.
Q17. What type of animation technique involves drawing each frame by hand?
a) 2D Animation
b) 3D Animation
c) Stop Motion
d) Frame-by-Frame Animation
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Correct Answer: d) Frame-by-Frame Animation
Explanation: Frame-by-frame animation involves drawing each frame by hand, creating the illusion of movement through a sequence of individually crafted images.
Q18. Which of the following software tools is used for creating and editing web graphics and animations?
a) MS-Word
b) Adobe Dreamweaver
c) MS-Publisher
d) Adobe Flash
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Correct Answer: d) Adobe Flash
Explanation: Adobe Flash was used for creating and editing web graphics and animations. Although it has been largely replaced by other technologies, it was historically a key tool in multimedia design.
Q19. What is the primary purpose of using digital video in multimedia presentations?
a) To display static images
b) To provide interactive user interfaces
c) To deliver moving visual content with audio
d) To store large volumes of text
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Correct Answer: c) To deliver moving visual content with audio
Explanation: Digital video is used to deliver moving visual content accompanied by audio, enhancing multimedia presentations by providing dynamic and engaging experiences.
Q20. Which of the following is a characteristic of a bitmap image format?
a) Infinite scalability
b) Resolution-dependent
c) Lossless compression
d) Vector-based
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Correct Answer: b) Resolution-dependent
Explanation: Bitmap images are resolution-dependent, meaning their quality is affected by the resolution at which they are displayed. Unlike vector images, bitmap images lose quality when scaled up.