Multimedia MCQ. 100 objective questions on Multimedia. Test understanding of components, file formats, applications & basic technologies. Answers provided.
Multimedia MCQ – Mock Online Test
Question 1: What does the term “multimedia” refer to?
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Correct Answer: D. The use of different media types together. The use of different media types together refers to multimedia, which includes text, images, audio, video, and more.
Question 2: What is the scope of multimedia in education?
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Correct Answer: C. Encompasses interactive learning tools like videos and simulations. Multimedia enhances education by integrating tools like videos, animations, and interactive content.
Question 3: Which of the following is not a component of multimedia?
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Correct Answer: C. Printer. Printer is not a component of multimedia. Multimedia includes text, graphics, audio, and video.
Question 4: What is the role of text in multimedia?
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Correct Answer: C. It is essential for conveying information. Text is essential for conveying information and plays a critical role in multimedia.
Question 5: In which field is multimedia widely used for simulation purposes?
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Correct Answer: D. Military. Multimedia is used in military applications for simulations and virtual training.
Question 6: What is a common use of multimedia in marketing?
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Correct Answer: C. Developing interactive ads and promotional videos. Multimedia is commonly used in marketing to create interactive ads, videos, and promotional content.
Question 7: Which of the following is an essential hardware component for multimedia production?
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Correct Answer: D. Graphics card. A graphics card is essential for processing images and video in multimedia production.
Question 8: Which software is commonly used for video editing in multimedia?
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Correct Answer: B. Adobe Premiere Pro. Adobe Premiere Pro is widely used for video editing in multimedia projects.
Question 9: Which multimedia application is commonly used in medical imaging for diagnosis?
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Correct Answer: C. 3D imaging and simulations. 3D imaging and simulations are commonly used in medical imaging for diagnosis and analysis.
Question 10: How is multimedia applied in the field of entertainment?
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Correct Answer: B. For video editing, animation, and interactive games. Multimedia is extensively used in entertainment for video editing, animation, and creating interactive games.
Question 11: What is the main function of a multimedia system?
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Correct Answer: B. To store and manage multiple media types such as text, images, audio, and video. Multimedia systems are designed to store, process, and manage multiple media types such as text, images, audio, and video.
Question 12: Which of the following is not part of a multimedia system?
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Correct Answer: D. Textbooks. Textbooks are not part of multimedia systems, which focus on digital media types.
Question 13: What is an essential feature of a multimedia system architecture?
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Correct Answer: D. Synchronization of various media types. Synchronization of different media types like audio, video, and images is key to multimedia system architecture.
Question 14: In a multimedia system, what type of architecture supports real-time interaction?
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Correct Answer: A. Client-server. Client-server architecture supports real-time interaction in many multimedia systems.
Question 15: What is meant by “synchronization” in multimedia systems?
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Correct Answer: B. Coordinating the timing of different media streams. Synchronization refers to coordinating the timing of different media streams, such as aligning video and audio playback.
Question 16: Why is synchronization important in multimedia systems?
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Correct Answer: B. To ensure media elements play at the correct times. Synchronization ensures that media elements like video and audio play at the correct times, maintaining the flow of the presentation.
Question 17: Which format is commonly used for text representation in multimedia?
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Correct Answer: C. TXT. TXT is a common file format for text representation.
Question 18: Which file format is widely used for storing digital images?
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Correct Answer: B. PNG. PNG is a popular file format for storing digital images.
Question 19: What is the most common file format for digital video?
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Correct Answer: C. AVI. AVI is a common file format used for storing digital video.
Question 20: What is the main difference between lossy and lossless compression techniques?
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Correct Answer: A. Lossy reduces file size, while lossless retains full quality. Lossy compression reduces file size but loses some data, while lossless retains all original data.
Question 21: Which file format is often used for high-quality audio files?
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Correct Answer: C. WAV. WAV is a file format commonly used for high-quality audio files.
Question 22: What does the MP3 file format stand for?
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Correct Answer: C. MPEG Audio Layer 3. MP3 stands for MPEG Audio Layer 3, a popular audio file format.
Question 23: What is the primary benefit of using lossy compression for multimedia files?
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Correct Answer: B. Smaller file sizes with some loss of quality. Lossy compression reduces file size by discarding some data, making it ideal for multimedia files like videos and images.
Question 24: Which of the following is an example of lossless compression?
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Correct Answer: C. PNG. PNG is a lossless compression format, meaning no data is lost during compression.
Question 25: What is a key feature of lossless compression techniques?
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Correct Answer: B. Full recovery of original data. Lossless compression allows full recovery of the original data without loss of quality.
Question 26: Which compression technique is typically used for streaming audio and video?
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Correct Answer: B. Lossy compression. Lossy compression is typically used for streaming audio and video to reduce file sizes and ensure faster transmission.
Question 27: What is the main disadvantage of lossy compression?
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Correct Answer: C. Permanent loss of some data. The main disadvantage of lossy compression is that some data is permanently lost, which may affect quality.
Question 28: Which of the following is a multimedia input device?
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Correct Answer: B. Microphone. A microphone is an input device used for audio capture in multimedia.
Question 29: Which of the following is considered a multimedia output device?
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Correct Answer: D. Projector. A projector is an output device used to display multimedia content.
Question 30: Which of the following devices is commonly used for video capture in multimedia?
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Correct Answer: B. Webcam. A webcam is commonly used for capturing video in multimedia systems.
Question 31: Which device is used to convert sound into electrical signals in multimedia applications?
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Correct Answer: B. Microphone. A microphone converts sound into electrical signals for multimedia applications.
Question 32: Which of the following is an example of a multimedia storage device?
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Correct Answer: A. Hard drive. A hard drive is used to store multimedia data such as images, videos, and audio files.
Question 33: What type of storage device is typically used for multimedia due to its large storage capacity and speed?
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Correct Answer: C. SSD (Solid-State Drive). SSDs (Solid-State Drives) are commonly used for multimedia because they offer large storage capacity and fast read/write speeds.
Question 34: Which of the following network infrastructures is best suited for streaming multimedia content?
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Correct Answer: C. Ethernet. Ethernet provides a stable, high-speed connection that is well-suited for streaming multimedia content.
Question 35: What is a key requirement of network infrastructure for supporting real-time multimedia applications?
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Correct Answer: B. High bandwidth. High bandwidth is essential for supporting real-time multimedia applications such as video conferencing or streaming.
Question 36: Which technology is widely used for distributing multimedia content over the internet?
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Correct Answer: C. CDN (Content Delivery Network). CDNs (Content Delivery Networks) are widely used to distribute multimedia content over the internet efficiently.
Question 37: What is the primary difference between 2D and 3D graphics in multimedia?
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Correct Answer: B. 3D graphics have depth, while 2D graphics do not. 3D graphics incorporate depth, while 2D graphics are flat and lack depth.
Question 38: In multimedia, which type of graphics is most commonly used for creating animated characters?
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Correct Answer: C. 3D graphics. 3D graphics are commonly used for creating animated characters in multimedia.
Question 39: What is image processing in multimedia?
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Correct Answer: B. Enhancing and transforming digital images. Image processing involves enhancing and transforming digital images.
Question 40: Which technique is used in multimedia to remove unwanted parts of an image?
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Correct Answer: A. Cropping. Cropping is used to remove unwanted parts of an image.
Question 41: What does rendering mean in the context of multimedia graphics?
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Correct Answer: B. Converting 3D models into 2D images. Rendering refers to the process of converting 3D models into 2D images or animations.
Question 42: Which of the following rendering techniques is most commonly used for photorealistic images?
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Correct Answer: B. Ray tracing. Ray tracing is a rendering technique used to create highly realistic images by simulating the way light interacts with objects.
Question 43: Which of the following rendering techniques is primarily used for real-time applications like video games?
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Correct Answer: B. Rasterization. Rasterization is commonly used for real-time applications like video games because it is faster than ray tracing.
Question 44: What is the main goal of rendering in multimedia graphics?
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Correct Answer: B. To convert 2D or 3D models into visual images. Rendering converts 2D or 3D models into final visual images, often used in multimedia applications like video games and movies.
Question 45: Which technique is used to improve the realism of a rendered image by simulating the behavior of light?
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Correct Answer: C. Ray tracing. Ray tracing is used to improve realism by simulating the behavior of light in a scene.
Question 46: Which of the following is a common audio file format used in multimedia?
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Correct Answer: B. MP3. MP3 is a widely used audio file format in multimedia.
Question 47: What is the main advantage of the MP3 audio format?
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Correct Answer: A. It offers high compression with minimal quality loss. MP3 offers high compression, reducing file size with minimal loss of quality.
Question 48: What is the purpose of audio compression in multimedia?
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Correct Answer: B. To reduce the file size without significantly affecting sound quality. Audio compression reduces the file size while maintaining acceptable sound quality.
Question 49: Which audio compression technique is considered lossless?
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Correct Answer: B. FLAC. FLAC is a lossless audio compression format, meaning no data is lost during compression.
Question 50: What is the main purpose of speech recognition in multimedia systems?
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Correct Answer: C. To interpret spoken language and convert it into text. Speech recognition converts spoken language into text.
Question 51: Which of the following applications uses speech synthesis in multimedia?
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Correct Answer: B. Text-to-speech systems. Speech synthesis is used in text-to-speech systems to convert text into audible speech.
Question 52: Which compression algorithm is commonly used for audio files and reduces size without significant quality loss?
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Correct Answer: B. MP3. MP3 is a commonly used lossy compression algorithm that reduces the size of audio files without significant quality loss.
Question 53: What is the primary purpose of using audio compression in multimedia applications?
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Correct Answer: B. To reduce the file size for storage and transmission. Audio compression is primarily used to reduce the file size, making storage and transmission more efficient.
Question 54: Which of the following is a popular video format used in multimedia?
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Correct Answer: C. MP4. MP4 is a popular video format commonly used in multimedia systems.
Question 55: Which video format is known for its high-quality compression and is widely used for internet streaming?
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Correct Answer: B. MPEG-4. MPEG-4 is known for its high-quality compression and is widely used for streaming on the internet.
Question 56: What is the primary purpose of video compression?
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Correct Answer: A. To reduce the file size of a video. Video compression reduces the file size of a video to make storage and transmission more efficient.
Question 57: Which video compression technique is considered lossy?
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Correct Answer: A. MPEG-4. MPEG-4 is a lossy video compression format, where some data is discarded to achieve smaller file sizes.
Question 58: What is video streaming in multimedia?
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Correct Answer: B. Playing video files in real-time over the internet without downloading. Video streaming refers to playing video content in real-time over the internet without requiring full download.
Question 59: Which of the following technologies is used for video streaming?
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Correct Answer: C. HLS (HTTP Live Streaming). HLS (HTTP Live Streaming) is a widely used technology for video streaming.
Question 60: What is the main advantage of video streaming over traditional downloading?
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Correct Answer: B. Instant access to content without waiting for the entire file to download. The main advantage of video streaming is instant access to content without waiting for the entire file to download.
Question 61: Which protocol is commonly used for streaming live video content?
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Correct Answer: B. RTP (Real-time Transport Protocol). RTP (Real-time Transport Protocol) is commonly used for streaming live video content.
Question 62: What is the primary principle behind animation in multimedia?
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Correct Answer: B. Generating motion by displaying a sequence of images in rapid succession. The principle behind animation is generating motion by displaying a sequence of images in rapid succession, known as frames.
Question 63: Which of the following is NOT a key principle of animation?
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Correct Answer: D. Video compression. Video compression is not a principle of animation; it is a technique used for reducing file sizes.
Question 64: What is the main difference between 2D and 3D animation?
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Correct Answer: B. 3D animation involves depth and perspective, while 2D animation does not. 3D animation involves depth and perspective, whereas 2D animation only works on a flat plane.
Question 65: In 3D animation, what is the process of creating a virtual skeleton to manipulate a character called?
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Correct Answer: C. Rigging. Rigging is the process of creating a virtual skeleton to manipulate a character in 3D animation.
Question 66: What is keyframing in animation?
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Correct Answer: B. Creating specific frames that define the starting and ending points of motion. Keyframing involves creating specific frames that define the starting and ending points of an object’s movement in animation.
Question 67: Which animation technique uses real-life motion data to animate characters?
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Correct Answer: B. Motion capture. Motion capture involves using real-life motion data to animate characters.
Question 68: What is the main advantage of motion capture in 3D animation?
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Correct Answer: A. It simplifies the animation process by directly recording real-life movements. Motion capture simplifies the animation process by directly recording and applying real-life movements to animated characters.
Question 69: Which of the following is a popular software used for 2D animation?
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Correct Answer: A. Adobe After Effects. Adobe After Effects is a popular software used for creating 2D animations.
Question 70: What is a multimedia authoring tool?
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Correct Answer: B. A software application used to create and manage multimedia content. A multimedia authoring tool is a software application used to create and manage multimedia content.
Question 71: Which of the following is NOT a function of multimedia authoring tools?
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Correct Answer: C. Compressing images. Compressing images is not a primary function of multimedia authoring tools, which focus on integrating and managing various media types.
Question 72: What type of authoring tool allows users to build multimedia presentations using a timeline?
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Correct Answer: C. Time-based authoring tool. Time-based authoring tools allow users to create multimedia presentations using a timeline for sequencing events.
Question 73: Which of the following is an example of an icon-based authoring tool?
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Correct Answer: C. Macromedia Director. Macromedia Director is an example of an icon-based authoring tool.
Question 74: Which of the following is a widely used multimedia authoring tool for web development?
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Correct Answer: C. Adobe Dreamweaver. Adobe Dreamweaver is widely used for creating multimedia web content.
Question 75: Which multimedia authoring tool is primarily used for creating animations?
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Correct Answer: B. Blender. Blender is widely used for creating animations in multimedia projects.
Question 76: What is the main purpose of using a multimedia authoring tool?
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Correct Answer: B. To create and integrate multimedia elements such as text, images, video, and audio. The main purpose of using a multimedia authoring tool is to create and integrate various multimedia elements.
Question 77: Which protocol is commonly used for transmitting multimedia content over the internet?
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Correct Answer: C. HTTP. HTTP is commonly used for transmitting multimedia content over the internet, especially for web-based streaming.
Question 78: What is the main challenge of delivering multimedia content over the internet?
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Correct Answer: B. High latency and jitter. High latency and jitter are the main challenges when delivering multimedia content over the internet, as they affect real-time playback quality.
Question 79: Which of the following protocols is widely used for live multimedia streaming?
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Correct Answer: B. RTSP (Real-Time Streaming Protocol). RTSP (Real-Time Streaming Protocol) is widely used for live multimedia streaming.
Question 80: What is the purpose of using RTP (Real-Time Transport Protocol) in multimedia streaming?
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Correct Answer: B. To manage real-time transmission of audio and video over the internet. RTP is used to manage real-time transmission of audio and video data over the internet.
Question 81: What does QoS (Quality of Service) ensure in multimedia networks?
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Correct Answer: C. Reliable transmission with minimal delay and jitter. QoS (Quality of Service) ensures reliable transmission of multimedia content with minimal delay, jitter, and packet loss.
Question 82: Which of the following is a key factor that affects QoS in multimedia networks?
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Correct Answer: B. Latency. Latency is a key factor that affects the quality of service in multimedia networks, especially for real-time content delivery.
Question 83: What is the primary goal of implementing QoS in multimedia communication?
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Correct Answer: B. Ensuring smooth playback with minimal interruptions. The primary goal of QoS is to ensure smooth playback of multimedia content with minimal interruptions.
Question 84: What is a key challenge in managing multimedia data in databases?
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Correct Answer: B. Storing and indexing large amounts of varied data types. A key challenge in managing multimedia data is storing and indexing large volumes of varied media types such as text, images, audio, and video.
Question 85: Which of the following is a common method for organizing multimedia data in databases?
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Correct Answer: B. Metadata tagging and indexing. Metadata tagging and indexing are common methods for organizing and retrieving multimedia data in databases.
Question 86: What is content-based image retrieval (CBIR)?
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Correct Answer: B. Retrieving images based on visual content such as color, shape, and texture. Content-based image retrieval (CBIR) involves retrieving images based on visual content like color, shape, and texture.
Question 87: What is one main advantage of using CBIR systems?
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Correct Answer: B. It allows for more accurate searches based on the actual content of an image rather than text. CBIR allows for more accurate searches based on the actual content of an image, rather than relying on text-based metadata.
Question 88: Which technology is often used in CBIR systems to analyze the features of multimedia data?
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Correct Answer: B. Machine learning algorithms. Machine learning algorithms are often used in CBIR systems to analyze and retrieve multimedia content based on its features.
Question 89: In which of the following applications is CBIR commonly used?
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Correct Answer: B. Medical imaging systems. CBIR is commonly used in medical imaging systems to retrieve images based on visual similarities.
Question 90: What is the main purpose of Digital Rights Management (DRM) in multimedia?
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Correct Answer: B. To protect digital content from unauthorized access and distribution. DRM is used to protect digital content from unauthorized access and distribution.
Question 91: Which of the following is a common DRM technique?
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Correct Answer: A. Watermarking. Watermarking is a common DRM technique used to embed ownership information in digital media.
Question 92: What is a digital watermark?
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Correct Answer: B. A method of hiding copyright information within digital media. A digital watermark is a method of embedding copyright information within digital media to prevent unauthorized use.
Question 93: Why is digital watermarking important in multimedia security?
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Correct Answer: B. It provides a way to track ownership and usage of digital content. Digital watermarking is important because it helps track ownership and prevent unauthorized distribution of digital content.
Question 94: What is the main function of encryption in multimedia data security?
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Correct Answer: B. To secure multimedia content by converting it into a coded format. Encryption secures multimedia content by converting it into a coded format that can only be accessed by authorized users.
Question 95: Which of the following encryption methods is commonly used for securing multimedia content?
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Correct Answer: A. AES (Advanced Encryption Standard). AES (Advanced Encryption Standard) is commonly used for securing multimedia content.
Question 96: How is multimedia integrated into virtual reality (VR) environments?
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Correct Answer: B. By creating immersive experiences using 3D graphics, audio, and video. Multimedia is integrated into VR environments by creating immersive experiences using 3D graphics, audio, and video.
Question 97: What is the difference between virtual reality (VR) and augmented reality (AR)?
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Correct Answer: A. VR completely immerses users in a digital environment, while AR overlays digital elements onto the real world. Virtual reality (VR) immerses users in a fully digital environment, while augmented reality (AR) overlays digital elements onto the real world.
Question 98: Which of the following is a commonly used hardware device for VR experiences?
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Correct Answer: B. Head-mounted display (HMD). A head-mounted display (HMD) is a commonly used hardware device for experiencing virtual reality.
Question 99: What is the role of motion sensors in VR and AR devices?
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Correct Answer: B. To track and respond to user movements. Motion sensors track and respond to user movements, enabling interactive experiences in VR and AR environments.
Question 100: Which software is commonly used to develop AR applications?
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Correct Answer: B. Unity. Unity is a widely used software platform for developing AR and VR applications.