Television Satellite System Quiz

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Television Satellite System Quiz - Quiz


Once again Welcome BSET 2nd Year Students to our Online Short Quiz in ELS 24-Electronics Workshop Practice 2. Let us see and test how far did you understand the topics/lessons which had been discussed this past few weeks. Before taking the quiz, kindly consider watching this video to fully understand how a television broadcast satellite works. This Multiple Choice quiz is only good for 10 minutes. You only have one attempt to take the exam so make the best out of it. Good Luck!


Questions and Answers
  • 1. 

    Satellite TV systems transmit and receive radio signals using specialized antenna called

    • A.

      Rabbit ear

    • B.

      Yagi

    • C.

      Satellite dish

    • D.

      Log periodic

    Correct Answer
    C. Satellite dish
    Explanation
    Satellite TV systems transmit and receive radio signals using specialized antennas called satellite dishes. These dishes are designed to receive signals from satellites in space and then transmit them to the receiver, allowing users to access a wide range of television channels and programming. The satellite dish is a crucial component of the satellite TV system as it captures and focuses the signals from the satellite, ensuring a clear and reliable reception.

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  • 2. 

    A  term used chiefly in North America to refer to the reception of  television from FSS-type satellites, generally on C-band analog; free-to-air and unconnected to a commercial DBS provider. 

    • A.

      Military Satellite

    • B.

      Weather Satellite

    • C.

      Microsatellite

    • D.

      Television Received Only Satellite

    Correct Answer
    D. Television Received Only Satellite
    Explanation
    TVRO was the main means of consumer satellite reception in the United States and Canada until the mid-1990s with the arrival of direct-broadcast satellite television services such as PrimeStar, USSB, Bell TV, DirecTV, Dish Network, Sky TV which transmit Ku signals. While these services are at least theoretically based on open standards (DVB-S, MPEG-2, MPEG-4), the majority of services are encrypted and require proprietary decoder hardware. TVRO systems relied on feeds being transmitted unencrypted and using open-standards, which heavily contrasts to DBS systems in the region.

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  • 3. 

    It refers to the channels that provides programming for broadcast.

    • A.

      Broadcast Center

    • B.

      Programming Sources

    • C.

      Receiver

    • D.

      Satellite

    Correct Answer
    B. Programming Sources
    Explanation
    Programming sources refer to the various channels or platforms that provide content for broadcast. These sources could include television networks, radio stations, streaming services, and other media outlets that produce and distribute programming. They play a crucial role in supplying the content that is transmitted to receivers or viewers through satellite or other means.

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  • 4. 

    A component in direct broadcasting satellite that serves as the central hub of the system.

    • A.

      Broadcast Center

    • B.

      Programming Sources

    • C.

      Receiver

    • D.

      Satellite

    Correct Answer
    A. Broadcast Center
    Explanation
    A broadcast center is a component in direct broadcasting satellite systems that serves as the central hub. It is responsible for receiving programming from various sources and transmitting it to the satellite for distribution. The broadcast center plays a crucial role in managing and controlling the content that is broadcasted through the satellite system.

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  • 5. 

    It receives the signals from the broadcast station and rebroadcast them to earth

    • A.

      Broadcast Center

    • B.

      Programming Sources

    • C.

      Viewer's dish

    • D.

      Satellite

    Correct Answer
    D. Satellite
    Explanation
    The correct answer is "Satellite" because satellites are designed to receive signals from broadcast stations and rebroadcast them to Earth. Satellites are positioned in space and act as relays, transmitting signals to viewers' dishes on the ground. They play a crucial role in the distribution of television and radio signals, allowing for widespread access to programming sources.

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  • 6. 

    It picks up the signals from the satellite (or multiple satellites in the same part of the sky) and passes it on to the receiver in the viewer's house.

    • A.

      Broadcast Center

    • B.

      Programming Sources

    • C.

      Viewer's dish

    • D.

      Satellite

    Correct Answer
    C. Viewer's dish
    Explanation
    The viewer's dish picks up signals from the satellite or multiple satellites in the same part of the sky and passes them on to the receiver in the viewer's house. This allows the viewer to receive the programming from the broadcast center or programming sources.

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  • 7. 

    It pertains to unnecessary or repetitive information is removed from the signal before it is transmitted

    • A.

      Encryption

    • B.

      Compression

    • C.

      Transmission

    • D.

      Conversion

    Correct Answer
    B. Compression
    Explanation
    Compression is the correct answer because it involves removing unnecessary or repetitive information from a signal before it is transmitted. This process helps to reduce the size of the data being transmitted, making it more efficient and faster to transmit. Compression techniques can be applied to various types of data, such as images, videos, and audio, to minimize the amount of data that needs to be transmitted while still maintaining the essential information.

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  • 8. 

    MPEG used to store movies on DVDs and for digital cable television

    • A.

      MPEG-1

    • B.

      MPEG-2

    • C.

      MPEG-4

    • D.

      MPEG-21

    Correct Answer
    B. MPEG-2
    Explanation
    MPEG-2 is the correct answer because it is a widely used video compression standard that is specifically designed for storing and transmitting high-quality video. It is commonly used for DVDs, digital cable television, and other broadcast applications. MPEG-2 provides efficient compression while maintaining good video quality, making it suitable for these types of media.

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  • 9. 

    The original standard for encoding and decoding streaming videos and audio files

    • A.

      MPEG-1

    • B.

      MPEG-2

    • C.

      MPEG-4

    • D.

      MPEG-21

    Correct Answer
    A. MPEG-1
    Explanation
    MPEG-1 is the original standard for encoding and decoding streaming videos and audio files. It was developed by the Moving Picture Experts Group (MPEG) and was first published in 1993. MPEG-1 is widely used for compressing video and audio files, making it easier to transmit and store them. It provides good quality video and audio at relatively low bit rates, making it suitable for streaming over limited bandwidth networks. MPEG-1 has been widely adopted and paved the way for the development of subsequent MPEG standards such as MPEG-2, MPEG-4, and MPEG-21.

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  • 10. 

    The standard for compressing high-definition video into smaller scale files that stream to computers, cellphones and PDAs.

    • A.

      MPEG-1

    • B.

      MPEG-2

    • C.

      MPEG-4

    • D.

      MPEG-21

    Correct Answer
    C. MPEG-4
    Explanation
    MPEG-4 is the correct answer because it is the standard for compressing high-definition video into smaller scale files that can be streamed to computers, cellphones, and PDAs. MPEG-1 and MPEG-2 are older standards that are not as efficient in compressing high-definition video, while MPEG-21 is a multimedia framework for the delivery and consumption of digital content, but it is not specifically designed for compressing video. Therefore, MPEG-4 is the most suitable choice for this purpose.

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  • 11. 

    It is referred to as the Multimedia Framework that interprets what digital content to provide to which individual user so that media plays at any language, machine or user conditions.

    • A.

      MPEG-1

    • B.

      MPEG-2

    • C.

      MPEG-4

    • D.

      MPEG-21

    Correct Answer
    D. MPEG-21
    Explanation
    MPEG-21 is the correct answer because it is a multimedia framework that focuses on interpreting digital content for individual users, regardless of language, machine, or user conditions. It is designed to provide personalized and adaptive media experiences, ensuring that media plays seamlessly across different platforms and devices.

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  • 12. 

    In satellite TV encoding, it contains the complete image data for that frame and provides the least compression.

    • A.

      Intraframe

    • B.

      Predicted Frame

    • C.

      Bidirectional Frame

    • D.

      Picture Frame

    Correct Answer
    A. Intraframe
    Explanation
    In satellite TV encoding, the term "intraframe" refers to a type of frame that contains complete image data for that specific frame. This means that each individual frame is encoded independently, without relying on information from previous or future frames. As a result, intraframe compression provides the least amount of compression compared to other types of frames. This allows for better image quality but requires more data transmission and storage capacity.

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  • 13. 

    It contains just enough information just to tell the satellite receiver how to display the frame based on the most recently displayed frames

    • A.

      Intraframe

    • B.

      Predicted Frame

    • C.

      Bidirectional Frame

    • D.

      Picture Frame

    Correct Answer
    B. Predicted Frame
    Explanation
    A predicted frame is a type of frame in video compression that contains just enough information to tell the satellite receiver how to display the frame based on the most recently displayed frames. This means that instead of sending the complete frame, only the changes or differences between the current frame and the previous frame are transmitted. The receiver then uses this information to reconstruct the frame and display it. This method helps in reducing the amount of data that needs to be transmitted, resulting in more efficient video compression.

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  • 14. 

    It displays information from the surrounding frames and interpolates the position and the color of each pixel

    • A.

      Intraframe

    • B.

      Predicted Frame

    • C.

      Bidirectional Frame

    • D.

      Picture Frame

    Correct Answer
    C. Bidirectional Frame
    Explanation
    A bidirectional frame in video compression displays information by utilizing both past and future frames. It interpolates the position and color of each pixel by considering the surrounding frames. This allows for more accurate and detailed representation of the video content.

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  • 15. 

    A name given to certain portions of the electromagnetic spectrum, including wavelengths of microwaves that are used for long-distance radio telecommunications. 

    • A.

      Ku Signal

    • B.

      C-band Signal

    • C.

      UHF Signal

    • D.

      VHF signal

    Correct Answer
    B. C-band Signal
    Explanation
    C-band signal refers to a specific portion of the electromagnetic spectrum that is used for long-distance radio telecommunications. This band includes wavelengths of microwaves which are suitable for transmitting signals over large distances. The C-band signal is commonly used for satellite communications, weather radar systems, and other long-range applications.

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  • 16. 

    The first artificial satellite to orbit the earth is called

    • A.

      Galileo 1

    • B.

      Sputnik 1

    • C.

      Pamela 1

    • D.

      Paloma 1

    Correct Answer
    B. Sputnik 1
    Explanation
    Sputnik 1 was the first artificial satellite to orbit the earth. It was launched by the Soviet Union on October 4, 1957. Sputnik 1 was a small, spherical satellite that transmitted radio signals back to earth. Its successful launch marked the beginning of the Space Age and the start of the space race between the United States and the Soviet Union.

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  • 17. 

    It is the 12–18 GHz portion of the electromagnetic spectrum in the microwave range of frequencies.

    • A.

      Ku Signal

    • B.

      C-band Signal

    • C.

      UHF Signal

    • D.

      VHF signal

    Correct Answer
    A. Ku Signal
    Explanation
    The correct answer is Ku Signal. Ku signal refers to the portion of the electromagnetic spectrum in the microwave range of frequencies, specifically between 12 to 18 GHz. This frequency range is commonly used for satellite communications and is known for its ability to transmit high data rates.

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  • 18. 

    The most famous GPS NAVSTAR Satellite is a good example of

    • A.

      Weather Satellite

    • B.

      Communication Satellite

    • C.

      Navigation Satellite

    • D.

      Military Satellite

    Correct Answer
    C. Navigation Satellite
    Explanation
    The most famous GPS NAVSTAR Satellite is a good example of a navigation satellite. Navigation satellites are specifically designed to provide positioning, navigation, and timing services to users on the ground. The GPS NAVSTAR Satellite system, developed by the United States, utilizes a constellation of satellites to provide accurate positioning and navigation information to users worldwide. These satellites transmit signals that can be received by GPS receivers on the ground, allowing users to determine their precise location and navigate to their desired destinations.

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  • 19. 

    It is a man made object that revolves around the planet or a smaller celestial body

    • A.

      Moon

    • B.

      Satellite

    • C.

      Big Ugly Dish

    • D.

      Direct Broadcast Satellite System

    Correct Answer
    B. Satellite
    Explanation
    A satellite is a man-made object that revolves around a planet or a smaller celestial body. Satellites are launched into space to perform various functions, such as communication, navigation, weather monitoring, and scientific research. They are typically placed in specific orbits to ensure proper coverage and functionality. In this context, the moon is not a man-made object, and the other options, "Big Ugly Dish" and "Direct Broadcast Satellite System," do not accurately describe a satellite. Therefore, the correct answer is "Satellite."

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  • 20. 

    The First Philippine microsatellite to be launched in early 2016  and the first one to be built and designed by Filipinos.

    • A.

      Anito 1

    • B.

      Diwata 1

    • C.

      Bagwis 1

    • D.

      Agila 1

    Correct Answer
    B. Diwata 1
    Explanation
    Hokkaido University and Tohoku University of Japan initiated a project to send 50 microsatellites into space by 2050 which will be used to photograph aftermaths of natural disasters partnering with governments, universities and other organizations based in Bangladesh, Indonesia, Malaysia, Myanmar, Mongolia, Philippines, Thailand, and Vietnam. Two satellites are commissioned for the Philippine government.[

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