History Of Television System Quiz

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  • 1/20 Questions

    It means to send out in all directions.

    • Television
    • Persistence of vision
    • Broadcast
    • Heterodyning
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About This Quiz

Once again, welcome BSET 2nd Year students to your First Online short quiz for the subject ELS 23- Video Systems, Repair and Maintenance. Please consider watching the video first to gain insights about the topic before you proceed in taking the quiz. Select the best answer by simply clicking on the open circle. This multiple choice quiz is only good for 10 minutes. Good luck!

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  • 2. 
    This person’s job is to go to the customer’s home to inspect the television system for faults or perhaps to install a new television system.  - ProProfs

    This person’s job is to go to the customer’s home to inspect the television system for faults or perhaps to install a new television system. 

    • Bench Troubleshooting Technician

    • Outside service Technician

    • Cellphone Repair Technician

    • CCTV Maintenance Technician

    Correct Answer
    A. Outside service Technician
    Explanation
    This person's job involves going to the customer's home to inspect or install television systems. They are responsible for providing service outside of the company's premises, hence the term "Outside service Technician".

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  • 3. 
    It refers to the optical illusion whereby multiple discrete images blend into a single image in the human mind and believed to be the explanation for motion perception in cinema and animated films. - ProProfs

    It refers to the optical illusion whereby multiple discrete images blend into a single image in the human mind and believed to be the explanation for motion perception in cinema and animated films.

    • Television

    • Persistence of vision

    • Broadcast

    • Heterodyning

    Correct Answer
    A. Persistence of vision
    Explanation
    Persistence of vision refers to the phenomenon where multiple discrete images blend together in the human mind, creating the illusion of a single image. This concept is believed to be the explanation for motion perception in cinema and animated films. It allows our eyes and brain to perceive a continuous flow of images, giving the impression of movement.

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  • 4. 
    It means to see at a distance - ProProfs

    It means to see at a distance

    • Television

    • Persistence of vision

    • Broadcast

    • Heterodyning

    Correct Answer
    A. Television
    Explanation
    Television refers to the transmission and reception of moving images and sound over a distance. It allows people to see and hear events that are happening far away from their current location. This technology utilizes the concept of persistence of vision, which is the ability of the human eye to retain an image for a brief moment after it has disappeared. Through the process of broadcasting, television signals are sent out and received by antennas, allowing viewers to watch programs on their televisions. Heterodyning is a technique used in television to combine different frequencies and create a new frequency for transmission.

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  • 5. 
    He  inventor of the "rabbit ears" or "V" shape antenna. - ProProfs

    He  inventor of the "rabbit ears" or "V" shape antenna.

    • Marvin Middlemark

    • Louis Parker

    • Karl Braun

    • Philo Farnsworth

    Correct Answer
    A. Marvin Middlemark
    Explanation
    Marvin Middlemark is credited as the inventor of the "rabbit ears" or "V" shape antenna.

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  • 6. 
    A radio signal processing technique that creates new frequencies by combining or mixing two frequencies. - ProProfs

    A radio signal processing technique that creates new frequencies by combining or mixing two frequencies.

    • Television

    • Persistence of vision

    • Broadcast

    • Heterodyning

    Correct Answer
    A. Heterodyning
    Explanation
    Heterodyning is a radio signal processing technique that combines or mixes two frequencies to create new frequencies. This technique is commonly used in radio communication and broadcasting systems to convert incoming signals to a fixed intermediate frequency for easier processing and amplification. By mixing the original frequencies, heterodyning allows for the extraction of useful information from the signals and enables efficient transmission and reception of radio signals.

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  • 7. 
    A German scientist who invented the cathode ray tube oscilloscope in 1897 - ProProfs

    A German scientist who invented the cathode ray tube oscilloscope in 1897

    • Marvin Middlemark

    • Louis Parker

    • Karl Braun

    • Philo Farnsworth

    Correct Answer
    A. Karl Braun
    Explanation
    Karl Braun is the correct answer because he was a German scientist who indeed invented the cathode ray tube oscilloscope in 1897. This invention was significant in the field of electronics and telecommunications as it allowed for the visualization and measurement of electrical signals. Braun's contribution to the development of the oscilloscope was crucial in advancing scientific research and technological advancements in the early 20th century.

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  • 8. 
    The entire television signal occupies a channel in the spectrum whose bandwidth is  - ProProfs

    The entire television signal occupies a channel in the spectrum whose bandwidth is 

    • 4 MHz

    • 5 MHz

    • 6 MHz

    • 7 MHz

    Correct Answer
    A. 6 MHz
    Explanation
    The correct answer is 6 MHz. The television signal occupies a channel in the spectrum, and the bandwidth of this channel is 6 MHz. This means that the entire range of frequencies used by the television signal spans 6 MHz.

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  • 9. 
    The first inventor to transmit a television image comprised of 60 horizontal lines. - ProProfs

    The first inventor to transmit a television image comprised of 60 horizontal lines.

    • Marvin Middlemark

    • Louis Parker

    • Karl Braun

    • Philo Farnsworth

    Correct Answer
    A. Philo Farnsworth
    Explanation
    Philo Farnsworth is the correct answer because he was indeed the first inventor to transmit a television image comprised of 60 horizontal lines. Farnsworth successfully demonstrated his invention, known as the image dissector, in 1927. This device used a scanning system with 60 horizontal lines to capture and transmit images. Farnsworth's breakthrough paved the way for the development of modern television technology.

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  • 10. 
    Bicol University Vision: A World Class University producing leaders and change agents for ________ and development. - ProProfs

    Bicol University Vision: A World Class University producing leaders and change agents for ________ and development.

    • Societal transformation

    • Social transformation

    • Societal transportation

    • Social information

    Correct Answer
    A. Social transformation
    Explanation
    The correct answer is "social transformation." This aligns with the vision of Bicol University to produce leaders and change agents who can contribute to the transformation of society. It implies that the university aims to educate individuals who can bring about positive changes and improvements in various aspects of society, such as social, cultural, economic, and political spheres.

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  • 11. 
    It is a term used to defined the amount of frequency space occupied by a signal, and required for effective transfer of the information to be carried by that signal. - ProProfs

    It is a term used to defined the amount of frequency space occupied by a signal, and required for effective transfer of the information to be carried by that signal.

    • Baseband

    • Bandwidth

    • Modulaton

    • Heterodyning

    Correct Answer
    A. Bandwidth
    Explanation
    Bandwidth is the correct answer because it refers to the amount of frequency space that a signal occupies. It is important for the effective transfer of information carried by the signal. In other words, bandwidth determines the range of frequencies that can be used to transmit data or signals. A wider bandwidth allows for more information to be transmitted, while a narrower bandwidth restricts the amount of information that can be carried. Therefore, understanding and managing the bandwidth is crucial in ensuring efficient communication and data transfer.

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  • 12. 
    He invented the modern changeable television receiver and is now used as television receivers in the world. - ProProfs

    He invented the modern changeable television receiver and is now used as television receivers in the world.

    • Marvin Middlemark

    • Louis Parker

    • Karl Braun

    • Philo Farnsworth

    Correct Answer
    A. Louis Parker
  • 13. 
    The process of superimposing low frequency signal to a high level frequency is called - ProProfs

    The process of superimposing low frequency signal to a high level frequency is called

    • Baseband

    • Bandwidth

    • Modulaton

    • Heterodyning

    Correct Answer
    A. Modulaton
    Explanation
    Modulation is the process of superimposing a low frequency signal onto a high-frequency carrier signal. This is done to transfer information over long distances efficiently. By varying the characteristics of the carrier signal, such as amplitude, frequency, or phase, the low-frequency signal can be encoded and transmitted. Modulation is widely used in various communication systems, including radio, television, and telecommunications.

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  • 14. 
    The company that developed the "lazybone" as the first tv remote controller first entered in the  american home  - ProProfs

    The company that developed the "lazybone" as the first tv remote controller first entered in the  american home 

    • Westinghouse

    • General Electric

    • RCA

    • Zenith

    Correct Answer
    A. Zenith
    Explanation
    Zenith is the correct answer because it was the company that developed the "lazybone" as the first TV remote controller. The question is asking for the company that first entered the American home with this invention, and Zenith fits this criteria.

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  • 15. 
    The first and most primitive method of recording television programs, production, or news story,  a film made of a live television broadcast. - ProProfs

    The first and most primitive method of recording television programs, production, or news story,  a film made of a live television broadcast.

    • Iconoscope

    • Kinescope

    • Radiovision

    • CRT Osciloscope

    Correct Answer
    A. Kinescope
    Explanation
    Kinescope is the correct answer because it refers to the first and most primitive method of recording television programs, production, or news stories. A kinescope is a film made of a live television broadcast, which was commonly used before the advent of videotape. The other options, Iconoscope, Radiovision, and CRT Oscilloscope, do not accurately describe the method of recording television programs using film.

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  • 16. 
    A video or an audio signal that can be used directly to reproduce the picture and sound. - ProProfs

    A video or an audio signal that can be used directly to reproduce the picture and sound.

    • Baseband

    • Bandwidth

    • Modulaton

    • Heterodyning

    Correct Answer
    A. Baseband
    Explanation
    Baseband refers to a type of signal that carries the original information without any modulation or frequency shifting. It is a video or audio signal that can be directly used to reproduce the picture and sound without any further processing. This means that the signal is in its original form and does not require any additional modulation or conversion to be played or displayed. Therefore, baseband is the correct answer in this context.

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  • 17. 
    These are display panels that  use small cells containing electrically charged ionized gases to generate high quality imagery.  - ProProfs

    These are display panels that  use small cells containing electrically charged ionized gases to generate high quality imagery. 

    • Plasma

    • Liquid Crystal Display

    • LED Panel

    • CRT

    Correct Answer
    A. Plasma
    Explanation
    Plasma display panels use small cells containing electrically charged ionized gases to generate high-quality imagery. These cells are filled with a mixture of noble gases such as neon and xenon. When an electric current is applied to the cells, the gas inside them is ionized, causing it to emit ultraviolet light. This ultraviolet light then excites phosphors on the screen, which emit visible light, creating the image. Plasma displays were popular for their deep black levels, wide viewing angles, and fast response times. However, they have been largely replaced by LCD and LED panels due to their higher energy consumption and shorter lifespan.

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  • 18. 
    He invented a mechanical television system called radiovision and claimed to have transmitted the earliest moving silhouette images on June 14, 1923.  - ProProfs

    He invented a mechanical television system called radiovision and claimed to have transmitted the earliest moving silhouette images on June 14, 1923. 

    • Charles Francis Jenkins

    • John Logie Baird

    • Paul Gottlieb Nipkow

    • Vladimir Kosma Zworykin

    Correct Answer
    A. Charles Francis Jenkins
    Explanation
    Charles Francis Jenkins is the correct answer because he invented a mechanical television system called radiovision and claimed to have transmitted the earliest moving silhouette images on June 14, 1923. This invention was a significant milestone in the development of television technology.

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  • 19. 
    He patented the idea of using arrays of transparent rods to transmit images for television.  - ProProfs

    He patented the idea of using arrays of transparent rods to transmit images for television. 

    • Charles Francis Jenkins

    • John Logie Baird

    • Paul Gottlieb Nipkow

    • Vladimir Kosma Zworykin

    Correct Answer
    A. John Logie Baird
    Explanation
    John Logie Baird is the correct answer because he was a Scottish inventor who is credited with the invention of the mechanical television. He patented the idea of using arrays of transparent rods to transmit images for television, which was a significant development in the history of television technology. Baird's invention paved the way for the transmission and broadcasting of visual images, revolutionizing the field of communication and entertainment.

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  • 20. 
    Troubleshooting is when  practiced by a professional with a touch developed over years of study and practice.  - ProProfs

    Troubleshooting is when  practiced by a professional with a touch developed over years of study and practice. 

    • Troubleshooting as a science

    • Troubleshooting as an art

    • Troubleshooting as a hobby

    • Troubleshooting as a training

    Correct Answer
    A. Troubleshooting as an art
    Explanation
    Troubleshooting is often considered an art because it requires a certain level of intuition, creativity, and experience. It involves identifying and solving problems in a practical and efficient manner, often relying on the expertise and knowledge gained through years of study and practice. While troubleshooting can be learned and trained, it ultimately requires a certain level of skill and finesse to effectively diagnose and resolve issues. Therefore, the correct answer is "Troubleshooting as an art."

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  • Current Version
  • Sep 05, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 05, 2016
    Quiz Created by
    Josarie

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