History Of Television System Quiz

The term "broadcast" refers to the act of sending out information or signals in all directions. In the context of television, it specifically refers to the transmission of audio or video content to a wide audience through radio waves or other means. This term is commonly used to describe the dissemination of news, entertainment, or other programming to a large number of people simultaneously.

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".

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.

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.

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

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.

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.

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.

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.

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.

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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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.

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.

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.

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.

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.

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.

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.

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."