advantages and disadvantages of Television
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Answer:
Explanation:अब बैंक की रुपीस 35 इंटरेस्ट ऑन एव्री रुपीस 1000 डिपॉजिट फॉर अ मंथ हाउ मच मनी सूट अतुल डिपॉजिट फॉर 3 मंथ इन द बैंक सो एस टो गेट एंड इंटरेस्ट ऑफ रुपीस 550
Answer:
- In this busy, expensive life, television is an easy and cheap source of entertainment.
- By watching international news, we are kept informed and up-to-date with breaking news around the world.
- Some shows and channels (like PBS and Discovery) offer educational programs that can increase our knowledge and make us more aware of the world around us.
- Some shows can motivate people who are interested in that field and help them to pursue their dreams.
- TV can expand your mind. Some shows let you travel vicariously and teach you about different people, cultures, ideas, and places you might never encounter in real life.
- Watching too much television is not good for your health. Studies have shown that there is a correlation between watching television and obesity. Excessive TV watching (more than 3 hours a day) can also contribute to sleep difficulties, behavior problems, lower grades, and other health issues.
- Television makes us antisocial, taking the place of family and friends.
- It's a waste of time. Watching television fills the time a person might have spent doing important, enriching things like interacting socially with other human beings.
- There's nothing good on, anyway. With hundreds of channels available, viewers can spend hours just flipping channels trying to find something worthwhile.
Explanation:
LET'S EXPLORE MORE
Television (TV), sometimes shortened to tele or telly, is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and sound. The term can refer to a television set, a television show, or the medium of television transmission. Television is a mass medium for advertising, entertainment, news, and sports.
Philo Taylor Farnsworth was just 14 when he had the idea that would shape the rest of his life. Farnsworth, had aspired to be an inventor since the age of six, writes Evan I. Schwartz for the MIT Technology Review. By the end of his life, he would hold more than 300 patents related to television and other matters.
- Mechanical television
- Electronic television
- Color television
- Digital television
- Smart television
- 3D television
- Terrestrial television
- Cable television
- Satellite television
- Internet television
✧✧Mechanical television
Facsimile transmission systems pioneered methods of mechanically scanning graphics in the early 19th century. The Scottish inventor Alexander Bain introduced the facsimile machine between 1843 and 1846.
Willoughby Smith, an English electrical engineer, discovered the photoconductivity of the element selenium in 1873.
✧✧Electronic television
In 1897, J. J. Thomson, an English physicist, in his three famous experiments was able to deflect cathode rays, a fundamental function of the modern Cathode Ray Tube (CRT).
✧✧Color television
The basic idea of using three monochrome images to produce a color image had been experimented with almost as soon as black-and-white televisions had first been built. Older televisions have the RGB (Red-Green-Blue) color scheme while modern televisions focus on LEDs to create the image.
✧✧Digital television
Digital television (DTV) is the transmission of audio and video by digitally processed and multiplexed signal, in contrast to the totally analog and channel separated signals used by analog television. It is an innovative service that represents the first significant evolution in television technology since color television in the 1950s.
✧✧Smart television
Advent of digital television allowed innovations like smart TVs. A smart television, sometimes referred to as connected TV or hybrid television, is a television set with integrated Internet and Web 2.0 features.
✧✧3D television
Stereoscopic 3D television was demonstrated for the first time on August 10, 1928, by John Logie Baird in his company's premises at 133 Long Acre, London.
✧✧Terrestrial television
Programming is broadcast by television stations, sometimes called "channels", as stations are licensed by their governments to broadcast only over assigned channels in the television band. At first, terrestrial broadcasting was the only way television could be widely distributed, and because bandwidth was limited.
✧✧Cable television
Cable television is a system of broadcasting television programming to paying subscribers via radio frequency (RF) signals transmitted through coaxial cables or light pulses through fiber-optic cables. This contrasts with traditional terrestrial television, in which the television signal is transmitted over the air by radio waves and received by a television antenna attached to the television.