600-word TV expository composition

Everyone has been exposed to writing in study, work or life. Writing is an important means to cultivate people's observation, association, imagination, thinking and memory. I believe many friends are very upset about writing a composition. The following is a 600-word TV explanatory text for reference only. Welcome to reading.

About TV Explanatory Writing 600 words 1 Do you know who I am? By the way, I am a famous TV set. I am a good partner of mankind. With me, people's lives have become colorful.

I am wearing a silver-gray coat, which looks very elegant. I have a rectangular face called "Screen". My ears are on both sides of my face, which is called stereo. My hand, which is called "remote control" by people!

Although I am big and clumsy, I can play a big role! I can not only transmit the moving visual picture in time, but also use the human vision and afterimage effect to gradually present the forbidden picture frame by frame, thus forming a visually moving picture! If the meteorological station wants to report the weather forecast and tell people whether the weather tomorrow is suitable for travel, it must report to you through me; If the host wants to broadcast the news and tell people what's new these days, he has to tell everyone through me; If scientists want to tell you what diseases to prevent and what to pay attention to, they have to tell you through me. If the host wants to use me to listen to music to relax, just pick up my hand and press it gently on the channel with songs, and beautiful music will be played from my ears ... My rich functions bring a lot of happiness and convenience to the host.

Although my role is great, there are still some shortcomings. One of my shortcomings: I'm afraid of water. If water is pumped into my brain, I will die of short circuit. So, by the way, don't pour water into my mind, otherwise I can't wait on you. Less than two: damage to the owner's vision. The host can't resist my temptation. He uses me to watch programs whenever he is free. At first glance, it takes an hour. I am really worried about my master!

After listening to my self-report, do you know me better? As long as you use me correctly, it will definitely make your life more convenient.

About TV commentary composition 600 words 2 My family has an old electricity. When you see the word "old electricity", you must wonder who this old electricity is. Ha, it's TV.

My old TV is a smart TV, which has many functions you can't imagine. Let me introduce them to you one by one!

First of all, turn on the TV, there will be many channels, all suitable for everyone to choose. Old people's Peking Opera, children's cartoons, mother's TV series … Old TV can also download software and even games like mobile phones. Playing games on TV is so fresh.

If you are tired of watching TV and want to relax by listening to songs or singing, TV will also play for you. Singing is ok, but you need to buy a microphone.

My TV can not only play games, listen to songs … but also study. There is an "education" channel in it. If you are tired of playing, you can calm down and study, and combine work and rest!

If you want to watch the news at breakfast in the morning, you can. What big news will be presented in pieces recently?

This old battery has two very unique advantages, and I'm sure you will like it.

First, you can cast a screen. If you want to watch something on your mobile phone, but the mobile phone can't watch it for one reason or another, you can watch it on TV, so that everyone can see it and you don't have to watch the mobile phone together.

Second, you can talk. If you want to watch something on TV, but can't remember where to find it, you can use voice at this time. There is a voice button on the remote control. All we have to do is say what you want to see, and it will appear immediately. You don't have to look around anymore.

Do you already know something about old batteries through the functions I introduced above? Isn't my old battery amazing? So is there such an old electricity?

About TV Explanatory Composition 600 words 3 "TV" is a good friend for us to relax. Although "TV" won't talk to me, it is the person I want to see every day. I haven't seen Sanqiu for a day, which is my unforgettable portrayal of it.

Everyone's favorite TV programs are very different. My younger brother likes to watch humorous animation programs, such as Doraemon. His treasure bag always makes his brother dumbfounded and envious. He hopes that he is a hero, and he can always solve difficulties easily. Dad likes watching online programs-I'm a singer. Whenever a singer sings touching words, he will always see tears in his eyes, and sometimes he will stand up and applaud, so intoxicated and so devoted. Grandma likes watching the Feng Shui family. She often asks why the bad guys are not punished. Good is rewarded with good, and evil with evil, isn't it? My mother likes watching Korean dramas and China dramas. Just a few weeks ago, on the second day of the weekend, she wore pajamas and watched 20 episodes of Empresses in the Palace day and night, as if she were possessed. Mom said, TV is really a good friend of a house girl with a yellow face!

There are many programs on TV that accompany us to relieve stress and boredom, sometimes make us laugh or feel sad, and some programs increase our knowledge and knowledge. The quality of broadcast content is good or bad. The teacher once told us that although TV entertainment is funny, some entertainment is for the effect; Some programs are bloody, and some dialogues are vulgar and not elegant. Don't imitate them, lest you learn badly. And watch TV for an hour, rest for half an hour, let your eyes rest and keep a proper distance, so it is not easy to be nearsighted.

Television has various functions and rich contents. As long as you choose TV programs carefully and don't indulge, you can not only broaden the knowledge that our school can't learn, but also learn some international events. After all, now is the global village, and you need a broad vision to connect with the world.

About TV Explanatory Composition 600 words 4 TV "grew up with me, and everyone laughed at me as a" TV kid ". He is already a member of our family. You can still talk to him when you have dinner with us every night! As the saying goes, "Without knowledge, you must have common sense. If you have no common sense, you should always watch TV. "TV has a lot of functions." A scholar can know what's going on in the world without going out. "Is now the role of television. It can entertain the public, predict the weather, broaden our knowledge and understand the development of social current affairs. This is closely related to our daily life. Even if there is an earthquake now, TV can broadcast it immediately.

"TV" really attracts me. There are various programs, including cartoons, movies, series, food programs, news, variety shows and so on. All kinds of wonderful programs dazzle everyone! "Life is like a drama, and drama is like life." I always want to spend more time "making friends" with it every day, and I don't even want to blink my eyes, for fear of missing the wonderful part. Year after year, after a long time, I became a "four-eyed frog", wearing thick and heavy glasses all day, which is very inconvenient! But it brought me a lot of laughter in my life and enriched my boredom. And there are some "bridges" and some "stalks", so I moved to real life and couldn't tell which to learn. What are not suitable for children? Because of this, my parents restrict me from watching TV, but I often use the excuse that I want to accompany my grandmother to watch local opera and learn Chinese by the way, which is the so-called "touching clams to wash my pants". The myopia of the eyes has broken through the 300 mark, which has eclipsed my beautiful and charming eyes. My parents always threaten me that I will become more and more ugly, so I will learn to control the time I watch TV. "It is safe to keep my distance." After all, TV brings us convenience, not inconvenience!

Television lets us know more information and makes our life more colorful.

In the modern information society, television has become an indispensable household appliance. However, do you know who invented television? Do you know how TV works? When was the first TV station built in China? If you don't know, please read the following-

When it comes to television, one person has to be mentioned, and that is Baird. It was he who invented television. 1906, the young Baird began his own difficult road of inventing television. Because of the poor family, the TV set made is also very simple. But that didn't stop him. After 18 years of efforts, Baird successfully launched a cross flower 3 meters away, and then in 1925, Baird successfully showed a man's face clearly on the receiver. Suddenly, Baird shocked Britain. People poured in to support him. Later, Baird began to study color TV sets. 1946, Baird finally succeeded. But he fell ill because of overwork at the age of 58.

The development of television in China was relatively slow, and it was not until 1958 after liberation that the first television station in China began to pilot black-and-white television. 1959, China built the first TV relay station in Wuxi. 196 1 began to officially send CCTV programs to the whole country. As for the color TV program, it is 1973.

The principle of TV image transmission is: first, the whole image is decomposed into pixels, and then the pixels are converted into regular electrical signals, which are emitted by the transmitter. Finally, after receiving the signal, the receiver converts the electrical signal into pixels again. Thus, the whole image clearly appeared in front of us.

Although TV has changed our lives, it has hurt our eyesight after all, so students should watch less!