<B>A lot of things have been discussed about the introduction and use of information technology
### ★Introduction:
The use of information and technology has existed throughout the twenty-first century of globalization. Though its delay in Bangladesh is widely used. It is imperative that without the technology, the whole world is inaccessible today. From technology to search, business, education, agriculture, home-care, in-house, in-house, in all the areas in the world today. Without the use of technology, nothing in today's world can be imagined. So, each of us has the right to have the knowledge of technology.
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### ★Identity of Information and Technology:
At first we have to know what information technology is? There is a great difference in the meaning of information technology, though it is used together. The information is data or data, which is the means of our technology. And technology is the last and most amazing discovery of science. Several electric appliances powered by electricity. Throughout the Middle Ages, through the modern era, many modern scientists of the Tire and hard work, today's modern technology, whose name is Computer. With this name everyone is more familiar. A skilled technician uses this computer technology to get the opportunity to study information, data, and edit with the result obtained through the processing of data or data. The present era is the age of computer. It is very difficult to see any computer with no computer system. The use of this computer technology will be used to look at wherever you look at home and abroad, in space, in the ocean, in education, in medical practice. The electrical components that are spread around us are also involved in computer technology. I had to use computer technology to make this article useful to reader's reading or reading. Not only is it necessary to use computer technology to read it. Computer technology has been used to create and control electronics, toys, video games, TVs, refrigerators, VCDs, CDs etc. So without the computer technology the current world can not be imagined.
[*Information Technology: Introduction And What Is All About*](url)
### ★What is a computer:
We are all modern and advanced inhabitants of the world. The device which has contributed the most to improve this modern paper more advanced and faster is called Computer. This is a phenomenal discovery of science. Before presenting the computer, we are giving a very small example. We are all less familiar with the name of the calculator and we also know its work. It can do the work of adding, subtracting, multiplication, division, etc. This type of large calculator machine is our computer. However, the number of calculators like numbers and numbers do not work on our computer With figures and numbers, he can also work with information. The computer's biggest match with a small calculator is that the calculator, like the number and the number of computers complete its work. However, the computer can perform more complex tasks faster than the calculator.
The examples of the Arabian novels and its lamps are applicable here. The miraculous monster of Aladdin lamps, such as the eyes of the eyes, did all the hard work. The computer is capable of doing many complex and difficult tasks just like that. However, these things can not be done either by its own intention or not. The alignin giant had to do all the work according to the order, the computer was exactly the same. The order or order given to him will also be done as per the instructions. He will not do anything beyond the order.
After pressing the calculator's 2 text button and then pressing the '(') sign button, then pressing the 3 text button and pressing the equal button (=) to know the result, the result of the calculator will definitely be 6. All the steps in phases to achieve this result, but we have to do it That is, the calculator has been instructed to 3x with 2. The calculator did exactly that. He has not added yet. If that were the case then the result was definitely 5. That is, the calculator did no work outside the direction. The task we did by pressing the calculator button is to provide information to him or to give him instructions. And what the calculator did was, we found out the results based on the information we provided. The calculator has no role to display for this result. There were already information related to the result in his machine. She just showed the correct and appropriate fruit on her screen by mixing the information inside her with the instructions given earlier.
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### ★Computer information or instructions:
There is no work that the computer can not do. Besides complicated calculations, obtaining information and processing of that information, giving proper results, saving information, complex scientific research, water-land, and control of the sky, etc. also performs many more complex complex tasks. Remember, the computer does not do any of its own. The computer has to be carried through. The computer should be given the right command or instruction for the work that we want to do. For giving commands to the calculator machine such as pressing its button, we also need to do something like this in order to command a computer. There is nothing more to command a non-essential computer Have there. But the key to it is main- keyboard and mouse. By pressing the keyboard letter or number of buttons such as a computer can be given command or command, you can also command a computer with the mouse. But do not forget that the importance of the command on the computer is immense. So, knowing the correct command should be given.
### ★Importance of information on computer:
Since the computer does not do anything by itself, it works based on our command or instruction. Because our command or command should be accurate and accurate. If there is a wrong command, the computer will not work or display any false results. Or, if the command is wrong, the dialog box will appear to us or inform us that if this command is wrong, then we will try to understand the nature of the incident or the brawl will be faced with a small example.
Suppose, a long time ago, a childhood friend appeared in our house. He has to be well-groomed - but there is no good food in the house. There are two employees in the house. One human and another machine is human, the second is a robot employee. Both of them work at home. The friend was sent to the neighboring market to bring special brand food to the hospital. But none of them were told that if the brand does not have food, then it will have to return home or bring some other good brands of food. After a while the human employee came to know that no such brand of food is being available in the market. Other brands of good brands are available to bring it. Machine (robot) employee but did not return. Because the poorly-looking brand is looking for the food from one store to another. Once it is seen that the energy inside the battery is gone and he is lying on the side of a road. It is not a mistake because it is computer-controlled. It will be obeyed as it is instructed. If he was told that if he did not get the food of that brand, he would have to bring food to another good brand or return to his home, he would do so. If we can not give the correct instructions in this way, our computer will behave similarly. From this example we find many differences between man and computer. Humans have their own intelligence or intelligence that is not computer. The computer does not even have the power to make a decision, but the people have it. The computer has no own intelligence or intelligence, she can not do anything on its own. Computer is an inert object, electric device or electrical device. On the other hand, the best creature for creating humans. People can control the computer but computers can not control the people.
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### ★Computer Job Description:
There is no work that the computer can not do in the modern world. Computer is the work of all works. The bill is worth billions, all complex business issues are collected, data obtained through processing, delivering results, saving information, complex scientific research, water , Control of land and air traffic etc.. Today computers are used in domestic work including education There is no calculation of how much work the computer has done. On paper, the paper will be weighed down on some paper and publishing it. Some computer-controlled robots have collected all kinds of information and sent it to the world in the name of Surajarna Mangal on the planet. He was controlled but with the help of computer from the world.
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Today, in many developed countries of the world, the education of low-level boys and girls is being taught. With the help of computers, basic and complex tasks like writing are also being learned by the computer. Many deaf and blind students are using computer technology to learn their daily school work. Most of the advanced countries did not have modern vehicles Is ntrana computer. Specifically, the subway, which ships under the sea many submarines, submarines, sending rockets on the outer boundary of the space, creating artificial satellite and sending it to space, inventing new planets and sending unmanaged computer controlled vehicles, initial forecast for storm-earthquake etc. , Etc. All are working in the computer U exchange. In this case, the computer has made a great contribution and role. We are all familiar with the name of Internet. This internet is a special computer for sending information from one computer to another computer. If the computer has an Internet connection, then it can be transmitted to one end of the world on the other end of the computer. The computer at this speed is very fast.
Computer contribution to modern printing industry is immense. The manpower is less than the previous, the print quality is a few times better. In this technology, the text or the sentences are composed by the computer keyboard, printed on the tracing paper with the help of a laser printer. The printed paper specially designed offset press plate. Place this plate on the machine and print out on paper. Apart from the modern photography, it can not be imagined without a computer. Many of these cartoon pictures are very popular, especially for kids. These are all done to make this picture using computer technology. Also, some of the risky scenes of the film are done with the help of this compiler. In particular, people do not use complex tasks such as jumping from the mountains, flying air in the sky, running ships or submarines deep in the sea. Computer technology is used From these descriptions it is clear that there is no work that the computer can not do. But the computer can not do these things by itself. The man orders him to do this, and according to the instructions, the computer performs all the tasks.
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