RECA ONLINE

It's a bd online English language learning site where you can learn about grammar along with other rules to learn English easily both for writing and speaking.

Showing posts with label wonder. Show all posts
Showing posts with label wonder. Show all posts

Thursday, October 15, 2020

The Uses and Abuses of Computer



Computer is one of the greatest inventions of the modern science. It is such a latest technology which is used almost everywhere. It is an electronic device but it can perform like a human brain. It has the ability to complete more than one task in a very short time. It has the highest rate of efficiency and it is able to work of many human beings alone within less time.

A computer generally works using input and output devices. It uses hardware and software to process any data in it. The data which we put into the computer is called input data and the data which we get from the computer after processing is called output data. It can calculate and solve big problems. It is a big dictionary and large storage device.

This great invention was not invented overnight. It was invented by British professor Charles Babbage. The first computer was a mechanical Computer. It can save any type of large amount of data like information, images, audio, video, study materials etc. So, it is being used in different fields like banks, offices, educational institutions, hospitals etc.

We can browse internet to search any information and communicate with each other with the help of computer. We can save lots of time and effort through the computer and it has also lessened the paper works in governmental or non-governmental offices or institutions.

Computer is very safe and easy for the business transactions. New generation computers are highly advanced. It is being used in almost all walks of life. It is called the backbone of the information technology. It has also negative sides like cyber crime, pornographic websites etc. But it can be protected by taking some measurable steps.

Above all, computer is very beneficial to all the people specially the students. So, computer education must be compulsory in all the schools, colleges and universities in all the countries of the world. 

The Wonder of Modern Science

 


We live in age of science. It has changed the way of life. The world is changing day by day for the wonders of modern science. We can’t go a single without science. Science does many things for the development for human civilization.

The blessings of modern science are notable. Electricity is the first wonder of modern science. It has brought about a great change in our life. Modern civilization itself is indeed the creation of electricity. The industrial revolution has been come out with the help of wonder of electricity. The production is increasing gradually and the cost is reducing. Without it, we would not have had electric lights, fans, refrigerators and all the labor saving devices at home.

It keeps outstanding contribution for modern communication and transportation. Telephone, fax, mobile phone, wireless devices and internet all are the best examples of modern communication. By modern communication, we can save our time as well as money. We can communicate with people easily and within short time. It gives us a new motion of life. Other the other hand, if we look at the modern transportation gives us a lot of pleasures. We can go one place to another place within few moments. Even everyone can go abroad in a short time. Even with the help of science, we have reached the moon.

Computer is the greatest invention of modern science. Only for computer and internet, now the whole world seems to us a global village. Computer makes our world more faster. Every modern science has been changed because of computer.

Science has done undeniable improvements in medical field. It‘s also discovered to find out the diseases as well as the solution. Modern science has increased our average lifetime. That was possible only for medical science. Modern medical science discovered lots of medicines and injection which is saving our every moment.

By the way, Modern science could be dangerous if we misuse it. Men are now destroying the human and beautiful crae3tion in the world by misusing science. Hiroshima and Nagasaki were destroyed at the time of World War II by using atom bombs. Twin Tower was destroyed by misusing modern technology. 

All in all, we can say that everything has negative and positive side if we accept the positive side we can change the world. But if we accept the negative side, we can destroy the world. So, it will be better if we accept the good side and avoid the negative side.