The invention of computer is one of the greatest advances in modern technology. It is a fairly recent invention. Computer is a substitute for the human brain. Computers are capable of doing extremely complicated work in all branches of learning. In a few minutes a computer can perform calculations that trained mathematicians would need years to complete. The fastest computers can handle millions of problems in a few seconds. It can perform many operations at a time and the same time without any confusion. Now-a-days computer has become very sophisticated and it can be put to various uses. It is already used in industries and in Universities. It can run a business, play chess or even compose music. It has great benefited us. It-has brought about revolutionary changes in human civilization.
Deforestation means cutting down trees in large number. The causes of deforestation are many. People cut down trees to draw quick profit from them. To get more space for cultivation people are clearing forest land. Besides these, the lucrative price of wood allures people to cut down trees. Deforestation has a long-term bad effect on our life. This disturbs our ecological balance. The existence of birds and animals are threatened. Due to deforestation carbon dioxide increases. As a result, global ar occurs. Today due to global warming the sea level is rising and many part of the world are going to be engulfed. On the other hand, new areas of the world are turning into deserts as an immediate effect of deforestation. We may face the problem of flood, soil erosion and drought etc. We can take many measures to prevent deforestation. Tree plantation programme should be expanded to the remote corner of the country. The government should introduce more T.V. and radio programmes on the subject of deforestation. The common people should be informed of the danger of influence the common people to plant more and more trees.
Early rising is the habit of getting up from bed early in the morning. If one wishes to rise early in the morning, he can make it into a habit. This habit is very useful to a man. It improves his health and gives him energy. An early riser can perform his daily work in time. He has nothing to worry; He is never in haste. On the other hand, a person, who does not get up early generally faces some problem. He may be late for office, may miss schedule or even fail to perform his daily work timely. He also suffers from bad health. He cannot enjoy the fresh air of the morning. Early risers, on the other hand, can take the advantages of a beautiful time. They can go out for a morning walk. They can hear the songs of birds, see the smiling leaves and flowers and can inhale the pure morning air. They can perform their morning prayer. All these help them enjoy a healthy life physically and mentally because the nature is completely calm and quiet then. The beautiful gifts and colorful nature reminds everybody of the almighty creator. So, the early riser can enjoy all these and be benefited. An English proverb says, Early to bed and early to rise makes a man healthy, wealthy and wise. So, we should be sincere to form the habit of early rising.
Electronic mail is popularly known as e-mail. It is a wonderful Invention of communication technology of our modern science. It has brought a dramatic change in mode of communication. E-mail is very helpful for the students. They require studying many books. But all are not available in the libraries of their schools, colleges and universities. E-mail offers them the opportunity to collect any information from any book. It is very easy to use. Besides, by using e-mail the users can save their times. It has other advantages. It reduces the consumption of paper in the offices. So e-mail saves money as well as time. Through e-mail, messages can be transmitted from one country to another within seconds. It is cheaper than telephone calls. So nowadays trade and commerce has become greatly dependent on this speedy type of communication. But e-mail is not being widely used in our country. To adjust with the modern world, the young generation of our country, must be habituated to using e-mall.
Internet is a modern international computer network. It is a speedy transmitting system of information with the help of computer and networks. lts functions are smooth, easy and rapid. It is a milestone In the modern world of communication. Many educational institutions are greatly benefitted through the use of internet. Through it we find much important information stored in the computer. It plays an effective role in the field of trade and commerce. Internet based e-commerce has become very popular to the customers. Because the customers can buy or choose anything without going to market. Students can go through books from the libraries without going there. In the near future, the students will be able to take their class lecture from anywhere of the world through Internet. In India Internet has opened a new dimension in-our communication system. But the use of Internet in our country is still expensive. Both government and private sectors should work together to make internet cheap so that everybody can use it.