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the world has reached to scientific era from the stone age. the calculation in old times was difficult but it has been easier after the invention of calculator. one of the most advance forms of calculator is computer. computer is derived from the latin word ‘computare’ which means ‘to compute’ or ‘to calculate’. computer is the most important invention of the 20th century. computer is the most powerful device to help the development in the field of data processing and research. so, it has become almost unavoidable in modern technologies. there are many advantages as well as disadvantages of using a computer. having computer certainly has some disadvantages but there are many good aspects of it too. computers are applicable in all fields including home, business, school, hospitals, military, defense and many more. by the help of computers we can do accounts on them, learn languages from them, write letters on them, use them to control central heating, and in some places even do our shopping with them. moreover, computers are used in industries, agriculture, medicine, tourism, banking network and communication. it is also used in small business offices to handle day-to-day work easily and efficiently. so now, computer are used in almost all fields in developed countries like japan due to their capacity of calculating very fast and accurately, collecting data from a remote work station, storing immense data and not being tired, etc. due to the use of computer, the time span of many works has reduced. any works can be done sitting in a place and pressing few keys. it has enabled people to know happenings of the world shortly after it happens. computer has made it easier for people to communicate in addition to saving time and money. a chance of miscalculation is very less if done with computer than with a human brain. the use of computer in education sector has brought drastic changes in the age-old teaching materials. multimedia system allows teachers to use computer for the effective educating. as in business and education computer is useful at home. computers are more leisure as many kinds of unpleasant works are done by computerized robots. leisure time of family members does not become burden. they can sit at a place and spend time watching any movies they like. computer puts a stop to writing letter, posting it and waiting for the reply. needless to say computer has numerous advantages. nonetheless using computer has disadvantages too. use of computer results into unemployment as computer can perform the duty that might need nearly six to seven workers. unemployment is likely to result into crimes. the people who spend all their time talking to computers will forget how to talk to each other. they are completely mechanized. their memory is also lost because computers do everything and they do not need to think. continuous work with computer causes loss of eyesight in the long run. internet is widely used to see pornographic scenes, corrupts the mind of teenagers. due to it, sex violence increases rapidly. also, due to internet a problem of spamming is widely seen among the teenagers. when computers teach all things to the people, people can forget to use pens and paper and typewriters and forget to learn languages in classroom with real teachers. computer has direct impact on culture of any nation. the eventual impact of computer in society is uncertain, but they are likely to cause total disorder in society. the fearful situation will come when computers may take over human beings. therefore, there are many computer lovers and haters in this world. though, there are some drawbacks of the computer, yet there are many advantages which help in the development of country’s economy. as the process of development does not stop, the time and situation also demand changes. so, computers have become the most essential even in the developing countries like nepal. also, faults are not inherent: they are man made. as faults are man-made, they can be reduced and computer can be used for the benefits of human beings.
संसार स्टोन युगबाट वैज्ञानिक युगमा पुगेको छ। पुरानो समयमा गणना गाह्रो थियो तर क्याल्कुलेटरको आविष्कार पछि सजिलो भएको छ। क्यालकुलेटरको सब भन्दा अग्रिम फारम मध्ये एक कम्प्युटर हो। कम्प्युटर ल्याटिन शब्द 'कम्प्युटर' बाट आएको हो जसको अर्थ हो 'गणना गर्न' वा 'गणना गर्न'। कम्प्युटर २० औं शताब्दीको सबैभन्दा महत्त्वपूर्ण आविष्कार हो। कम्प्युटर डाटा प्रसंस्करण र अनुसन्धानको क्षेत्रमा विकासलाई मद्दत गर्ने सबैभन्दा शक्तिशाली उपकरण हो। त्यसैले म