A computer has already become an inseparable part of life. It helps a doctor I his diagnosis ; it helps an engineer in his multifarious activities; guides a pilot or a navigator to safety; it helps a public or a private official or businessman in more ways that one. It is an important part of every institution, every office and every establishment public or private in several countries. A computer is basically an electronic calculating machine. It performs, complex and enormous calculation with tremendous speed, precision and diligence.
It accepts data, performs operations according to instruction and provides the results of the operations. In addition to its speed in performing complicated calculations, the computer has an ability to reproduce, rearrange and reconstruct information that can prove an invaluable asset in science, medicine, technology or any other branch of knowledge.
The heart of the computer is the integrated circuit. Each circuit can carry out millions of calculations in a second. The first computer was huge in size 51 feet in length and 8 feet in height. Soon computer technology was modified. We are now using the fifth egeneration computers in the advanced countries of the world. The development of computer is now directed towards a process of the miniaturization of the components.
Today a chip of silicon, smaller than the thumb nail of an infant, can accommodate all the elaborate electronic circuits that make the brain of the computer. From the huge computer of earlier days, computer has covered a long road to Pentium Computers that are able to process complicated data in a matter of seconds.
The key to how artificial intelligence machines will work lies with new style programes and software. Communication between man and machine is expected to be raised to the level of human communication. The human brain is not capable of retaining, for example the massive and ever increasing base of medical knowledge.
So the computer will acts as an assistant with all the information. The Uses of computers are too many. The computer performs the assigned tasks in seconds. The solutions are correct to the minutest detail. Today there is a computer at the beck and call of every research worker, every senior doctor, engineer or technician.
It is on the road to produce robots to assist the housewives in their daily household chores. Portable computers are being used by people in business to make complex calculations.
The CAT Scanner provides doctors with a view of the whole human body. The computer has now entered almost every field of human activity. A mere pressing of a button can off-load your heavy mail let you know all statistics on various subjects, place before you and control your other machines. Programmed computers are being used in controlling and monitoring the movement of traffic, reservation of seats in airways and railways, in educational institutions, in defense establishments, in ships and planes all over the world.
In India, computerization of important sectors like defense, energy, steel, mining, cement, railways, airlines, communication and education has already taken up. There is need for adequate trained manpower without which computers cannot be effectively utilized. Although the use of computers has phenomenally grown, it has some fundamental limitations.
The computer cannot exercise judgement or commonsense. It has to be meticulously instructed in the programme and it acts as it is instructed.
Also the use of computers is adding to unemployment all over the country as a single computer can do the work of hundreds of manual workers. Though there are a few problems or irritants, it cannot be denied that computers are a boon to humanity. No country in the world can afford to ignore this very important machine. The computers have so revolutionised the day-to —day life of human beings that it has encompassed its every activity. One can visit every nook and corner of the world and glean any sort of knowledge from website.
And it is not the end but the beginning of a revolution. A computer is a marvellous invention of our times. It performs various functions faster and more accurately. It can be used to do any kind of work. It allows us to make changes in the already stored data as well as store new data. Computer is a big dictionary. We use to save any type of large amount of data like information, study materials, projects, photos, images, video, audio, songs, clips, games, and many more in computers.
The computer is used in railways and airports. Reservations and cancellation of the tickets are done on the computer. It controls and regulates the arrival and departure of trains as well as aeroplanes. Computers are necessary in printing book and news papers. Computers also develop social skills. In a classroom setting with many other students, or in a home when the students friends or parents are available, children often prefer working with one or two partners over working alone, which leads to the development of social skills.
Lastly, computers benefit children with special needs in the school system. Computers have proven extremely beneficial to students with certain speech, audio, and motor limitations.
Students with special needs can use alternative input and output devices to interact with computers and do things that they normally could not accomplish independently. What they can do through using a computer boosts their self-esteem and provides them with a greater sense of control with the world around them and their own individual lives. The Internet— or the information highway — provides them with the best of knowledge for their treatments and they can keep in touch with doctors or friends through out the world with the Internet.
What are poor people or third world countries supposed to do when it comes to technological advances and they have no money? Does it really seem fair that poor people or third world countries get left behind, while other countries move forward in the technology world? You can order a custom essay, term paper, research paper, thesis or dissertation on Computer Technology at our professional custom essay writing service which provides students with custom papers written by highly qualified academic writers.
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A computer is an electronic device capable to receive information (data) as input and give result as output after performing the sequence of operations (variable set of procedural instructions). Long and Short Essay on Computer in English. Find very simple to write and easy to learn essay on computer.
To run a computer, it is the programming that decides and it should be run in a computer. Programming is defined as a set of instructions allotted to the computer that accepts it in order to solve a problem. Desktop Computer: Mostly called personal computer (PC), design to fit completely on a typical desk of office or home. It mainly comes with a monitor, a minitower or horizontal casing. Today, mostly. Casing contains processor, hard disk in gigabytes, built-in modem, LAN port, USB ports and CD-ROM. Over the past few years.
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