Write an article on 'uses and misuses of computer' in about 150 - 200 words. divide in 3 paragraphs.
Answers
The data could be text, pictures, numbers, photographs and other type of information, which are used by us in our day to day life. Computer is widely used in different spheres of life. We cannot imagine life without computer.
Computer is an electronic device used for storing and analyzing information fed into it, for calculating, or for controlling machinery automatically. It is a very flexible gadget, which can be used in a wide variety of ways, depending on the requirement and available resources. Micro-processors on small chips control various home appliances. They do automatic fine tuning and colour regulating on television sets and other household gadgets. In offices, computer is used to maintain records, files, prepare payrolls apart from performing various other functions. In hospital, computer is used to diagnose diseases. It helps in carrying out surgeries.
Computer is rendering valuable service to the radars, missiles, rocket launching, automatic flights, etc. We have pilotless aeroplanes which are controlled by computers from the ground stations. Airlines and railways are now offering instant information on bookings with the help of computers. Computers help big business houses in carrying out their up- to-date business. Computers are widely used to solve climatic, industrial, commercial, financial and other complicated problems. In advanced countries, computers are used to regulate and control traffic.
Computer is not blessing in all. It has caused to create many problems. A computer can perform works of several people. It has increased the rate of unemployment. It has replaced scores of people. Often the mistakes made by computers are really blunders. Excessive dependence of man on computers have reduced mental efficiency in human beings. Internet is often used for mischievous intentions. They are used to send false e-mails for malicious intentions to harass the person. Some others try to view those websites that are not meant for them. This is bad tendency and must be checked. Internet should be for development and other good purposes and not for destruction and decay.
Computers have many shortcomings. However, their advantages far outweigh their disadvantages. They are integral part of modern life. We cannot think of life without computers.
Answer:
In this essay on computer, we are going to discuss some useful things about computers. The modern-day computer has become an important part of our daily life. Also, their usage has increased much fold during the last decade. Nowadays, they use the computer in every office whether private or government. Mankind is using computers for over many decades now. Also, they are used in many fields like agriculture, designing, machinery making, defense and many more. Above all, they have revolutionized the whole world.
essay on computer
History of Computers
It is very difficult to find the exact origin of computers. But according to some experts computer exists at the time of world war-II. Also, at that time they were used for keeping data. But, it was for only government use and not for public use. Above all, in the beginning, the computer was a very large and heavy machine.
Working of a Computer
The computer runs on a three-step cycle namely input, process, and output. Also, the computer follows this cycle in every process it was asked to do. In simple words, the process can be explained in this way. The data which we feed into the computer is input, the work CPU do is process and the result which the computer give is output.
Components and Types of Computer
The simple computer basically consists of CPU, monitor, mouse, and keyboard. Also, there are hundreds of other computer parts that can be attached to it. These other parts include a printer, laser pen, scanner, etc.
The computer is categorized into many different types like supercomputers, mainframes, personal computers (desktop), PDAs, laptop, etc. The mobile phone is also a type of computer because it fulfills all the criteria of being a computer.
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Uses of Computer in Various Fields
As the usage of computer increased it became a necessity for almost every field to use computers for their operations. Also, they have made working and sorting things easier. Below we are mentioning some of the important fields that use a computer in their daily operation.
Medical Field
They use computers to diagnose diseases, run tests and for finding the cure for deadly diseases. Also, they are able to find a cure for many diseases because of computers.
Research
Whether it’s scientific research, space research or any social research computers help in all of them. Also, due to them, we are able to keep a check on the environment, space, and society. Space research helped us to explore the galaxies. While scientific research has helped us to locate resources and various other useful resources from the earth.
Defense
For any country, his defence is most important for the safety and security of its people. Also, computer in this field helps the country’s security agencies to detect a threat which can be harmful in the future. Above all the defense industry use them to keep surveillance on our enemy.