Question

回答这个问题，用英语，不是翻译

1. What are the advantages anddisadvantages of computers?

Answer 1

Advantages of computer:
Computer has made a very vital impact on society. It has changed the way of life. The use of computer technology has affected every field of life. People are using computers to perform different tasks quickly and easily. The use of computers makes different task easier. It also saves time and effort and reduces the overall cost to complete a particular task.
Many organizations are using computers for keeping the records of their customers. Banks are using computers for maintaining accounts and managing financial transactions. The banks are also providing the facility of online banking. The customers can check their account balance from using the internet. They can also make financial transaction online. The transactions are handled easily and quickly with computerized systems.
People are using computers for paying their bills, managing their home budgets or simply having some break and watching a movie, listening to songs or playing computer games. Online services like skype or social media websites are used for communication and information sharing purposes.
Computer can be used as a great educational tool. Students can have access to all sort of information on the internet. Some great websites like Wikipedia, Khan’s Academy, Code Academy, Byte-Notes provides free resources for students & professionals.
Moreover, the computer is being used in every field of life such as medical, business, industry, airline and weather forecasting.
Disadvantages of computer:
The use of computer has also created some problems in society which are as follows.
-Unemployment:
Different tasks are performed automatically by using computers. It reduces the need of people and increases unemployment in society.
-Wastage of time and energy
Many people use computers without positive purpose. They play games and chat for a long period of time. It causes wastage of time and energy. Young generation is now spending more time on the social media websites like Facebook, Twitter etc or texting their friends all night through smartphones which is bad for both studies and their health. And it also has adverse effects on the social life.
-Data security
The data stored on a computer can be accessed by unauthorized persons through networks. It has created serious problems for the data security.
-Computer crimes
People use the computer for negative activities. They hack the credit card numbers of the people and misuse them or they can steal important data from big organizations.
-Privacy violation
The computers are used to store personal data of the people. The privacy of a person can be violated if the personal and confidential records are not protected properly.
-Health risks
The improper and prolonged use of computer can results in injuries or disorders of hands, wrists, elbows, eyes, necks and back. The users can avoid health risks by using the computer in proper position. They must also take regular breaks while using the computer for longer period of time. It is recommended to take a couple of minutes break after 30 minutes of computer usage.
-Impact on environment
The computer manufacturing processes and computer waste are polluting the environment. The wasted parts of computer can release dangerous toxic materials. Green computer is a method to reduce the electricity consumed and environmental waste generated when using a computer. It includes recycling and regulating manufacturing processes. The used computers must be donated or disposed off properly.