Computer and its advantage and disadvantage

Computer is an electronic device which takes raw data and process them & produced output. A computer is a machine or device that performs processes, calculations and operations based on instructions provided by a software or hardware program. It is designed to execute applications and provides a variety of solutions by combining integrated hardware and software components.


Disadvantage of computer:-
1) Waste of time and energy:- Many people use computer 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 effect on the social life.

2) Data Security:- The data stored on a computer can be accessed by unauthorized person through networks. It has created serious problems for the data security.

3) 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.

4) Impact on environment:- The computer manufacturing process 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 electric consumed and environment waste generated when using a computer. It includes recycling and regulating manufacturing process. The used computer must be donated or disposed off properly.

5) Privacy violation:- The computer 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.


Advantage of computer:-
1)Assist the physically challenged:- Computer are an excellent tool that can be used to help the physically challenged. For example Stephen Hawking uses a computer to speak, which wouldn't be as easy without computer. Computer are also great tools for the blind with special software that can be installed to read what is on the screen. Finally for those who have a hard time leaving the house, shopping, or socializing. A computer can help with all these tasks.

2)Improves your abilities:- Are you not the best speller, have poor grammar, not great at math,don't have a great memory or need help with something else. By using all of the computers abilities you can improve all of your abilities or if you have a hard time learning you can rely on the computer to assist you.

3)Can help you learn and keep you informed:- The computer and a computer connected to the Internet is a great learning tool and is something that can help answer almost any question and can teach you anything that interest you. You also have access to any news station in the world and can keep up-to-date with all the latest news, weather, and stories around the world. You could even sign up for online courses that teach you about any subject you'd learn in school.

4)Get better understanding of data:- Computer can also give you better understand of data and big data. For example a business could have a database of items they've sold. Using that data they can quickly identify what items sell best at what time of the year, when to mark up and down an item, and what items are not selling. Having access to this type of information can give the business a better understanding of their customers and a competitive edge against their competitors.

5)Help sort, organize, and search through information:- A computer can also use its stored information more efficiently that any other device. In our earlier example we mentioned the ability to store millions of books. Once those books are stored on a computer they can be sorted into categories, alphabetized, and can be searched to fine exactly may be looking for in less than a minute. Trying to find the same text ina million books would take a human months if not years.