Because of the many advantages of a computer, it has become an important household item. A computer operated by an individual without any specific computer operator is called as a personal computer (PC). A PC can be a desktop or a laptop computer and can be used at home or at office. As per the requirement of the user, soft wares are installed in a PC. Let’s discuss the advantages of computers. One can write more effectively by means of a computer.
There are tools like spelling and grammar checker, thesaurus and dictionary, installed in the computer. Thus, it takes less time to proofread a written document and also, there is no need to open up a dictionary book to look for meanings of words. Typing is much faster than writing on a paper. If there is a need for reorganizing the sentences or paragraphs, one can cut and paste and make the necessary changes. Thus, overall a computer allows the user to create documents, edit, print, and store them so that they can be retrieved later.
Using a computer, one can remain connected to the world through Internet. Internet is a network of computers that communicates via the Internet Protocol Suite (TCP/IP). The World Wide Web (WWW) or simply web is a huge resource of information that can be accessed via the Internet. To mention a few of the resources, there are electronic mail (e-mail), file transferring and sharing, online chat and gaming. The Internet allows people from around the world to share knowledge, ideas and experiences in any field.
E-mail is a method of communication used globally and is provided with a system of creating, storing and forwarding mails. It may consist of text messages with attachments of audio-visual clips. One can also download or upload files using the Internet. There are also facilities like online chatting available on the Internet. As compared to telephonic conversation, both e-mail and online chat are cost saving. Online gaming is another important resource of the WWW. Many online games are available, which are of common interest for any age group.
In addition, one can read current news, check weather conditions, plan vacations and make hotel and travel reservations, find out about diseases and treatment methods, conduct transactions, learn about specific countries and their cultures, seek jobs, buy products, etc via the Internet. Nowadays, computers are widely used for education and training purposes. In schools, computer education has been made compulsory to spread awareness about computers. As a matter of fact, computers have become a learning tool for children.
Also, there are many universities that provide online degrees, which is very advantageous for those people staying in the remote areas and for the disabled. In fact, online education is one of the most flexible and convenient forms of learning. One can take the benefit of such online degree programs staying at home without the need of relocation. Computers are also used for training purposes. Many companies use them to train their staffs. However, in spite of the many advantages of computers, there are some disadvantages that cannot be ignored.
The easy access to information via Internet has made students lazy in terms of their education since they are able to download information without exploring their topic of research. They also use computers for mathematical tables and calculations without actually solving the problems. Also, it is important for parents to keep a check on the browsing habits of their children as some websites are not meant for their viewing. Other disadvantages include identity theft and virus threat. Computers viruses are harmful to the systems and can be transferred from one computer system to another. |