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Definition of Internet

Definition. The Internet is a network of networks, linking computers to computers sharing the TCP/IP protocols. Each runs software to provide or “serve” information and/or to access and view information.

Internet is not the only network of networks but it has three components:
1.    Network of networks
2.    Network with information and resources
3.    Users on the network

Let us see some facts about Internet:
•    The Internet is the transport vehicle for the information stored in files or documents on another computers.

•    It can be compared to an international communications utility servicing computers. It is sometimes compared to a giant international plumbing system.

•    The Internet itself does not contain information. It is a slight misstatement to say a “document was found on the Internet.” It would be more correct say it was found through or using the Internet. What it was found in (or on) is one of the computers linked to the Internet.

Applications and Uses of Internet

The development of the internet is not an end in itself; it is a means by which the people can achieve a broad range f economic and social goals.

This internet can be used by all, not just by scientists and engineers. As entrepreneurs, factory workers, doctors, teachers, federal employees, and citizens, people can use this technology to:
•    Create jobs, and lead towards growth.
•    Reduce health care costs while increasing the quality of service in underserved areas;
•    Deliver higher-quality, lower-cost government services;
•    Prepare our children for the fast-paced workplace of the 21st century; and
•    Build a more open and participatory democracy at all levels of government.

Economic Application

The Internet will help create high-wage jobs, stimulate economic growth, enable new products and services, and strengthen overall economy of the country. Below are some f the potential benefits to the economy:

(i)    Economic growth: Internet can help to increase the economic growth and productivity of any country.

(ii)    Job creation: Industry experts believe that the personal Communications Services industry, a new family of wireless services, could create as many as 300,000 jobs in the next 10-15 years.

(iii)    Regional, state, and local economic development: In today’s knowledge-based, global economy in which capital and technology are increasingly mobile, the quality of America’ information infrastructure will help determine whether companies invest here or overseas. States and regions increasingly recognize that development of their information infrastructure is key to creating jobs and attracting new businesses:

(iv)    Electronic commerce: Electronic commerce (e.g., on-line parts catalogues, multi-media mail, electronic payment, brokering services, collaborative engineering) can dramatically reduce the time required to design, manufacture, and market new products. “Time to market” is a critical success factor in today’s global marketplace.

Application in Health Care

The Internet can help solve global health care crisis. These problems will not be solved without comprehensive health care reform. Better use of information technology and the development of health care applications for the internet, however, can make can important contribution to reform. Experts estimate that telecommunications applications could reduce health care costs by $ 36 to $100 billion each year while improving quality and increasing access.

Below are some of the existing and potential applications:

•    Telemedicine : By using telemedicine, doctors and other care given can consult with specialists thousands of miles away; continually upgrade their education and skills; and share medical records and x-rays.

•    Personal Health Information Systems: Every country can use computers and networks to promote self care and prevention by making health care information available 24 hours a day in a form that aids decision-making. Most people do not have the tools necessary to become an active and informed participant in their own health care.

•    Computer-Based Patient Records: The Institute of Medicine has concluded that Computer-Based Patient Records are critical to improving the quality and reducing the cost of health care.

3.    Application of Internet in Civic Networking

Technology in the public Interest. The benefits of the Internet extend fare beyond economic growth. As the Center for Civic Networking observed.

The Internet could be used to created an “electronic commons” and promote the public interest in the following ways:

(a)    Community Access Networks: Grass-roots networks are springing up all over the country, providing citizens with a wide range of information services.

(b)    Dissemination of Government Information: The free flow of information between the government and the public is essential to a democratic society. Improvements in the National Information Infrastructure provide a tremendous opportunity to improve the delivery of government information to the taxpayers who paid for its collection; to provide it equitably, at a fair price, as equitably as possible.

(c)    Universal Access: The internet must be used to bring people together, as opposed to allowing a further polarization between information “haves” and “have nots.”

4.    Application in Science and Technology

One of the central objectives of the Internet is to increase the productivity of the research community and enable scientists and engineers to tackle “Grand Challenges,” such as forecasting the weather, building more energy-efficient cars, designing life-saving drugs, and understanding how galaxies are formed.

Below are just a few of the ways in which this technology is being used by world researchers:

(a)    Solving Grand Challenges: As a result of investments in high performance computers, software, and high-speed networks, researches has been able to more accurately model the resources. As a result, scientists and engineers have been able to more accurately model the Earth’s climate; design and simulate next-generation aircraft (the High Speed Civil Transport); improve detection of breast cancer by turning two-dimensional MRI images into three-dimensional views and enhance the recover of ail and gas from America’s existing reservoirs.

(b)    Enabling Remote Access to Scientific Instruments: Because of advancements in networks and visualization software, scientists can control and share remote electron microscopes, radio telescopes, and other scientific instruments.

(c)    Supporting Scientific Collaboration: The Internet has allowed scientists around the world to access databases, share documents, and communicate with colleagues.

5.    Application in Education

Increasingly, what we earn depends on what we learn. World must be well-educated and well-trained if want to compete internationally and enjoy a healthy democracy.

6.    Application in E-Governance

Internet can help to provide a government, which is effective, efficient and responsive. Moving from red tape to results will require sweeping changes: emphasizing accountability for achieving results as opposed to following rules; putting customers first; empowering employees; and reengineering how government agencies do their work.

(a)    Develop a nationwide system to deliver government benefits electronically: The government can cut costs through “electronic benefits transfer” for programs such as federal retirement, social sacristy, unemployment insurance.

(b)    Develop integrated electronic access to government information and services: Currently, citizen access to federal government information is uncoordinated and not customer-friendly. Electronic kiosks and computer bullet-in boards can result in quick response, complete information, and an end to telephone tag.

(c)    Establish a National Law Enforcement/Public Safety Network: Whether responding to natural or technological disasters, or performing search and rescue or interdiction activities federal, state, and local law enforcement and public safety workers must be able to communicate with each other effectively, efficiently, and securely.

Disadvantage of Internet Business

1.    Security: Security issues are the primary concern and the biggest disadvantage of using the Internet for business, particularly if your business involves financial transactions.

2.    Staying connected: Connectivity issues can also become a disadvantage, if you are using a computer that is not reliable and is prone to locking up, or “freezing.”

3.    Availability: Not everyone has Internet access, and many of your potential customers who are not able to use the Internet may actually be lost to you if you do not provide an alternate means of doing business with them.

4.    Access: If you are going to use the Internet for business, you must consistently be able to get access, whether through a wireless, DSL or cable connection. Finding access can become a disadvantage if you travel for your business.

5.    Misunderstandings: Written text, especially in emails, can easily be misread of misinterpreted when there is no face-to-face contact.

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