Define Electronic Mail With It’s Advantages & Disadvantages.

Electronic Mail

The internet is becoming an integral part of our everyday lives. Today’s Internet is a constantly evolving tool, that not only contains an amazing variety of information, but also provides new ways of accessing, interacting and connecting with people and content. The internet is the largest computer network in the world, connecting millions of computer. It spreads across the globe and consists of countless networks and computers, allowing millions of people to share the information. It is a combination of several media technologies and an electronic version of newspapers, magazines, books, catalogs, bulletin boards, and much more. It can be called mother of all networks.
The Internet has expanded at a phenomenal rate over the last few decades. The world is now tied together in a computer web. It is easiest and cheapest way to access valuable information.What Are The Core Features Of Internet

What Are The Core Features Of Internet?

Electronic Mail (e-mail) is one of  the most popular services of the internet. Electronic mail is the transmission of message over communication networks. The messages can be notes entered from the keyboard or electronic files stored on disk. The first e-mail was sent by Ray Tomlinson in 1971. A computer, network connection and an e-mail address are needed for using e-mail.

Advantages of an E-mail
The advantages of an electronic mail are as follows:

  • E-mail enables speedy communication.
  • E-mail provides the receiver an option to respond immediately.
  • E-mail is a low cost way to transmit messages.
  • E-mail message are always easy to locate.

Disadvantages of an E-mail
The disadvantages of an electronic mail are as follows:

  • Lack of computer knowledge among people, so not sure all receiving parties use email system.
  • Unwanted SPAM emails.
  • Illegal contents including VIRUS damages end user systems, data and reputation.

Network Models
Computer network refers to a group of networked computer i.e., computers that are linked by means of a communication system. Networks can be organized into three basic models. They are centralized computing, client/server and peer-to-peer. Centralized computing models are used with mid-range and mainframe computers usually running a UNIX-based operating system. Centralized computing model offer the greatest level of performance but at the greatest cost as well. Client/Server is the most popular configuration, because of its versatility and power drawing mainly from the vast variety and higher performance of specialized server hardware. Client/Server and peer to peer are used with PC networks. The peer-to-peer model is the simplest to implement and assemble.

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