3. THE DIFFERENTS VARIOUS APPLICATIONS OF COMPUTER NETWORK 3.1. ELECTRONIC MAIL (EMAIL) Electronic mail, e-mail or email, email, is a service for the transmission of messages sent electronically via a computer network (mainly Internet) in the electronic mailbox of a recipient chosen by the issuer. 1. How Email Works The working of the electronic mail is based on the use of an electronic mailbox.
SMTP is a language that your mail program uses to speak to the mail server. SMTP lets your mail program specify the list of recipients and the text of the message. Your destination recipient also has an Internet Service Provider. They have a mail server too. When your SMTP server decides that it's time to send your email, it connects to the destination mail server and transmits the message to it.
Other the advantages of email is the ability to store the email messages in electronic mailboxes until the recipient fetches them and have a notification to the recipient when new mail is received. The e-mail technology is growing rapidly with the advent of m... ... middle of paper ... ...8 below show the comparison of this two type of FTP. Figure 8. The Comparison between Active FTP and Passive FTP There also enhancement in FTP technology which are Trivial Fail Transfer Protocol (TFTP) and Secure File Transfer Protocol (SFTP/FTPS). The TFTP are designed for User Datagram Protocol (UDP) with minimal overheads.
Mumbo-Jumbo When a conversation is started about Internet access, one will invariably hear such lingo such as dial-up, DSL, 56K, and modem. It is important to understand these terms to effectively compare and ultimately choose a quality ISP. Dial-up: a two wire line that is hooked into one's phone line to dial up the ISP to gain access to the Internet. DSL: A Digital Subscriber Line. The new wave of connecting to the Internet.
To send and receive e-mail. 2. To transfer files from one computer to another (the files may be text, images, audio, video, etc.). 3. Research to locate information for either government, educational, commercial, etc.
Internet Provides New Ways to Communicate Through the centuries, technology has changed communication. In the 19th century people communicated through mail by the use of the pony express and through the electrical speech machine, known today as the telephone. In the 20th century into the beginning of the 21st century the new technology of computers has become widely available to people around the world. With computers, the internet has changed the way people communicate today. Postal mail and telephones are still used, but advancing technology currently provides communication through instant messaging, e-mail, and webcams.
Exploring Internal Communication Media E-mail/network/intranet (internal E-mail) E-mail is short for electronic mail. This involves sending messages, data files, picture and photographs to other users on the computer network. Each person that sends and receives e-mails has an e-mail address such as Lisa@ems.co.uk. If in an organisation e-mails can be sent to employees within the organisation.. It would be only programmed for the workers and they would each be given a e-mail address each.
Consider the following numbers: · There were about 23 million e-mail users in 1994 · There will be approximately 74 millions e-mail users in the year 2000 · Employees sent approximately 263 billion e-mail messages in 1994 · Employees will send approximately 4 trillion e-mail message in the year 2000 · A 1993 study by MacWorld magazine found that 22% of employers have engaged in searches of employer computer files, voice mail, electronic mail, or other network communications · The number of people subject to electronic surveillance at work has increased from approximately 8 million in 1990 to more than 20 million in 1996. · Nearly 60% of companies that monitor e-mail or other employee communications conceal doing so. · Less than 20% of companies have a written policy on electronic monitoring. One of the major areas affected by this new technology is corporate America. Not onl... ... middle of paper ... ...esley, Reading , MA.
Motivation and self esteem increase when using technology in learning. A relatively new development, electronic books had realized the potential to change the way people read. It is commonly referred as an e-book, which is an electronic format of a print book. E-books are digital form of text group that displayed on a computer screen and enables reading process. E-books can divide into two major types: the electronic version of printed books and database of linked materials that may not exist in a print version.
The Domain Name System (DNS) is a distributed database used by TCP/IP applications to map between hostnames and IP addresses, and to provide electronic mail routing information. Each site (university department, campus,company, or department within a company, for example) maintains its own database of information and runs a server program that other systems across the Internet can query. T... ... middle of paper ... ...L value in the response which specifies how long it guarantees the binding to remain. DNS Formatting: When the user wants to send a message, it invokes an application program and supplies the name of a machine with which the application must communicate. The application program must find the machine's IP address.