.Information is much more secure than on the Internet because outsiders have access to it. don’t .However the scale of information is limited as compared to the internet .It is costly to build and maintain and keep up-to-date. Extranets .An extranet is a private network that uses internet protocols to share data of a particular organisation with selected outside users such as the clients of the company or subsidiaries of a company. Differences between an Intranet and Internet .Intranet is private while Internet is public. .Intranet has geographical boundaries while internet has no boundaries. .Intranet only shares company information while Internet has all sorts of information .Intranet is a single source information while Internet is a multisource information. .Intranet is controlled by an organisation while there is no control over the Internet. Terminal emulation .This is an Internet resource/service that allows remote access to computers connected on the internet using a virtual terminal connection. This means that using one computer, one can access another computer on the LAN or Internet and all the information and resources on that computer as if one was sitting at that other computer. E-mail .E-mail or electronic mail is primarily text-based electronic message that is sent from one computer or other ICT devices to others. In order to send or receive an e-mail, one must have a computer connected to the Internet, E-mail software, and an e-mail account. .When mail is received on a computer system, it is usually stored in an electronic mailbox for the recipient to read later. .Messages can be replied to or forwarded with speed and ease. E-mail software (e-mail client) .E-mail software is an application software which allows individuals to create an e-mail accounts and be able create, send and receive, store, and forward e-mail using SMTP and POP. .Examples Microsoft outlook express, Yahoo, Eudora light, Gmail, Opera mail, etc. Mail servers .A mail server is a dedicated computer on the Internet that receives incoming messages, store them and delivers outgoing messages. .It allocates a certain amount of storage space referred to as mail box to hold mail to registered users. The user can receive mail by supplying the username and password through the mail client.
.Information is much more secure than on the Internet because outsiders don’t have access to it. .However the scale of information is limited as compared to the internet .It is costly to build and maintain and keep up-to-date. Extranets .An extranet is a private network that uses internet protocols to share data of a particular organisation with selected outside users such as the clients of the company or subsidiaries of a company. Differences between an Intranet and Internet .Intranet is private while Internet is public. .Intranet has geographical boundaries while internet has no boundaries. .Intranet only shares company information while Internet has all sorts of information .Intranet is a single source information while Internet is a multisource information. .Intranet is controlled by an organisation while there is no control over the Internet. Terminal emulation .This is an Internet resource/service that allows remote access to computers connected on the internet using a virtual terminal connection. This means that using one computer, one can access another computer on the LAN or Internet and all the information and resources on that computer as if one was sitting at that other computer. E-mail .E-mail or electronic mail is primarily text-based electronic message that is sent from one computer or other ICT devices to others. In order to send or receive an e-mail, one must have a computer connected to the Internet, E-mail software, and an e-mail account. .When mail is received on a computer system, it is usually stored in an electronic mailbox for the recipient to read later. .Messages can be replied to or forwarded with speed and ease. E-mail software (e-mail client) .E-mail software is an application software which allows individuals to create an e-mail accounts and be able create, send and receive, store, and forward e-mail using SMTP and POP. .Examples Microsoft outlook express, Yahoo, Eudora light, Gmail, Opera mail, etc. Mail servers .A mail server is a dedicated computer on the Internet that receives incoming messages, store them and delivers outgoing messages. .It allocates a certain amount of storage space referred to as mail box to hold mail to registered users. The user can receive mail by supplying the username and password through the mail client.