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Communications and Networks . Standard Grade Computing Studies. Electronic Communication. Electronic Communication is the process of sending and receiving electronic messages. Electronic messages include electronic mail, text messaging and file transfer. Text Messaging.
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Communications and Networks Standard Grade Computing Studies
Electronic Communication • Electronic Communication is the process of sending and receiving electronic messages. • Electronic messages include electronic mail, text messaging and file transfer.
Text Messaging • The technical name for Text Messaging is SMS (Short Message Service) • Text messages are short messages up to 160 characters long which can be sent from one mobile phone to another through a messaging centre • As well as mobile phones, Text messages can also be received on devices such as pagers and some palmtop computers.
Sending a Text Message • To send a text message you need: • Mobile Phone • An account with a service provider • To be in an area of sufficient signal strength to communicate with the service provider. • One key on a mobile phone has many functions. • A typical text message might include abbreviations which require fewer key presses.
Sending a Text Message • Some examples of abbreviations could be: • 2 To/too • bcnu Be seeing you • pls Please • Predictive Text tries to anticipate what the user will type. • Once the message has been composed, sending the message is just a matter of selecting the recipient mobile telephone number from the stored list on the mobile phone and selecting send.
E-Mail • Electronic-Mail is a way of sending and receiving text-based messages over a network. Both the sender and the recipient have an email address which identify them on the network. • Electronic mail is used mostly for sending letters, but anything which can be saved to disk can be sent by email, such as graphics.
What is required for E-Mail • A computer system • Software - an email client program or an Internet browser • An electronic mail address or mailbox • Access to the Internet if the email is going outwith the local area network.
What is required for E-Mail • Software - an email client program or an Internet browser. • Email client programs can be used to send and receive email. These allow you to: • see a list of all messages in your mailbox by displaying the subject, time and date • select a message and read the email • create new messages and send them • set up folders to manage your email • keep an email address book • add attachments to messages you send
What is required for E-Mail • Webmail • It is much more convenient to access email from any computer that has an Internet connection. • Webmail allows you to access email using an Internet browser program like Internet Explorer. • Hotmail is an example of Webmail
Advantages of E-Mail • Email is much faster than sending a letter by post (snail mail) • Email is very accessible, since you can check electronic mail from anywhere in the world • There is no need to worry whether the person you are mailing is there to read the message because it will be stored by the system. • Email is cheaper than sending a letter by post. • You can send the same email to lots of different people at once. • Less paper is involved, not all emails need to be printed.
Disadvantages of E-Mail • You must check your mailbox regularly for the system to work • Email can be impersonal because there is much less interaction between the callers. • Email is not as secure as the postal system. • Junk email is a huge problem. Junk email or spam is email from strangers or companies whom you have not asked to send you anything.
Netiquette • Netiquette is short for network etiquette. • Etiquette is used to describe a certain way to behave. • Netiquette is concerned with the way email messages are written and how others might interpret them.
Netiquette • A number of rules have been set up. • Keep your messages short and to the point. • Be careful about the language you use in a message. • Use smilies (emoticons) to your messages to show your emotions. • :-) :-( • Avoid using capital letters as this is classed as SHOUTING.
Attachments • If you want to send somebody a file, you can ‘attach’ it to an email • This means that the file is sent along with your email • When your email is received, the attachment can be saved by the recipient • Beware of opening attachments from people you don’t know. They may contain viruses. It is always a good idea to use a virus scanner on any attachments.
