Fax
Fax is short for ‘facsimile’ which means ‘copy’.
A fax machine is a device that can send a copy of a paper document over the telephone network.
A fax machine is a device that can send a copy of a paper document over the telephone network.
- The sending fax converts the light/dark areas of the printed document into noises.
- These noises travel through the phone system and are received by another fax machine.
- The receiving fax machine converts the noises into printed marks on a piece of paper - making a copy of the original document.
E-mail is a system that allows messages to be sent and received by computers. E-mail is the most common form of electronic communication.
E-mail messages are text-based, but other types of file can also be sent as ‘attachments’.
An e-mail message usually has the following parts:
E-mail messages are text-based, but other types of file can also be sent as ‘attachments’.
An e-mail message usually has the following parts:
To send and receive e-mail, you need to have an e-mail address.
An address is made up of two parts: a username and an e-mail provider, with an '@' symbol in the middle:
An address is made up of two parts: a username and an e-mail provider, with an '@' symbol in the middle:
username@provider
| To | The address(es) of the person who the message is for |
| Subject | A short sentance describing what the message is about |
| Message | The text of the message. This can be as long as you like |
An e-mail may also include the following parts:
| CC | The address(es) of people to copy the e-mail to (Carbon Copy) |
| BCC | The address(es) of people to copy the e-mail to without anyone else knowing (Blind Carbon Copy) |
| Attachments | Files linked to the message (images, documents, etc.) |
Video Conferencing
Video-conferencing is a system that allows people to have conversations and meetings with other people in different locations, but without leaving their office.
A video-conference involves people sitting in front of a camera and a microphone, whilst watching other people of a screen and listening to them through loudspeakers.
Note: The camera is usually TV quality - must better than a standard webcam.
A video-conference involves people sitting in front of a camera and a microphone, whilst watching other people of a screen and listening to them through loudspeakers.
Note: The camera is usually TV quality - must better than a standard webcam.
The system uses the following hardware:
- Video camera
- Monitor
- Microphone
- Loudspeakers
- High-speed network / Internet connection
- No travel costs
- No time wasted travelling to other cities / countries
- Can organise meetings at short notice
