Communication and Technololgy

8/4/2019 Communication and Technololgy

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FACSIMILE(fax)

The fax machine is a device for transmittingcopies of printed images ,documents,handwritten matter, graphs, drawings,photographs, pictures etc from one place toanother.

The machine is connected to the telephonethrough a modem (modular demodular).thesender has dial the receivers fax number,insert the documents into the machine andpress the start button.


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The receiving machine print its exactphotocopy of the original page.

The printout contains the time, date and

fax number of the senders machine atthe same time the sender gets aconfirmation printout showing thereceivers fax number, date and time of

transition and number pagestransmitted.

Fax is usually used for documents

which are not confidential.


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Electronic mail, commonly called email or e-mail, is a

method of exchanging digital messages from an authorto one or more recipients. Modern email operates acrossthe internet or other computer network.

In order to send an e-mail you must now the recipientsname, that is computer .I.D and address , this has inthe form of [email protected]:-

[email protected].


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Setting up a free e-mail account

open the relevant page of the search engine( or anyprogram that gives e-mail service)

You will be guided by instructions on the screen

You have to fill in the details that are required by theform which appears on the screen and click on the

submit button at the end. You have to makeup the ID name you want and

password you want, and enter them.

You have to remember your password and enter iteach time you want to check your e-mail.


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Benefits of email Keeping in touch with friends for a chat Contacting a fellow worker about a business related

matter or to arrange a meeting Sending a document or file as an attachment to other

people Contact a customer to tell them about a delivery or about

a special offer Contacting large groups of people very quickly by just

sending out one mail Sending a newsletter to people who have signed up on

your site to receive them Keeping a record that you have told somebody about

something. If you tell someone in person or on thetelephone you have no proof if they say, 'you never toldme'. But with emails, a copy is kept in your 'sent box'.


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Tele-conferencing is electroniccommunication between two or morepeople at two or more location

. In many cases, speaker telephonesare used for conference calls amongthe participants. A two-way radiosystem can also be used. In some

remote areas, satellite enhancementof connections is desirable.


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BENEFITS

Teleconferencing saves people money

Teleconferencing saves time

Teleconferencing is used for training.

DRAW BACKS

A large number of people is difficult to manage ina single teleconference

Costs can be high

Teleconferencing reduces opportunities for face-to-face contact


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Avideoconference

orvideo conference

(also known asa video teleconference) is a set of interactivetelecommunication technologies which allow two ormore locations to interact via two-way video and

audio transmissions simultaneously. It has also beencalled 'visual collaboration.


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Documents

Communication and Technololgy