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Communication Devices

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Communication Devices
Communication devices Types Communication
Devices







FAX
E-MAIL
VIDEO CONFERRENCE
PORTABLE MEDIA PLAYERS
BLUETOOTH
COMPUTERS

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.
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.

ADVATGES & DISADVANTAGE
OF FAX




Disadvantages:
By dialing wrong number you might send your important note to someone else.
The quality of Fax is poor so that some parts of note may not be delivered perfectly to the receiver. E-MAIL


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’. You can even store your data and documents in mail and there are other facilities given to you as big space
. In drive you can create document and share with someone and it is even a good option to make surveys and collect responses from people.

DISADVANTAGES OF EMAIL


But the advantage is that you cannot send a huge amount of data at once though attachment and you cannot access to your drive without internet, so your important documents can’t be edited or read without internet.

VIDEO CONFERENCE









Video conference is used to have conversation face to face from a long distance where two computers are connected through the network. This very useful in many ways like having discussions face to face so don’t need to type and advantage is many people can access to it together and attend a meeting as per the business purpose.
The system uses the following hardware:
Video camera
Monitor
Microphone

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