Finals - Topic 5

8/4/2019 Finals - Topic 5

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Communications


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Communications

Communicare to share or doing together


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Electronic/ComputerCommunications SystemsThe technology that enables computers to

communicate with each other and otherdevices

This is the transmission of text, numbers,voice, and video from one computer ordevice to another.

This is the process of sharing data,

programs and information between two ormore computers


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Components RequiringCommunications Systems

Sending/Receiving Device these are often acomputer or specialized communicationdevice.

Forms of Messages: Data, Information,Instruction

Communication channel the transmissionmedium that carries the message. E.g

physical wire, cable, wireless connection

Connection devices acts as an interfacebetween the sending and receiving devices

and the communication channel


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Basic elements

SendingDevice

Message

MessageCommunication

Device

Communication Channel

Receivin

g Device

Communication

Device

Message


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Telephone-relatedCommunication services1. Fax Message these are messages sent

or received over a fax machine of onlinefax service

2. Voice Mail this is a computer-basedsystem that allows the users andsubscribers to exchange personal voicemessage.

3. E-Mail the method of exchanging digitalmessages from an author to one or morerecipients.


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Fax Message

Fax machine this is the device that allowssomeone to send messages. Uses normalphone line to transmit a message.


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Sending a Fax

1. Make sure the fax machine is plugged into apower source and also plugged into a workingphone jack.

2. Turn the fax machine on.

3. Obtain the fax number of the destination faxmachine.

4. Gather the documents you want to send andput them in the order you want them to bereceived.

5. Fill out a separate piece of paper calledcovesheet.

6. Lay the documents face-up in the fax machine


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Sending a Fax , Contd

9. Fax machine then scans document into itsmemory

10. After all pages are scanned, sender received aseries of fax tone.

11. Wait for few minutes as the fax is sent.

12. If the fax machine has a small display screen,look for confirmation that the fax went through.Some fax machine will also print out a shortconfirmation report


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Information on theCoversheeta) Recipients name

b) Recipients fax number/phone number

c) Senders name

d) Senders phone number

e) A short message intended for therecipient similar to the subject line of an

e-mailf) Number of pages (including coversheet)


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Receiving a Fax Message1. Make sure the fax machine plugged in, powered

on and connected to a working phone jack.

2. Make sure the fax machine has enough ink on itstoner cartridge.

3. Make sure theres enough printer paper loaded in

the fax machines paper tray.

4. If theres a phone on the fax machine, the phonewill ring. Dont pick it up.

5. Wait for the handshake tones indicating that thefax machine is talking with the senders machine

6. The fax machine will automatically begin to printeach page of the fax

7. Check the coversheet to make sure ou received


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Voice Mail

Digital recordings of outgoing and incomingvoice messages that are managed eitherby an on-site or off-site system.

Has an operator: either humans or auto-attendants

Auto-attendants guide users through themany options a voice-mail system has

to offer.- instruct users how to enter commands

through the phones keypads, suchas how to retrieve a message


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Setting Up and Using VoiceMail AccountsDial the phone number to access voice mail

system

Follow the auto-attendants instructions tocreate a numeric pass code, usually four tosix numbers

Follow the auto-attendants instructions torecord an outgoing message, also known as

a greetingFollow the auto-attendants instructions to

take advantage of other features, such asforwarding message, paging and auto fax

pick-up


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Electronic Mail

The method of exchanging digitalmessages from an author to one or morerecipients.

The transmission of electronic messagesover the Internet.

Three components

A. Header contains control information

A. Addresses

B. Subject a one-line description, used to presentthe topic of the message

C. Attachments files, documents, worksheets,pictures, etc.

Finals - Topic 5

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