Download - Digital Communication ppt
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Digital Communication
Bilal joyia
BS-ELECT
13-F-246
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Contents
• Digital Communication
• Example of Digital Communication.
• E-Mail.
• Texting.
• Fax.
• Advantages of Digital Communication.
• Disadvantages of Digital Communication.
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Introduction
• The word digital comes from the Latin word digit and digitus (the Latin word for finger), as fingers.
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What is Digital Communication?
• Digital Communication is any message passed through digital devices
• Digital communication is any type of information sent digitally.
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What are some examples?
Some examples of digital communication are• E-mailing - Computers• Texting - Cell Phones• Fax• Teleconferencing• Video conferencing
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• Electronic mail is often abbreviated to e-mail
• Email is a store-and-forward method of writing, sending, receiving and saving messages through computers
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Texting
• The common term for the sending of “short” messages from mobile phones or portable devices is called texting.
• Texting works using the Short Message Service (SMS)
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An SMS is personal
• Unlike an e-mail, an SMS is much more likely to be read by a
person at any one time, since the majority of people have their mobile phones at arms reach 24 hours a day.
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SMS leads to smaller phone bills
• SMS leads to smaller phone bills.
• An SMS is far cheaper than a phone call.
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Messages are instantly recorded
• Unlike a phone call, an SMS message is automatically stored where it can be re-read.
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Advantages of Messages
• Its cheap
• Reliable
• Simple
• Non voice
• SMS it connects many people around the world through text messaging social networking
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FAX
• A fax is a document sent over a telephone line.
• Fax machines were a very common way to send documents from one location to another.
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Video conferencing
• Video conferencing
means to conduct a conference two or more participants at different sites by using computer networks to transmit audio & video data.
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Teleconferencing
• A teleconferencing is a telephone meeting among two or more participants involving technology more sophisticated than a simple two-way phone connection
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Advantages
• It is fast and easier.
• No paper is wasted.
• The messages can be stored in the device for longer times, without being damaged.
• Digital communication can be done over large distances through internet and other things.
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Disadvantages
• It is unreliable as the messages cannot be recognised by signatures.
• The establishment of Digital Communication causes degradation of the environment in some cases.– "Electronic waste" is an example. The vibes
given out by the telephone and cell phone towers are so strong that they can kill small birds.
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Thank You