2. Communication systems
interconnect communication devices by guiding signal
energy in a particular direction or directions through a
transmission medium such as copper, air, or glass. ... In
this course (Modern Communication Systems) we address
issues of the design and provision of modern
communication systems.
WHAT IS THE MEANING OF MODERN
COMMUNICATION?
3. Communication media refers to the means of delivering
and receiving data or information. In
telecommunication, these means are transmission and
storage tools or channels for data storage and
transmission.
WHAT ARE THE MEDIA OF COMMUNICATION?
4. Telephone and Voices Mail
Mobiles
Computer
Internet
E-Mails
Conferencing
Instant Messaging
Positive impact of Technology –
Negative Impact of technology –
COMMUNICATION TOOLS
5. They are many types of telephones and only you can decides
which types or combinations of types right for you . even the
standard telephones that in installed in your office has many
options. the telephones line should have the capability to take
messages in case it is not answered personally.
TELEPHONE AND VOICES MAIL
7. The compute has become a very affordable tool today. the
following discussion will focus on two base models of the
computers
1 desktop
2 laptops
COMPUTER
8. A computer designed to fit comfortably on top of a desk,
typically with the monitor sitting on top of the computer.
Desktop model computers are broad and low, whereas tower
model computers are narrow and tall. Because of their shape,
desktop model computers are generally limited to three
internal mass storage devices. Desktop models designed to be
very small are sometimes referred to as slim line models.
DESKTOP MODEL
9. A small, portable computer -- small enough that it can sit on
your lap. Nowadays, laptop computers are more frequently
called notebook computers.
LAPTOP COMPUTER
10. The Internet is a worldwide collection of computer networks
The Internet is a network of networks that connects users in every
country in the world. There are currently over one billion Internet
users worldwide
INTERNET
11. The Internet is a global web of computers connected to each other
by wires, (mostly phone lines). If you look at a map of big cities,
smaller towns, and scattered houses, each is connected together
with roads, railways, etc.. This is similar to the Internet, except
with the Internet, wires connect computers. The Internet is a
superhighway.
13. E-MAIL
Email is short for 'electronic mail'. Similar to a letter, it is
sent via the internet to a recipient. An email address is
required to receive email, and that address is unique to the
user. Some people use internet-based applications and some
use programs on their computer to access and store emails.
14. It's quick – your recipient receives your email as soon as they
go online and collect their mail.
It's secure.
It's low cost.
Photos, documents and other files can be attached to an
email, so that more information can be shared.
KEY BENEFITS AND FEATURES OF USING
EMAIL
15. FILE SHARING
File sharing is the practice of distributing or providing access
to digital media, such as computer programs, multimedia (audio,
images and video), documents or electronic books. File sharing
may be achieved in a number of ways..
16. Common methods of storage, transmission and dispersion include
manual sharing utilizing remove able media, centralized servers
on computer networks, World Wide Web-
based hyperlinked documents, and the use of distributed peer-to-
peer networking
FILE SHARING
17. it is also possible to bank through the internet. Bank host
their own websites, which offer a vast rang of services, such
as checking account balanced and status of issued or
deposited cheques, and carrying out fund transfers between
different bank account. Most bank also tie up with various
other service provided such as mobile cellular service
providers or the electricity department and facilitate online
payment of bills.
BANKING
19. Conferencing may refer to:
Web conferencing
Videoconferencing
A Teleconference
Conference call,
CONFERENCING
20. Web conferencing, a service that allows conferencing events
to be shared with remote locations
WEB CONFERENCING
21. Video Conferencing requires specialized equipment on both
ends for a successful connection. Web Conferencing - provides
live audio/video communication between two or more locations
to conduct meetings, training, or presentations via the Internet.
... Webcast - is essentially "broadcasting" over the internet or
streaming.
DIFFERENCE BETWEEN VIDEO CONFERENCING AND
WEB CONFERENCING
22. Videoconferencing, the conduct of a videoconference by a set
of telecommunication technologies
VIDEOCONFERENCING
23. A Teleconference, held by one or more computers ,
A teleconference is a telephone meeting among two or more
participants involving technology more sophisticated than a simple
two-way phone connection. At its simplest, a teleconference can be
an audio conference with one or both ends of the conference
sharing a speaker phone.
TELECONFERENCE
24. Conference call, a type of telephone call
A conference call is a telephone call in which someone talks
to several people at the same time. The conference calls may
be designed to allow the called party to participate during the
call, or the call may be set up so that the called party merely
listens into the call and cannot speak. It is sometimes
called ATC (audio tele-conference).
CONFERENCE CALL
26. Technology Has Improved Communication
Technology has improved communication: Communication is
used for a number of purposes. Both society and
organizations depend on communication to transfer
information. People use technology to communicate with
each other.
POSITIVE IMPACT OF TECHNOLOGY –
27. Positive Effects of Technology on Communication. ... From the
invention of the telegraph and telephone to the advent of the
Internet , technology has given people tools to not only keep
in touch with each other, but also express their feelings and
opinions to a broader audience than would otherwise have
been possible.
POSITIVE IMPACT OF TECHNOLOGY –
28. Web Seminars
Distance Education
online lectures
educational apps
POSITIVE IMPACT OF TECHNOLOGY ON
EDUCATIONS
29. POSITIVE IMPACT OF TECHNOLOGY –
Technology should not replace teachers. Its main use is to enable
students learn better through increasing their engagement
in educational activities. ... Technology has to improve the learning
process and aim at improving student's grades.
30. Electronic media like radios, televisions, internet, social
media have improved the way we exchange ideas which can
develop our societies. In many countries, radios and
televisions are used to voice the concerns of the society .
POSITIVE IMPACT OF TECHNOLOGY –
31. During political elections, leaders use radio, television and
internet media to reach the people they want to serve.
POSITIVE IMPACT OF TECHNOLOGY –
33. NEGATIVE IMPACT OF TECHNOLOGY
Stress
Lack of
Privacy
Obesity
Neck and
Head Pain
Depression
Lack of
Social
Bonds
34. Creating a lasting bond with other people requires face-to-
face interaction. The more we isolate ourselves with
technology the fewer bonds we will form. People are expected
to do more work at home which takes away time they would
be spending with their families.
LACK OF SOCIAL BONDS
35. Constantly looking down at devices can cause neck pain and
over time will cause the neck to lose its natural curve.
Eyestrain can also cause headaches, blurred vision and
migraines.
NECK AND HEAD PAIN
36. People are not only dependent on technology they are also
addicted to it.
ADDICTION
37. Using headphones and ear buds can cause people to lose their
hearing over time. Likewise, straining your eyes looking at
computer and device screens can cause people to need
glasses much earlier in life.
LOSS OF HEARING AND EYESIGHT