Telecommunications
What are telecommunications:
Tele
means
at a
distance
System used
in transmitting
messages
over a
distance
.
electronically
Telecommunicati
ons enable
people around
the world to
communicate
with each other
or spread
information over
many thousands
of miles in just a
few seconds.
Is
telecommunication
the same thing as
communication? No,
but they are
connected.
Telecommunication
is communication
over distance using
technology.
Modern devices of
telecommunications:
Fax
Mobiles
Radios.
COMPUTERS
TV
Earlier modes of tele communication
• a)
• b)
A satellite:
• A space satellite is an
object put into orbit
around the earth in
order to relay
communication signals
or transmit scientific
data.
How mobile
phones work:
to
o
e
d
i
v
a
r.
e
h
t
t
c
e
at
b
t
w
i
Lets rstand
e
und
Internet:
• Allows people to send
and receive emails
• Create websites
• Obtain information
from websites
Telecommunications in Pakistan:
In Education:
• Distance learning
• In the classroom
Industrial development and marketing:
1. Improved
Quality
4. Market
Opportunities
2. International
companies
3. Advertisements
5. Electronic modes of
trading
Problems and
disadvantages:
• Faults and breakdowns in internet
services
• Decrease employment opportunities
• Load shedding slow the work
• Older generations
• Easy access to some websites may
harm our culture
• Cyber attacks
• Capital intensive goods
• Always imported because of
specialized manufacturing.