1. ANINDITA SEKARKINANTI
MEANS OF COMMUNICATION AND
INFORMATION TECHNOLGY
SMP 73
7A
ANINDITAKINANTI.BLOGSPOT.COM

2. ANCIENT COMMUNICATION
• KENTONGAN
Kentongan has been used to give information to the people
when something happened. Sign or code used was different.
Kentongan was also used as a tool for night patrol and time
indication. Big kentongan (bedug) was used a sign that praying
(salat) time has come.

3. • SMOKE
This media was very popular among Indian tribe
in America. This communication tool can also be
used to send secret information to a friend or
foe.

4. • Epigraphy and Palmyra Palm
A media commonly used to write letters in the
past was dominated by palmyra palm.

5. MODERN COMMUNICATION MEDIA
• Telephone and Cellphone
Phone invented by Alexander Graham Bell in 1876. Now,
cellphone is equipped with a digital camera, an MP3 player,
video, and a lot of interesting game. Basically functioning to
make an receive a short message (short message service: SMS)

6. • Television
Television invented by Paul Nipkow in 1883. Along with the
advance of technology, television has envolved significantly. In
the past, we could only enjoy watching a black and white
television, but today we can enjoy watching a color television.
Television screen has also been through some developments
from screen to flat screen.

7. • Radio
Radio is a product of technology that is used for signal
transmission in modulation and electromagnetic radiation
(electromagnetic waves). There are a lot kinds of radio, including
wireless network, mobile communication of all kinds, and also
radio broadcasting.

8. • Internet
The development of the internet started when computer
networking technology was created in around 1960. In 1989, Tim
Barnes, a computer expert from England, created World Wide
Web, a program that allows sound, picture, movie, and music to
appear and be accessed by anyone through the Internet.