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Educational Technology

Notes (iv) There should be a .................... after radio lesson broadcasting.
(v) Radio is an important means of connecting far-flung people to the .................... of the world.

22.2 Educational Television

Television’s name is taken prominently in the scientific achievements of the twentieth century. It has

revolutionized the world of education.
Television has moved ahead many steps from radio. We can only hear voice over the radio while over
the television we can hear voice as well as can see the picture of a person and his activities clearly.
Television keeps students’ eye and ears active. Like radio, lessons are broadcasted over the television.
Television instrument has reached the limits of India’s huge population. Therefore, the device also
can help in the expansion of education and is too helping. At present time, television is a powerful
means of communicatioin. In India, national programmes are broadcasted over the television through
satelites. These programmes can be seen anywhere in the country. Similary, programme of other
countries can be seen in india.

22.2.1 Development of Educational Television in India

Television entered in India on September 15, 1959 by a trade fair at New Delhi in which its utility was
performed. After the September 15, 1959, television service was formally inaugurated in India. Since
then, several experiments an projects were conucted which are written as follows:

Flood light
Microphone

TV Receiver
Stage

TV Camera

Flood TV Receiver
light

Audio-Video Mixer Cupler TV Receiver

Fig. Simple closed circuit TV system

(1) Secondary School T.V. Project—In October, 1961, the School T.V. programmes were introduced on
experiment basis. In these programme, three lessons for physics and chemistry, one for english and one
for hindi were broadcasted. These programmes were based on the curriculum and were broadcasted as
a part of the school activities at the same school time. The main goal of school was to improve teaching
level which lacks educated teachers, place, instruments, laboratories. This programme was started on

the experiment basis in order to remove the various types of specifi c difficulties of secondary schools in
Delhi, especially in science teaching. Experiment result were encouraging.

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