Mrs.J.Shailaja introducing herself Figure Mrs.J.Shailajaexplaining generation
and History of TV’s
Mrs.J.Shailaja explained about vacuum tubes and these devices became a key component of
electronic circuits for the first half of the twentieth century Although some applications had used
earlier technologies such as the spark gap transmitter for radio or mechanical computers for
computing of electronics.

Figure Mrs.J.Shailajaexplaining generation
and History of TV’s and briefing the session contents
Students visually involved in the session and seen the working ofthe application. Students
individually asked the resource person about the nano technology
