Name of
the Invention
|
Computer
|
Inventor’s
Name
|
|
Merits
(Usefulness)
|
1.
Chatting & Social Media
2.
Computer Aided Learning (CAL)
3.
Online Examination
|
Where it
is Used
|
Home,Office.Hospitals…etc
|
It’s cost
|
Starting from Rs.12,000
|
Any
de-merits
|
Computer Crimes, Privacy violation, Health risks…etc
|
|
Name of
the Invention
|
Radio
|
|
Inventor’s
Name
|
Guglielmo Marconi
|
|
Merits
(Usefulness)
|
1. transmitting sound and television signals
2. navigation of ships and
aircraft
3. Cellular and cordless
telephones
|
|
Where it
is Used
|
Factories .Government Agencies…etc
|
|
It’s cost
|
Starting from Rs.200
|
|
Any
de-merits
|
1. Only an
audio medium for communication.
2. During bad
weather you cannot listen radio properly. Often unclear and is affected by
weather.
3. You need
to adjust frequency properly.
|
|
Name of
the Invention
|
Television
|
|
Inventor’s
Name
|
John Logie Baird
|
|
Merits
(Usefulness)
|
1Have fun
2.
Entertainment
3.
News
|
|
Where it
is Used
|
Home, Shopping mall…etc
|
|
It’s cost
|
Starting from Rs.15000
|
|
Any
de-merits
|
Negatively effects the
studies of the children
People read fewer books
|
|
Name of
the Invention
|
cinema
|
|
Inventor’s
Name
|
Auguste and Louis Lumière
|
|
Merits
(Usefulness)
|
1 Have fun
2. Entertainment
3. Relaxation
|
|
Where it
is Used
|
Home, Shopping mall,Theatre…etc
|
|
It’s cost
|
Starting from Rs.70
|
|
Any
de-merits
|
Movies area unit created for Profit
Larger than Life Characters
|
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