The invention that played a key role in communication and education.
The printing press
Books
Paint
None of these
The original method of printing was
Block printing
Offset printing
Screen printing
Where did block printing was first invented ?
China
Europe
Italy
India
When did colour television demonstrate?
1920
1925
1928
1828
Who developed 'Rocket(an improved version of the earliar steamp engine)
George stephanson
James Watt
Thomas savery
Thomas Newscomen
A machine tool or system that someone has newly made, designed or thout of for the first time is known as____________.
Discovery
Invention
Production
Cultivation
Who was the first Chief Election Commissioner of India.
Sukumar Sen
Shahabuddin Yaqoob Quraishi
M.S.Gill
K.V. K. Sundaram
When did the first passenger train build?
In 1825
In 1845
1856
Who invented the steam engine?
Thomas Newcomen
Thomas saverij
When did Johannes Gutenberg developed printing press?
In the 1450
In the 1460
In the 1468
In the 1432