At world war 2 transistor is devloped after that op-amp is devloped at 1948.
Lochan said:
(Sep 13, 2013)
Why it is transistor?
Ratan Singh said:
(Oct 18, 2014)
Transistor was invented in the year 1947.
And it is the basic material for development of any devices after world war 2 because VLSI and LSI technology came to play in 1980's.
Samta said:
(Oct 14, 2015)
Because vacuum tube are heavy and large in weight and size. So we need to construct a more reliable device than vacuum tube. So in 1943 a new device transistor replace the vacuum tube.
Haroon said:
(Jun 5, 2016)
Why it is development of the transistor?
Samir said:
(Sep 24, 2016)
Transistor much efficient work then vacuum tube, tube is more complex then transistor, and also size different of both device you can also see.
Kumkum said:
(Aug 6, 2018)
World War II was happened from 1939-1945. Transistor was inventened at 1947. Out of other options given only invention of transistor can be considered as the nearest time of WWII.
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