General Knowledge - Inventions - Discussion

Discussion :: Inventions - Section 1 (Q.No.2)

2. 

In which decade was the first solid state integrated circuit demonstrated?

[A]. 1950s
[B]. 1960s
[C]. 1970s
[D]. 1980s

Answer: Option A

Explanation:

On September 12, 1958, Jack Kilby demonstrated the first working IC while working for Texas Instruments, although the U.S. patent office awarded the first patent for an integrated circuit to Robert Noyce of Fairchild.

Arun said: (Jan 20, 2012)  
How ?

Shiv Singh said: (Apr 25, 2013)  
IC(Integrated Circuit) invented in decade of 1950.

Ramesh said: (Jul 28, 2015)  
Ya its correct.

Chandan said: (Mar 23, 2016)  
Who is the president of Japan?

Santosh said: (May 9, 2016)  
IC demonstrated first on August 28 1958.

Raj Mishra said: (Sep 10, 2016)  
Do I want to know how?

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