4. In which decade was the first solid state integrated circuit demonstrated?
(a) 1950s (b) 1960s (c) 1970s (d) 1980s
Answer
Answer : (a)
Explanation
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.
Important Inventions and Discoveries in World » Exercise - 178. In which decade with the first transatlantic radio broadcast occur? (a) 1850s (b) 1860s (c) 1870s (d) 1900s
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Important Inventions and Discoveries in World » Exercise - 179. In which decade was the AEEE (now the IEEE) founded? (a) 1850s (b) 1880s (c) 1930s (d) 1950s
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