John Boyd Dunlop, a veterinary surgeon, invented the pneumatic tyre in 1887.
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In which decade was the first solid state integrated circuit demonstrated?
A:
1950s
B:
1960s
C:
1970s
D:
1980s
Answer:A
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.
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Who invented the BALLPOINT PEN?
A:
Biro Brothers
B:
Waterman Brothers
C:
Bicc Brothers
D:
Write Brothers
Answer:A
The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884.
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