This English inventor is known as the 'Father of Computing.'
A:
Philo Farnsworth
B:
J. Presper Eckert
C:
John Mauchly
D:
Charles Babbage
Answer:D
Mauchly and Eckert invented the ENIAC computer. Farnsworth was a pioneer of early television.
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When was the game Frisbee invented?
A:
1920s
B:
1900s
C:
1870s
D:
1890s
Answer:C
The first Frisbees were pie tins from the Frisbie Pie Company in Connecticut. In the 1950s, the pie tins were changed to plastic plates. The name then became the Flying Saucer, but later changed to Frisbee.
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When were bar code scanners invented?
A:
1940s
B:
1950s
C:
1970s
D:
1960s
Answer:C
The scanner reads the bar code label on something at a supermarket, and translates it into a number which the computer reads.
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