Exercise 2

Question 11 :

When were bar code scanners invented?

A). 1940s
B). 1950s
C). 1970s
D). 1960s
Answer : Option C

Explanation :

The scanner reads the bar code label on something at a supermarket, and translates it into a number which the computer reads.

Question 12 :

When was the game Frisbee invented?

A). 1920s
B). 1900s
C). 1870s
D). 1890s
Answer : Option C

Explanation :

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.

Question 13 :

This English inventor is known as the 'Father of Computing.'

A). Philo Farnsworth
B). J. Presper Eckert
C). John Mauchly
D). Charles Babbage
Answer : Option D

Explanation :

Mauchly and Eckert invented the ENIAC computer. Farnsworth was a pioneer of early television.

Question 14 :

Who invented Airship (rigid)?

A). Dr. Alan M. Turing
B). Roger Bacon
C). G. Ferdinand Von Zeppelin
D). Otto
Answer : Option C

Question 15 :

What piece of clothing was invented by French fashion designer Louis Reard in 1946?

A). Zoot suit
B). Mini-skirt
C). Bikini
D). Tank top
Answer : Option C

Explanation :

The bikini, a two-piece swimsuit named for the Bikini Atoll in the Pacific, made its debut on July 5, 1946.