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WorksheetsHistory of Digital Computer
Total questions: 10
Worksheet time: 75secs
Name
Class
Date
1.
Which electromechanical analog computer was developed by the United States Navy during World War II?
a)
Torpedo Data Computer
b)
Z2
c)
Z4
d)
Z3
2.
Who created the Z3, the world's first working electromechanical programmable computer?
a)
Konrad Zuse
b)
ETH Zurich
c)
United States Navy
d)
Charles Babbage
3.
How many relays did the Z3 computer have?
a)
100
b)
2000
c)
500
d)
1000
4.
Which company manufactured the world's first commercial computer, the Z4?
a)
Zuse KG
b)
ETH Zurich
c)
United States Navy
d)
Torpedo Data Computer
5.
What technology did Zuse's machines use to perform calculations that made them easier to build and potentially more reliable?
a)
Vacuum tube system
b)
Electromechanical system
c)
Decimal system
d)
Binary system
6.
Who was the engineer who explored the use of electronics for the telephone exchange?
a)
Tommy Flowers
b)
Max Newman
c)
John Vincent Atanasoff
d)
Clifford E. Berry
7.
Which computer was used by British code-breakers at Bletchley Park during World War II?
a)
ENIAC
b)
Mark II
c)
Colossus
d)
ABC
8.
What type of encryption machine was attacked with the help of electro-mechanical bombes?
a)
ABC
b)
Lorenz SZ 40/42
c)
Enigma
d)
Colossus
9.
Which computer was both faster and simpler to operate than its predecessor?
a)
Colossus Mark II
b)
ABC
c)
ENIAC
d)
Colossus Mark I
10.
What was the first electronic, Turing-complete device that performed ballistics trajectory calculations?
a)
Mark I
b)
ENIAC
c)
Colossus
d)
ABC
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