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WorksheetsHistory of Computer (Vaccuum Tube Era)
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
What era is described as the first generation of electronic computers?
a)
1930s
b)
1940s to early 1950s
c)
1960s
d)
1970s
2.
What key technology replaced mechanical switches in the first generation of electronic computers?
a)
Transistors
b)
Vacuum tubes
c)
Integrated circuits
d)
Quantum gates
3.
Who developed the Atanasoff-Berry Computer (ABC)?
a)
John von Neumann
b)
John Mauchly and J. Presper Eckert
c)
John Atanasoff and Clifford Berry
d)
Tommy Flowers
4.
During which years was the ABC developed?
a)
1937-1942
b)
1943
c)
1949
d)
1950
5.
What was the primary purpose of the Colossus computer?
a)
Scientific calculations
b)
Code-breaking during World War II
c)
Business data processing
d)
Weather forecasting
6.
Who developed the Colossus?
a)
John Atanasoff and Clifford Berry
b)
Tommy Flowers and his team
c)
John von Neumann
d)
J. Presper Eckert
7.
When was the ENIAC developed?
a)
1937
b)
1943-1945
c)
1949
d)
1953
8.
Which feature is not associated with the ENIAC? (3 Answers)
a)
17468 vacuum tubes
b)
1800 square feet
c)
Decimal-based
d)
Binary system
9.
Who were the developers of the ENIAC?
a)
John Atanasoff and Clifford Berry
b)
Tommy Flowers and his team
c)
John Mauchly and J. Presper Eckert
d)
John von Neumann
10.
What system did the EDVAC use?
a)
Decimal system
b)
Binary system
c)
Ternary system
d)
Hexadecimal system
11.
When was the EDVAC developed?
a)
1937-1942
b)
1943-1945
c)
1949
d)
1950-1953
12.
Which of the following computers was one of the first to implement the stored-program concept?
a)
ABC
b)
Colossus
c)
ENIAC
d)
EDVAC
13.
Who contributed significantly to the stored-program concept?
a)
John Atanasoff
b)
John Mauchly
c)
Tommy Flowers
d)
John von Neumann
14.
What key concept did John von Neumann introduce in 1945?
a)
Binary system
b)
Decimal system
c)
Stored-program architecture
d)
Vacuum tubes
15.
What were the limitations of vacuum tubes?
a)
Small size and low heat
b)
Large size, heat, and reliability issues
c)
Noisy and slow
d)
Complex and expensive
16.
Who invented the transistor in 1947?
a)
John Atanasoff and Clifford Berry
b)
Tommy Flowers and his team
c)
John Bardeen, Walter Brattain, and William Shockley
d)
John Mauchly and J. Presper Eckert
17.
Where was the transistor invented?
a)
Harvard University
b)
Bell Labs
c)
MIT
d)
Stanford University
18.
Which computer was the first electronic digital computer?
a)
Colossus
b)
ENIAC
c)
EDVAC
d)
ABC
19.
Which computer was the first programmable digital computer?
a)
ABC
b)
Colossus
c)
ENIAC
d)
EDVAC
20.
What era followed the Vacuum Tube Era in computing history?
a)
Mechanical Era
b)
Transistor Era
c)
Integrated Circuit Era
d)
Quantum Computing Era
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