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Questions and Answers
Who is credited with designing and building an adding machine in 1642?
Who is credited with designing and building an adding machine in 1642?
- Blaise Pascal (correct)
- Thomas Edison
- Alexander Graham Bell
- Nikola Tesla
What is the oldest known calculating device?
What is the oldest known calculating device?
- Calculator
- Slide rule
- Adding machine
- Abacus (correct)
What invention replaced valves in computers?
What invention replaced valves in computers?
- Diodes
- Vacuum tubes
- Resistors
- Transistors (correct)
What was the main disadvantage of using valves in early computers?
What was the main disadvantage of using valves in early computers?
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How long have abacuses been in use?
How long have abacuses been in use?
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True or false: Electronic computers have been around for over a century?
True or false: Electronic computers have been around for over a century?
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True or false: The abacus uses beads threaded on wires to represent numbers?
True or false: The abacus uses beads threaded on wires to represent numbers?
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True or false: The second invention was the transistor?
True or false: The second invention was the transistor?
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True or false: Valves were used for information processing in all first generation computers?
True or false: Valves were used for information processing in all first generation computers?
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True or false: The transistor was invented in 1948 at the Bell Telephone Laboratories?
True or false: The transistor was invented in 1948 at the Bell Telephone Laboratories?
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