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Questions and Answers
Who invented Napier's Bone in 1614?
Who invented Napier's Bone in 1614?
- William Oughtred
- John Napier (correct)
- Universal Automatic Computer
- Vacuum tubes
What was the purpose of Napier's Bone?
What was the purpose of Napier's Bone?
- To perform addition and subtraction
- To work at fantastic speed
- To find square roots
- To perform multiplication and division (correct)
Who developed the Slide Rule in the 1920s?
Who developed the Slide Rule in the 1920s?
- John Napier
- William Oughtred (correct)
- Vacuum tubes
- Universal Automatic Computer
What were the basic features of first-generation computers?
What were the basic features of first-generation computers?
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Which computer was the first commercially successful machine?
Which computer was the first commercially successful machine?
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Study Notes
Napier's Bone
- Invented by John Napier in 1614 to facilitate calculations.
- Purpose was to perform multiplication and division through a set of rods marked with numbers.
Slide Rule
- Developed by William Oughtred in the 1920s.
- A mathematical tool that uses a sliding scale for multiplication, division, and other mathematical operations.
First-Generation Computers
- Featured vacuum tubes for circuitry and magnetic drums for memory.
- Included large physical sizes, high power consumption, and generated significant heat.
Commercially Successful Machine
- The UNIVAC I was the first commercially successful computer.
- Launched in the early 1950s, it was pivotal in popularizing computer use in business and government.
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