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Questions and Answers
Who was Johnniac named after?
Who was Johnniac named after?
What was Johnniac used for?
What was Johnniac used for?
What was the time-sharing system created for Johnniac called?
What was the time-sharing system created for Johnniac called?
When was the IBM 650 magnetic drum calculator introduced?
When was the IBM 650 magnetic drum calculator introduced?
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What did IBM establish the 650 as?
What did IBM establish the 650 as?
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How many IBM 650 computers did the company sell in just one year?
How many IBM 650 computers did the company sell in just one year?
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What was the purpose of the time-sharing system JOSS?
What was the purpose of the time-sharing system JOSS?
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How long did Johnniac's lifespan last?
How long did Johnniac's lifespan last?
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What type of computer was the IBM 650?
What type of computer was the IBM 650?
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What were some of the innovative programs created for Johnniac?
What were some of the innovative programs created for Johnniac?
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Which ancient civilization used counting rods as a form of record keeping?
Which ancient civilization used counting rods as a form of record keeping?
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What was the purpose of the abacus in ancient times?
What was the purpose of the abacus in ancient times?
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Who invented the first programmable analog computer?
Who invented the first programmable analog computer?
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What was the purpose of Napier's bones?
What was the purpose of Napier's bones?
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Who invented the first mechanical calculator?
Who invented the first mechanical calculator?
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Who is often credited with inventing the mechanical calculator?
Who is often credited with inventing the mechanical calculator?
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What invention by Leibniz is a central ingredient of all modern computers?
What invention by Leibniz is a central ingredient of all modern computers?
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What was the first successful, mass-produced mechanical calculator called?
What was the first successful, mass-produced mechanical calculator called?
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What landmark achievement in programmability was made by Joseph Marie Jacquard?
What landmark achievement in programmability was made by Joseph Marie Jacquard?
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What did Herman Hollerith invent for processing punched cards?
What did Herman Hollerith invent for processing punched cards?
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Which of the following is true about the early aids to computation?
Which of the following is true about the early aids to computation?
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What breakthrough led to the miniaturized personal computer (PC) in the 1970s?
What breakthrough led to the miniaturized personal computer (PC) in the 1970s?
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What did the development of transistor technology and integrated circuit chip lead to?
What did the development of transistor technology and integrated circuit chip lead to?
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What form of representation increased the precision of results in early computers?
What form of representation increased the precision of results in early computers?
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What were the earliest aids to computation based on?
What were the earliest aids to computation based on?
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Which of the following is true about the development of computing hardware?
Which of the following is true about the development of computing hardware?
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What breakthrough led to the miniaturized personal computer (PC) in the 1970s?
What breakthrough led to the miniaturized personal computer (PC) in the 1970s?
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What was the purpose of the abacus in ancient times?
What was the purpose of the abacus in ancient times?
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What was the earliest counting device?
What was the earliest counting device?
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What type of representation increased the precision of results in early computers?
What type of representation increased the precision of results in early computers?
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Which calculating device greatly simplified arithmetic calculations, including multiplication and division, and was a combination of two Gunter rules held together with the hands?
Which calculating device greatly simplified arithmetic calculations, including multiplication and division, and was a combination of two Gunter rules held together with the hands?
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Who invented a calculating machine in 1623 that combined a mechanized form of Napier's rods with the world's first mechanical adding machine?
Who invented a calculating machine in 1623 that combined a mechanized form of Napier's rods with the world's first mechanical adding machine?
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What calculating device did Blaise Pascal invent after three years of effort and 50 prototypes?
What calculating device did Blaise Pascal invent after three years of effort and 50 prototypes?
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Who discovered that the multiplication and division of numbers could be performed by the addition and subtraction, respectively, of the logarithms of those numbers?
Who discovered that the multiplication and division of numbers could be performed by the addition and subtraction, respectively, of the logarithms of those numbers?
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What type of mechanical calculating device did Guidobaldo del Monte make in 1609 to calculate fractions of a degree?
What type of mechanical calculating device did Guidobaldo del Monte make in 1609 to calculate fractions of a degree?
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Who is often credited with inventing the mechanical calculator?
Who is often credited with inventing the mechanical calculator?
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What did Herman Hollerith invent for processing punched cards?
What did Herman Hollerith invent for processing punched cards?
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What was the purpose of the Thomas Arithmometer?
What was the purpose of the Thomas Arithmometer?
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What was the landmark achievement made by Joseph Marie Jacquard?
What was the landmark achievement made by Joseph Marie Jacquard?
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What did Leslie Comrie's articles and W. J. Eckert's publication describe?
What did Leslie Comrie's articles and W. J. Eckert's publication describe?
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