Evolution of Early Digital Computers Quiz

Who was Johnniac named after?

John von Neumann

What was Johnniac used for?

Scientific and engineering calculations

What was the time-sharing system created for Johnniac called?

JOSS

When was the IBM 650 magnetic drum calculator introduced?

1954 Signup and view all the answers

What did IBM establish the 650 as?

Its first mass-produced computer Signup and view all the answers

How many IBM 650 computers did the company sell in just one year?

450 Signup and view all the answers

What was the purpose of the time-sharing system JOSS?

To allow many users to simultaneously access the machine Signup and view all the answers

How long did Johnniac's lifespan last?

13 years Signup and view all the answers

What type of computer was the IBM 650?

Magnetic drum calculator Signup and view all the answers

What were some of the innovative programs created for Johnniac?

JOSS Signup and view all the answers

Which ancient civilization used counting rods as a form of record keeping?

Babylonia Signup and view all the answers

What was the purpose of the abacus in ancient times?

To perform arithmetic tasks Signup and view all the answers

Who invented the first programmable analog computer?

Ismail al-Jazari Signup and view all the answers

What was the purpose of Napier's bones?

To perform multiplication and division Signup and view all the answers

Who invented the first mechanical calculator?

Blaise Pascal Signup and view all the answers

Who is often credited with inventing the mechanical calculator?

Leibniz Signup and view all the answers

What invention by Leibniz is a central ingredient of all modern computers?

Binary numeral system Signup and view all the answers

What was the first successful, mass-produced mechanical calculator called?

Thomas Arithmometer Signup and view all the answers

What landmark achievement in programmability was made by Joseph Marie Jacquard?

Developing a loom controlled by punched cards Signup and view all the answers

What did Herman Hollerith invent for processing punched cards?

Keypunch machine Signup and view all the answers

Which of the following is true about the early aids to computation?

They were purely mechanical devices Signup and view all the answers

What breakthrough led to the miniaturized personal computer (PC) in the 1970s?

Metal-oxide-semiconductor (MOS) large-scale integration (LSI) Signup and view all the answers

What did the development of transistor technology and integrated circuit chip lead to?

Digital computers Signup and view all the answers

What form of representation increased the precision of results in early computers?

Digital representation Signup and view all the answers

What were the earliest aids to computation based on?

Tally sticks Signup and view all the answers

Which of the following is true about the development of computing hardware?

Computers largely replaced analog computers due to the development of transistor technology. Signup and view all the answers

What breakthrough led to the miniaturized personal computer (PC) in the 1970s?

The invention of the microprocessor. Signup and view all the answers

What was the purpose of the abacus in ancient times?

To aid in elementary arithmetic operations. Signup and view all the answers

What was the earliest counting device?

Tally stick. Signup and view all the answers

What type of representation increased the precision of results in early computers?

Representation in the form of digits. Signup and view all the answers

Which calculating device greatly simplified arithmetic calculations, including multiplication and division, and was a combination of two Gunter rules held together with the hands?

The slide rule Signup and view all the answers

Who invented a calculating machine in 1623 that combined a mechanized form of Napier's rods with the world's first mechanical adding machine?

Wilhelm Schickard Signup and view all the answers

What calculating device did Blaise Pascal invent after three years of effort and 50 prototypes?

Pascal's calculator Signup and view all the answers

Who discovered that the multiplication and division of numbers could be performed by the addition and subtraction, respectively, of the logarithms of those numbers?

John Napier Signup and view all the answers

What type of mechanical calculating device did Guidobaldo del Monte make in 1609 to calculate fractions of a degree?

A mechanical multiplier Signup and view all the answers

Who is often credited with inventing the mechanical calculator?

Pascal Signup and view all the answers

What did Herman Hollerith invent for processing punched cards?

Tabulator and keypunch machine Signup and view all the answers

What was the purpose of the Thomas Arithmometer?

To perform multiplication and division Signup and view all the answers

What was the landmark achievement made by Joseph Marie Jacquard?

Inventing the punched card Signup and view all the answers

What did Leslie Comrie's articles and W. J. Eckert's publication describe?

Advanced punched-card techniques for scientific computation Signup and view all the answers

Evolution of Early Digital Computers Quiz

Questions and Answers

Who was Johnniac named after?

What was Johnniac used for?

What was the time-sharing system created for Johnniac called?

When was the IBM 650 magnetic drum calculator introduced?

What did IBM establish the 650 as?

How many IBM 650 computers did the company sell in just one year?

What was the purpose of the time-sharing system JOSS?

How long did Johnniac's lifespan last?

What type of computer was the IBM 650?

What were some of the innovative programs created for Johnniac?

Which ancient civilization used counting rods as a form of record keeping?

What was the purpose of the abacus in ancient times?

Who invented the first programmable analog computer?

What was the purpose of Napier's bones?

Who invented the first mechanical calculator?

Who is often credited with inventing the mechanical calculator?

What invention by Leibniz is a central ingredient of all modern computers?

What was the first successful, mass-produced mechanical calculator called?

What landmark achievement in programmability was made by Joseph Marie Jacquard?

What did Herman Hollerith invent for processing punched cards?

Which of the following is true about the early aids to computation?

What breakthrough led to the miniaturized personal computer (PC) in the 1970s?

What did the development of transistor technology and integrated circuit chip lead to?

What form of representation increased the precision of results in early computers?

What were the earliest aids to computation based on?

Which of the following is true about the development of computing hardware?

What breakthrough led to the miniaturized personal computer (PC) in the 1970s?

What was the purpose of the abacus in ancient times?

What was the earliest counting device?

What type of representation increased the precision of results in early computers?

Which calculating device greatly simplified arithmetic calculations, including multiplication and division, and was a combination of two Gunter rules held together with the hands?

Who invented a calculating machine in 1623 that combined a mechanized form of Napier's rods with the world's first mechanical adding machine?

What calculating device did Blaise Pascal invent after three years of effort and 50 prototypes?

Who discovered that the multiplication and division of numbers could be performed by the addition and subtraction, respectively, of the logarithms of those numbers?

What type of mechanical calculating device did Guidobaldo del Monte make in 1609 to calculate fractions of a degree?

Who is often credited with inventing the mechanical calculator?

What did Herman Hollerith invent for processing punched cards?

What was the purpose of the Thomas Arithmometer?

What was the landmark achievement made by Joseph Marie Jacquard?

What did Leslie Comrie's articles and W. J. Eckert's publication describe?