Computing Devices 1 - 19th Century

•It consisted of a rectangular box with eight movable wheels.

•It was capable of performing addition and subtraction.

• ABACUS

• Napier Bones

• Pascaline calculator

• Leibniz calculator

Use the John Napier’s bones below to multiply 678 by 5.

•    3490

•    4171

• 3390

• 3690

What was the first calculator?

• ABACUS

• Napier Bones

• Pascaline calculator

• Leibniz calculator

Where and when was the abacus invented?

• in Egypt around 5000 BCE
• in Europe around 250 BCE
• in Mesopotamia around 2500 BCE
• in Africa around 500 BCE

Which of the following computing devices did not exist in the pre-computing age to the 19th century?

• Napier's bone

• Abacus

• ENIAC

• Slide Rule

The gear-based calculating device, built by Gottfried Leibniz in 1694, was known as ___

• the step reckoner
• the astrolabe
• the slide rule
• the difference engine

Militaries were among the first to apply computing to complex problems, such as ___

• determining quantities of explosives
• calculating range tables
• modelling cannon shapes
• performing combustion analysis

The computing devices invented by Charles Babbage are?

• Difference Engine and Abacus

• Analytical Engine and Slide Rule

• Abacus and Slide Rule

• Analytical and Difference Engines

In 1822, Charles Babbage proposed a mechanical device called ___

• the step reckoner
• the difference reckoner
• the difference engine
• the step engine

Herman Hollerith's “electro-mechanical” tabulating machine was used during the census of ___

• 1860
• 1890
• 1960
• 1990