Counting devices

What's the name of the inventor of the Analytical Machine?

• Albert Einstein

• Stephen Hawking

• Charles Babbage

• Konrad Zuse

Blaise Pascal invented the _____________________________.

• Pascaline
• Abacus
• Stepped Reckoner
• Difference Engine

Early People used ______ for counting.

• Fingers

• Stones

• Pebbles

• All of the above

Pascaline was invented in ______ by _________.

• 1642, Blaise Pascal

• 1672, Blaise Pascal

• 1642, Gottfried Wilhelm

• 1642, Charles Babbage

Identify the device

• Abacus

• Tabulating Machine

• Pascaline

• Step Reckoner

IBM stands for ______________

• International Business Machine

• Indian Business Machine

• International Machine

• None

Devices that involve the use of physical force to operate them are called?

• Electronic devices

• Electro-mechanical devices

• Mechanical devices

• Early counting devices

Abacus is mainly used for

• addition and multiplication

• division and subtraction

• addition and subtraction

• division and multiplication

Abacus is mainly used for

• addition and multiplication

• division and subtraction

• addition and subtraction

• division and multiplication

Which of the following devices was invented by Charles Babbage

• Pascaline

• Analytical engine

• Abacus

• Napier’s bone