What ancient device was used for basic arithmetic calculations?

• Ruler

• Slide Rule

• Abacus

• Calculator

Who invented the abacus and around what year?

• Sumerians around 3000 BC

• Chinese around 1000 AD

• Greeks around 500 BC

• Egyptians around 2500 BC

Which century saw the creation of mechanical calculators?

• 16th century

• 18th century

• 17th century

• 19th century

Name one inventor associated with mechanical calculators in the 17th century.

• Thomas Edison

• Isaac Newton

• Blaise Pascal

• Galileo Galilei

What type of operations could Blaise Pascal's mechanical calculator perform?

• Only multiplication and division.

• Only addition and subtraction.

• Only basic arithmetic operations.

• Addition, subtraction, multiplication, and division.

What was the name of Charles Babbage's mechanical computer?

• Analytical Calculator

• Digital Engine

• Mechanical Brain

• Analytical Engine

In which century did Charles Babbage design the Analytical Engine?

• 18th century

• 20th century

• 19th century

• 17th century

What key feature did the Analytical Engine include for computation?

• A calculator for basic arithmetic.

• The store for memory storage.

• A graphical user interface for interaction.

• A printer for outputting results.

What does the term 'conditional branching' refer to in computing?

• A technique for data encryption

• A method for optimizing code performance

• The term 'conditional branching' refers to altering the execution flow of a program based on specific conditions.

• A way to store variables in memory

How did the development of computers evolve over time?

• Computers were always digital from the beginning.

• The development of computers evolved from mechanical devices to modern personal and mobile computing.

• The evolution of computers was solely based on software advancements.

• Computers have not changed significantly since their invention.