History of Computer

Who is credited with inventing the mechanical machine capable of addition of bigger numbers with good efficiency in 1642?

• Gottfried Wilhelm Leibniz

• Hermann Hollerith

• Blaise Pascal

• Charles Xavier Thomas

Which scientist designed a better model than Blaise Pascal's adding machine that could perform multiplication, division, and square roots of smaller numbers?

• Gottfried Wilhelm Leibniz

• Blaise Pascal

• Hermann Hollerith

• Charles Xavier Thomas

Who developed the first modern equivalent of a computer system known as the Difference Engine in 1822?

• Blaise Pascal

• Hermann Hollerith

• Gottfried Wilhelm Leibniz

• Charles Babbage

What was the first commercially available mechanical calculator produced in 1820?

• Analytical Machine

• ENIAC

• Punched Card

• Difference Engine

Which company produced the first information processing machine known as the Harvard Mark 1 in 1944?

• HP

• Microsoft

• Apple

• IBM

What was the first all-digital electronic computer completed in 1946?

• UNIVAC

• ENIAC

• EDVAC

Which generation of computers used vacuum tubes for logical operations and ring-shaped ferrite cores for memory storage?

• Third Generation

• Second Generation

• First Generation

• Fourth Generation

When did the third generation of computers start with the use of integrated circuits?

• 1991

• 1980

• 1969

• 1950

What was the era of microprocessors in the evolution of computers?

• Second Generation

• Third Generation

• First Generation

• Fourth Generation

Which generation of computers introduced personal computers for use in schools, colleges, and government offices?

• Fourth Generation

• Second Generation

• First Generation

• Third Generation