History of computers

First mechanical device used for calculation

• Calculators

• Napier's bones

• Abacus

• Difference engine

Abacus was invented by Mesopotamians in

• 5000 BCE

• 3000 BCE

• 1000 BCE

• 500 BCE

What is the full form of Abacus

Who in vented Napier bones

• Charles Napier

• John Napier

• Oliva Napier

• Christano Napier

Name the operations performed on Napier Bones

• Addition

• addition and Subtraction

• Multiplication and division

• The four operations

Who invented Differential Engine

• Charles Babage

• Joseph Marie Jacquard

• Gottfried Wilhelm

• Blaise Pascal

Charles Babbage invented Analytical Engine which was the basis of modern computers

• True

• False

Which operating system is considered as the begining of the era of the mordern computers

• Mark 1

• Mark 2

• Mark 0.1

• Mark 2.0

Which was the first smartphone

• Apple 6

• Realmi 2 pro

• IBM Simon

• Samsung A1

IBM Simon had features like

• A calendar, address book, world clock

• Calculator, note pad, e-mail client

• The ability to send and receive faxes and games.

• All of these