History of Computers

Which country used abacus first?

• India

• China

• UK

• South Korea

In Japan, Soroban-Pan means

• Computers

• Mobile Phones

• Abacus

• None of above

Abacus is used for

• Drawing

• Performing Calculations

• All of these

• None of these

Pascaline was invented in

• 1644

• 1643

• 1642

• 1650

Napier Bones is a device that helps in

• Drawing

• Writing

• Calculating

• All of these

Napier Bones is a device invented by

• John Napier

• Charles Babbage

• Steve Jobs

• None of the above

Difference Engine is a device invented by

• Steve Jobs

• John Napier

• Charles Babbage

• None of the above

Difference Engine is a device invented in

• 1820

• 1821

• 1822

• 1830

Who is known as the father of computer?

• Charles Babbage

• Chales Babbage

• Chalres Babbage

• Charles Babage

GUI stands for

• Graphical User Interface

• Graphical Unix Integrator

• Graphical Unix Interface

• None of these