Evolution of computer

First mechanical calculator

• Difference engine

• Pascaline

• ENIAC

• EDVAC

Second generation computers used

• Vacuum tubes

• Microprocessors

• Transistors

• Integrated circuits

First electronic computer used stored programs

• EDSAC

• EDVAC

• UNIVAC I

• Mark I

Used ICs

• First generation computers

• Second generation computers

• Third generation computers

• Fourth generation computers

First super computer made in India

• CRAY CS300

• PARAM 8000

• IBM 1401

• RCA 501

First calculating device

• Abacus

• Napier's bones

• Pascaline

• Difference engine

What is the

inventor's name of Napier's Bone?

• Blaise Pascal

• David Napier

• John Napier

Who is considered as First Programmer?

• Lady Eva Byron

• Augusta Ada Lovelace

• Lady Ada Smith

• First Lady

This invention replaced vacuum tubes and made computers much smaller and faster. However, it was eventually replaced by another invention.

• RAM

• ENIAC

• Tranformer

• Transistor

Which was the first commercial successful portable micro computer?

• UNIVAC

• OSBORNE 1

• EDVAC

• Harvard I