Evolution of the computer

Second generation computers used

• Vacuum tubes

• Microprocessors

• Transistors

• Integrated circuits

This was the first programmable, electronic, general-purpose digital computer.

• Difference engine

• Pascaline

• ENIAC

• EDVAC

First calculating device

• Abacus

• Napier's bones

• Pascaline

• Difference engine

Who built the Difference engine?

• a. Herman Hollerith

• b. Blaise Pascal

• c. Charles Babbage

• d. Howard Aiken

..................are used in homes, schools, shops, offices, banks etc.

• MICRO COMPUTERS

• MINI COMPUTERS

• MAIN FRAME COMPUTERS

Which computers are used for weather forecast?

• a. Mainframe Computer

• b. Micro computers

• c. Mini Computer

• d. Super Computer

Abacus was the first calculating device.

• TRUE

• FALSE

The circuit used in 1st generation of computers.

• Transistors

• Integrated Circuit

• Vacuum tubes

• Microprocessors

The Analytical Engine was invented by

• Bill Gates

• Reynold

• Augusta Ada Lovelace

• Charles Babbage

Which of the following statements is true for Fourth Generation Computers?

• They are very slow, expensive, and large in size.

• They rely on magnetic tape.

• They are portable, reliable, and cheapest among all other generations of computers.

• They are still in development.