Presentation On Development Generaions Of Computer. How everything got changed over time A short summary.

1. GENERATION OFGENERATION OF
COMPUTERSCOMPUTERS
Avinash RanjanAvinash Ranjan

2. GENERATION OF COMPUTERS
FIRST GENERATION SECOND GENERATION THIRD GENERATION FOURTH GENERATION FIFTH GENERATION

3. FIRST GENERATION(1940-1956)FIRST GENERATION(1940-1956)
 The first generation computers used vacuumThe first generation computers used vacuum
tubes.tubes.
 It was invented by Lee De Forest.It was invented by Lee De Forest.
 They came into existence in 1940.They came into existence in 1940.
 They were very huge.They were very huge.
 It consumed a lot of electricityIt consumed a lot of electricity

4. VACUUM TUBESVACUUM TUBES

5. SECOND GENERATION(1956-SECOND GENERATION(1956-
1963)1963)
 Transistors were used in secondTransistors were used in second
generation computers.generation computers.
 They were invented by William Shockley.They were invented by William Shockley.
 They came into existence in 1956.They came into existence in 1956.
 The transistor was far superior to vacuumThe transistor was far superior to vacuum
tubes.tubes.
 This helped the computers to becomeThis helped the computers to become
smaller, faster and cheaper.smaller, faster and cheaper.

6. TRANSISTOR

7. THIRD GENERATION(1964-1971)THIRD GENERATION(1964-1971)
 Integrated circuits were used in thirdIntegrated circuits were used in third
generation computers.generation computers.
 They were invented by Jack KilbyThey were invented by Jack Kilby
and Robert Noyce.and Robert Noyce.
 They came into existence in 1964.They came into existence in 1964.
 They were very small in size.They were very small in size.
 Production cost was very cheap.Production cost was very cheap.

8. INTEGRATED CIRCUITS

9. FOURTH GENERATION(1971-
PRESENT)
The microprocessor brought the
fourth generation of computers.
They came into existence in 1971.
They were invented by Ted Hoff.
Power consumption was very less.
Thousands of integrated circuits were
built to form a single chip.

10. MICROPROCESSORS

11. FIFTH GENERATION(PRESENTFIFTH GENERATION(PRESENT
AND BEYOND)AND BEYOND)
 Fifth generation computers are based onFifth generation computers are based on
artificial intelligence.artificial intelligence.
 They are still in development.They are still in development.
 The use of parallel processing andThe use of parallel processing and
superconductors is helping to make artificialsuperconductors is helping to make artificial
intelligence a reality.intelligence a reality.

12. •THANK
YOU
Avinash Ranjan