this ppt is on 3rd generation computers

1. MOHIT DAGA
ROLL NO. 26
BCA (1)–EVE.
IITM

4. .

5. 1. First
Generation(1946-
1955)
2. Second
Generation(1956-
1963)
3. Third
Generation(1964-
1975)
4. Fourth
Generation(1976-
1985)

7. The period of third
generation was 1964-
1975. Characterized
by the transition from
transistors to the
INTEGRATED
CIRCUIT CHIPS and
from punch card to
ELECTRONIC
COMPUTER
SYSTEM.

8.  Smaller in size then 1st and 2nd generations.
 Increased storage capabilities.
 Multi-programming and volatile.
 Speedy than 1st and 2nd generations.
 Keyboards and monitors were used for the
first time.
 Time sharing.
 High level languages used
 Generate less heat
 AC still needed

10. 1964__1965: IBM360 by IBM Inc was introduced.
1965: PDP-8 was introduced. It was the 1st
computer which successfully made use of IC chips
which were much cheaper and smaller. It only has
4096 words of memory.
1966: HP-2115 with this invention HEWLETT
PACKARD entered in the computer business.

11. 1969:UNIX introduced multi-user
operating system which was able to
perform multi tasks.
1970:GUI(pronounced as GOOEY)
designed by XEROX corporation. POINT
and CLICK, and IMAGE icons idea was
introduced.