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1. The Generations of Computer
History
Microsoft office clipart

2. ZEROETH GENERATION
• Man used his fingers, ropes, beads,
bones, pebbles and other objects for
counting.
•Abacus, Pascaline, Difference &
Analytical engines
•Electricity was not yet invented

3. 1st Generation(1937-1953)
vacuum tubes (ENIAC)
•America got its first glimpse of
ENIAC in 1946.
•ENIAC was built by Eckert and
Mauchly.
•ENIAC was announced on February
14th,1946.
•It was first introduced to the Army.

4. Early Electronic Computers and The
Computer Generations
The First Generation (1937 to 1953)
COMPUTER GENERATIONS 4
John Mauchly
Grace
Hopper

5. First Generation Computers
1937-1953
Characterized by vacuum tubes which
burned out very rapidly.
The first generation of computers used
machine language or 0s and 1s.
This generation also used magnetic tape.
COMPUTER GENERATIONS 5

6. 1st Generation (con’t)
In 1949 Wilkes assembled the
EDSAC.
Mark 1 Computer used
Williams memory in 1949.
Forrester installed magnetic
memory in 1953.
The 701 was shipped in 1953.
The EDSAC
www.dcs.warwick.ac.uk/~edsac/

7. Different examples of vacuum tubes
www.enclyl
epedia.com
www.encylepedia.com
www.flickr.com

8. The Second Generation (1954 to 1962)
COMPUTER GENERATIONS 8

9. Second Generation (cont.)
The second generation of computers used
transistors for the internal operations.
They used magnetic core for the memory.
These machines used assembly language.
COMPUTER GENERATIONS 9

10. 2nd Generation (1954-62)
Transistors
IBM’s 7000seris,the first
transistorized computers.
IBM had an 81.2% share
of the computer market.
www.piercefuller.com

11. The Third Generation (1963 to 1972)
COMPUTER GENERATIONS 11

12. Third Generation 1963-1972
These computers used integrated circuits
on silicon chips.
They were characterized with high-level
programming languages which required
logic such as BASIC, Pascal, C, COBOL,
and Fortran
COMPUTER GENERATIONS 12

13. 3rd Generation (1963-72)
Integrated Circuits
Digital Equipment Corp.
introduced the PDP-8.
The PDP-8 was the 1st
commercially successful mini-
computer.
IBM announced the System/360
(S/360) in 1964.
INTEL 4004
INTEL 8008
nobelprize.o
rg/educatio
nal_games/
physics/inte
grated_circu
it/history/in
dex.html

14. Fourth Generation 1972-1984
These computers use microprocessor chips.
Object-Oriented Programming (OOP) Languages
such as Visual Basic, and JAVA are characteristic of
this computer generation.
MS DOS, Ethernet, Inkjet & Laser Printer etc.
COMPUTER GENERATIONS 14

15. 4th Generation(1972-1984)
Microprocessor
Kenbak-1, 1st personal computer.
Ray Tomlinson sent the first e-mail.
ARPANET
Email software (SNDMSG)
IBM invented the 8in. Floppy disk.
IBM PC
MACINTOSH
www.comput
erhistor.com

16. 5th Generation 1984-1990
Natural Language
This language is designed to give people a more human
connection with computers.
Uses multi-media has also defined this generation.
There is a great deal of “bundled software” with this
generation.
COMPUTER GENERATIONS 16

17. 5th Generation
Artificial Intelligence
A.I. is trying to comprehend intelligence.
Alan Turing developed the Turing Test in 1950.
www.essortment.
com

18. Artificial Intelligence
www.goasi.com
www.diseno-art.com
www.engadget.com

19. 6th Generation (1990 -----)
Intelligent Computers
Pentium Processors
iMaC
Apple iMaC Pedestial Computes
Power Mac G5

20. Features
WWW
HTML
HTTP
Web TV
DVD
iPoD
YouTube