Fourth Generation

stingymilitaryElectronics - Devices

Nov 27, 2013 (3 years and 10 months ago)

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FOURTH GENERATION

WHAT IS THE FOURTH GENERATION?


A type of general
-
purpose computer that
originated in the 70’s and that is characterized
by increasingly advanced large
-
scale integrated
circuits and increasing use of hierarchy of
memory devices.



OUR WORDS


A fourth generation computer is basically what
we know of as the modern computer

THE BEGINNING


Very Large Scale (VLSI)




Ultra Large Scale (ULSI)

IBM


IBM PC 5150



2 million users in 1981 5.5 million in 1982



Ten years later 65 million in use

LOCAL NETWORKING


LAN




WAN

APPLE


Apple 1


´
Apple 2



Apple 3



Lisa

IMPACT OF FOURTH GENERATION


Started PC craze


Led to Local networking


Led to Internet


Led to portable computers


Started modern technology boom

SOURCES


http
://knol.google.com/k/saurabh
-
http://campus.udayton.edu/~hume/Computer
s/fourth.htmabhyankar/vlsi
-
technology
-
very
-
large
-
scale/