GENERATIONS OF COMPUTERS

• 1. FIRST GENARATION ( 1943 - 1956)

 (1943) ENIAC (Electronic Number Integrator and   Calculator)

 (1945)EDVAC (Electronic Discrete Variable   Automatic Computer )

 (1947)  SSEC (Selective Sequence Electronic   Calculator)

 (1955-56)  IMB 702-704

• 2. SECOND GENARATION ( 1957 - 1964)

( 1957 ) TRADIC ( Transistorized Digital Computer )

( 1958 ) NCR 304 ( National Cash Register Computer )

( 1960 ) IMB 1401

(1961 ) TRANSAC   S-2000

(1963 ) CDC  CD-1406

(1964 )  CDC  CD-6600

• 3. THIRD GENARATION ( 1965 - 1971)

( 1964 )  IBM  360 Series.

( 1966 )  GE 600 Series.

( 1968 )  UNIVAC  1108.

( 1969 )  DEC Series.

( 1970 )  IBM  370 Series.

• 4. FOURTH GENARATION ( 1972 - 1989 )
  
  ( 1972 ) Intel 404 Chip.
  ( 1973 ) Intel 8008 &  8080 Chip.
  ( 1974 ) Intel 8085 & 8088 Chip.
  ( 1976 )  SC-Cray-1
  ( 1982 ) Cyber - 205
  (1988 ) IBM - 370/168