Page 12 - Computer Class 05

Generation/ Data Input Data Output External
Circuitry Language Examples
Period Operation Operation Storage

Punched
Cards as
1st Punched the main Magnetic Machine, UNIVAC,
1940-56 Cards storage tapes Assembly ENIAC,
EDVAC
Medium
Vacuum
Assembly
Tubes

Punched Fortran, IBM 1400
2nd Cards, Punched Magnetic Cobol, &
1956-63 Magnetic Cards tapes Basic, 700 series
Transistors tapes PL/1 IBM 350

Sophisti-
cated
IBM
OS were
3rd Magnetic System-360
Keyboard Monitor used,
1964-71 Disks Apple 1,
Pascal,
Integrated Fortran, Altair
Circuits (IC) Cobol, RPG

Use of
special
Keyboard, Magnetic software for
4th
Mouse, Monitor, Disks maintaining IBM-PC
1972-
present Micro Scanner Printers with higher large database in 1980
RDBMS,
Processors etc. capacity
C++
(VLSC)
in 1985.
Optical fiber Can
technology understand
human
to handle speech, Apple-
5th artificial recognize
Future intelligence. patterns like Macintosh
Capacity to faces and in 1984
With artificial think & other complex
intelligence reason. images.

Computer-5 12 Computer-1