COMPUTERS: It’s Journey Through the Years
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COMPUTERS:
It’s JourneyThrough the
Years
How does the computer came
up?
CALCULATE: derived from the Latin “calculate”, taken from
the latin “calculus”, which means a small stone or
pebble.
THE DISTANT
PAST
ABACUS: came from the latin word
“abax or abakon”, meaning table or tablet.Historian refers this as
“counting board”
MODERN ABACUS
THE 1600’s
1642BLAISE PASCAL:
-designs the first functioning mechanical calculator, which can perform the work of six accountants.
MECHANICAL CALCULATOR
1694GOTTFRIED
LEIBNIZ:-builds a
calculating machine, that uses binary representations of numbers.
CALCULATING MACHINE
THE 1800’s
1832CHARLES BABBAGE:
-designs the first computer.
DIFFERENCE ENGINE
1854GEORGE BOOLE:
-publishes his thoughts on symbolic logic; which decades later will form the basis of computer science applications.
SYMBOLIC LOGIC OF BOOLE
1890HERMAN HOLLERITH:
-designs the punch-card tabulation machine.
PUNCH-CARD TABULATION MACHINE
1896HERMAN HOLLERITH:
-founds the Tabulating Machine Company, one of the three companies that will later merge and become known as IBM.
1897KARL BRAUN:
-develops the Cathode-ray tube.
CATHODE-RAY TUBE
THE 1900’s
1937JOHN ATANASOFF:
-work on the first electronic digital computer.
-the ENIAC
ATANASOFF - BERRY COMPUTER
ENIAC
1937GEORGES STIBITZ:
-develops the first binary circuit at Bell Labs.
BINARY CIRCUIT
1938WILLIAM HEWLETT
and DAVID PACKARD:
-form HP in a garage in Palo Alto, California.
WILLIAM HEWLETT
WILLIAM HEWLETT
Garage (FRONT) HP Outside
HP at Garage HP
1938KONRAD ZUSE:
-produces the First Computer that uses binary code.
Zuse First Computer that uses Binary Code
1951MAUCHLY and
JOHN ECKERT:-build the UNIVAC
1, the first commercial electronic computer, which is installed at the U.S. Census Bureau.
JOHN MAUCHLY
J. PRESPER ECKERT
Mauchly leaning over UNIVAC
consoleUNIVAC 1
1953IBM:
-manufactures its Model 650, the first mass-produced computer.
MODEL 650
1970FLOPPY
DESK:-is
introduced.
1970INTEL:
-develops the first memory chip,which stores 1024 bits of data.
1975ALTAIR
8800:-the first
widely marketed personal computer, debuts.
1975BOB METCALFE:
-develops ETHERNET.
ETHERNET
1977BILL GATES and
PAUL ALLEN:-officially found
MICROSOFT.
BILL GATES PAUL ALLEN
1977APPLE:
-introduces APPLE II, the first preassembled personal computer.
1978WORDSTAR:
-is released and quickly becomes the most popular word processing program.
WORDSTAR
1981IBM:
-introduces the IBM PC, with an MS-DOS Operating System.
1984CD-ROM debuts
LaserJet the first laser printer was marketed by Hewlett-Packard.
CD-ROM LaserJet Printer
1984WILLIAM
GIBSON:-coins the term
“CYBERSPACE”.
1985MICROSOFT:
-develops Windows 1.0 for the IBM PC.
1989TIM BERNERS-LEE:
-invents the World Wide Web.
1997DVD PLAYERS:
-become available in the United States.
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