COMPREHENSIVE COMPUTER LEARNING: A YOUNGSTERS' GUIDE
ENIAC (ELECTRONIC NUMERICAL INTEGRATOR AND COMPUTER) WAS THE FIRST GENERAL PURPOSE ELECTRONIC COMPUTER ENIAC WAS DESIGNED BY JOHN MAUCHLY AND J PRESPER ECKERT OF THE UNIVERSITY OF PENNSYLVANIA IT WAS DEVELOPED TO SERVE MILITARY NEEDS IN SOLVING BALLISTIC PROBLEMS 1 9 4 6 EDVAC (ELECTRONIC DISCRETE VARIABLE AUTOMATIC COMPUTER) WAS DEVELOPED BY A HUNGARIAN-AMERICAN COMPUTER SCIENTIST, JOHN VON NEUMANN IT WAS THE FIRST MACHINE TO USE PROGRAMS COMPLETELY STORED IN MEMORY AND CHANGES WERE ABLE TO BE MADE WITHOUT PHYSICALLY CHANGING THE HARDWARE IT WAS A BINARY SERIAL COMPUTER WITH AUTOMATIC ADDITION, SUBTRACTION, MULTIPLICATION, PROGRAMMED DIVISION AND AUTOMATIC CHECKING 1 9 4 7 EDSAC (ELECTRONIC DELAY STORAGE AUTOMATIC CALCULATOR) WAS DEVELOPED BY A GROUP OF SCIENTISTS, HEADED BY PROFESSOR MAURICE WILKES, AT THE CAMBRIDGE UNIVERSITY DURING THE SAME TIME WHEN THE ‘EDVAC’ CAME INTO USE IN THIS COMPUTER, THE ADDITION OPERATION WAS ACHIEVED IN 1500 MICROSECONDS, AND THE MULTIPLICATION OPERATION IN 4000 MICROSECONDS UNIVAC I (UNIVERSAL AUTOMATIC COMPUTER I) WAS THE FIRST DIGITAL COMPUTER PRODUCED IN THE UNITED STATES, DESIGNED PRINCIPALLY BY J PRESPER ECKERT AND JOHN MAUCHLY, THE INVENTORS OF THE ENIAC IT BECAME A HIT WITH THE PUBLIC AFTER IT WAS USED TO PREDICT THE OUTCOME OF THE 1952 PRESIDENTIAL ELECTION IBM CORPORATION INTRODUCED THE 701 COMMERCIAL COMPUTERS IN ALMOST NO TIME, IMPROVED MODELS OF THE ‘UNIVAC-I’ AND OTHER 700-SERIES MACHINES WERE INTRODUCED CHARLES BABBAGE IC (INTEGRATED CIRCUITS) SEMI CONDUCTOR MEMORY USED AS PRIMARY STORAGE MAGNETIC DISCS WERE USED AS SECONDARY STORAGE MASSIVE USE OF HIGH LEVEL LANGUAGE PROCESSING SPEED INCREASED TO NANOSECOND AND EVEN FASTER IBM VLSI OR MICROPROCESSOR MASSIVE USE OF MAGNETIC AND OPTICAL STORAGE DEVICES WITH CAPACITY MORE THAN 100 GB ADVANCEMENT IN SOFTWARE AND HIGH LEVEL LANGUAGE USE OF 4TH GENERATION LANGUAGE (4GL) IBM PC, PENTIUM PC, APPLE/ MACINTOSH, ETC