History of Computers
Charles Babbage
Father of Computers.
Herman Hollerith
Father of IBM.
ENIAC
Machine developed by Mauchly and Eckert that was the first true electronic digital computer.
Tabulating Machine
Machine that used punched card of 80 columns and 12 rows and was standardized by Herman Hollerith.
Jacquard Weaving Loom
Machine that used punched cards to create designs in the textile industry.
Integrated Circuit
Third Generation technology characteristic that replaced transistors.
IC
Third Generation technology characteristic.
Magnetic Disk
Third Generation-storage outside computer.
Ada
Programming language of late 1970s.
COBOL
Second Generation language used for business applications.
FORTRAN
Second Generation language used for scientific applications.
Transistors
Second Generation technology characteristic.
Magnetic Core
Second Generation-storage inside computer.
Magnetic Tape
Second Generation-storage outside computer.
PC
Computer developed in Fourth Generation.
Vacuum Tubes
First Generation technology characteristic.
Magnetic Drum
First Generation-storage inside computer.
Punched Card
First Generation-storage outside computer.
UNIVAC
First business computer.
Ada Byron Lovelace
First computer programmer.
Tabulating Machine
First electromechanical counting machine that led to the formation of the Tabulating Machine Company.
La Pascaline
First gear-driven, mechanical adding machine that could add and subtract.
Stepped Reckoner
First mechanical calculator.
LSI/VLSI
Fourth Generation technology characteristic that contained transistors on a single chip.
Difference Engine
Invented by Babbage as a gear-driven machine powered by steam.
Abacus
Invented by Egyptians.
Stepped Reckoner
Invented by Leibniz to add, subtract, multiply and divide.
Slide Rule
Invented by Oughtred to calculate arithmetic with both decimal and whole numbers.
MARK I
Machine developed by Howard Aiken that was partly electronic and partly mechanical.
EDVAC
Machine developed by John von Neumann that was the first stored-program computer.
UNIVAC
Used to predict the 1951 Presidential election.
Ada Byron Lovelace
Worked with Babbage's machines and had programming language named after her.
